Adding upstream version 4.19.249.upstream/4.19.249upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1571 insertions, 0 deletions

diff --git a/drivers/iio/accel/kxcjk-1013.c b/drivers/iio/accel/kxcjk-1013.c
new file mode 100644
index 000000000..52947561e
--- /dev/null
+++ b/drivers/iio/accel/kxcjk-1013.c
@@ -0,0 +1,1571 @@
+/*
+ * KXCJK-1013 3-axis accelerometer driver
+ * Copyright (c) 2014, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ */
+
+#include <linux/module.h>
+#include <linux/i2c.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include <linux/bitops.h>
+#include <linux/slab.h>
+#include <linux/string.h>
+#include <linux/acpi.h>
+#include <linux/pm.h>
+#include <linux/pm_runtime.h>
+#include <linux/iio/iio.h>
+#include <linux/iio/sysfs.h>
+#include <linux/iio/buffer.h>
+#include <linux/iio/trigger.h>
+#include <linux/iio/events.h>
+#include <linux/iio/trigger_consumer.h>
+#include <linux/iio/triggered_buffer.h>
+#include <linux/iio/accel/kxcjk_1013.h>
+
+#define KXCJK1013_DRV_NAME "kxcjk1013"
+#define KXCJK1013_IRQ_NAME "kxcjk1013_event"
+
+#define KXTF9_REG_HP_XOUT_L		0x00
+#define KXTF9_REG_HP_XOUT_H		0x01
+#define KXTF9_REG_HP_YOUT_L		0x02
+#define KXTF9_REG_HP_YOUT_H		0x03
+#define KXTF9_REG_HP_ZOUT_L		0x04
+#define KXTF9_REG_HP_ZOUT_H		0x05
+
+#define KXCJK1013_REG_XOUT_L		0x06
+/*
+ * From low byte X axis register, all the other addresses of Y and Z can be
+ * obtained by just applying axis offset. The following axis defines are just
+ * provide clarity, but not used.
+ */
+#define KXCJK1013_REG_XOUT_H		0x07
+#define KXCJK1013_REG_YOUT_L		0x08
+#define KXCJK1013_REG_YOUT_H		0x09
+#define KXCJK1013_REG_ZOUT_L		0x0A
+#define KXCJK1013_REG_ZOUT_H		0x0B
+
+#define KXCJK1013_REG_DCST_RESP		0x0C
+#define KXCJK1013_REG_WHO_AM_I		0x0F
+#define KXTF9_REG_TILT_POS_CUR		0x10
+#define KXTF9_REG_TILT_POS_PREV		0x11
+#define KXTF9_REG_INT_SRC1		0x15
+#define KXCJK1013_REG_INT_SRC1		0x16	/* compatible, but called INT_SRC2 in KXTF9 ds */
+#define KXCJK1013_REG_INT_SRC2		0x17
+#define KXCJK1013_REG_STATUS_REG	0x18
+#define KXCJK1013_REG_INT_REL		0x1A
+#define KXCJK1013_REG_CTRL1		0x1B
+#define KXTF9_REG_CTRL2			0x1C
+#define KXCJK1013_REG_CTRL2		0x1D	/* mostly compatible, CTRL_REG3 in KTXF9 ds */
+#define KXCJK1013_REG_INT_CTRL1		0x1E
+#define KXCJK1013_REG_INT_CTRL2		0x1F
+#define KXTF9_REG_INT_CTRL3		0x20
+#define KXCJK1013_REG_DATA_CTRL		0x21
+#define KXTF9_REG_TILT_TIMER		0x28
+#define KXCJK1013_REG_WAKE_TIMER	0x29
+#define KXTF9_REG_TDT_TIMER		0x2B
+#define KXTF9_REG_TDT_THRESH_H		0x2C
+#define KXTF9_REG_TDT_THRESH_L		0x2D
+#define KXTF9_REG_TDT_TAP_TIMER		0x2E
+#define KXTF9_REG_TDT_TOTAL_TIMER	0x2F
+#define KXTF9_REG_TDT_LATENCY_TIMER	0x30
+#define KXTF9_REG_TDT_WINDOW_TIMER	0x31
+#define KXCJK1013_REG_SELF_TEST		0x3A
+#define KXTF9_REG_WAKE_THRESH		0x5A
+#define KXTF9_REG_TILT_ANGLE		0x5C
+#define KXTF9_REG_HYST_SET		0x5F
+#define KXCJK1013_REG_WAKE_THRES	0x6A
+
+#define KXCJK1013_REG_CTRL1_BIT_PC1	BIT(7)
+#define KXCJK1013_REG_CTRL1_BIT_RES	BIT(6)
+#define KXCJK1013_REG_CTRL1_BIT_DRDY	BIT(5)
+#define KXCJK1013_REG_CTRL1_BIT_GSEL1	BIT(4)
+#define KXCJK1013_REG_CTRL1_BIT_GSEL0	BIT(3)
+#define KXCJK1013_REG_CTRL1_BIT_WUFE	BIT(1)
+
+#define KXCJK1013_REG_INT_CTRL1_BIT_IEU	BIT(2)	/* KXTF9 */
+#define KXCJK1013_REG_INT_CTRL1_BIT_IEL	BIT(3)
+#define KXCJK1013_REG_INT_CTRL1_BIT_IEA	BIT(4)
+#define KXCJK1013_REG_INT_CTRL1_BIT_IEN	BIT(5)
+
+#define KXTF9_REG_TILT_BIT_LEFT_EDGE	BIT(5)
+#define KXTF9_REG_TILT_BIT_RIGHT_EDGE	BIT(4)
+#define KXTF9_REG_TILT_BIT_LOWER_EDGE	BIT(3)
+#define KXTF9_REG_TILT_BIT_UPPER_EDGE	BIT(2)
+#define KXTF9_REG_TILT_BIT_FACE_DOWN	BIT(1)
+#define KXTF9_REG_TILT_BIT_FACE_UP	BIT(0)
+
+#define KXCJK1013_DATA_MASK_12_BIT	0x0FFF
+#define KXCJK1013_MAX_STARTUP_TIME_US	100000
+
+#define KXCJK1013_SLEEP_DELAY_MS	2000
+
+#define KXCJK1013_REG_INT_SRC1_BIT_TPS	BIT(0)	/* KXTF9 */
+#define KXCJK1013_REG_INT_SRC1_BIT_WUFS	BIT(1)
+#define KXCJK1013_REG_INT_SRC1_MASK_TDTS	(BIT(2) | BIT(3))	/* KXTF9 */
+#define KXCJK1013_REG_INT_SRC1_TAP_NONE		0
+#define KXCJK1013_REG_INT_SRC1_TAP_SINGLE		BIT(2)
+#define KXCJK1013_REG_INT_SRC1_TAP_DOUBLE		BIT(3)
+#define KXCJK1013_REG_INT_SRC1_BIT_DRDY	BIT(4)
+
+/* KXCJK: INT_SOURCE2: motion detect, KXTF9: INT_SRC_REG1: tap detect */
+#define KXCJK1013_REG_INT_SRC2_BIT_ZP	BIT(0)
+#define KXCJK1013_REG_INT_SRC2_BIT_ZN	BIT(1)
+#define KXCJK1013_REG_INT_SRC2_BIT_YP	BIT(2)
+#define KXCJK1013_REG_INT_SRC2_BIT_YN	BIT(3)
+#define KXCJK1013_REG_INT_SRC2_BIT_XP	BIT(4)
+#define KXCJK1013_REG_INT_SRC2_BIT_XN	BIT(5)
+
+#define KXCJK1013_DEFAULT_WAKE_THRES	1
+
+enum kx_chipset {
+	KXCJK1013,
+	KXCJ91008,
+	KXTJ21009,
+	KXTF9,
+	KX_MAX_CHIPS /* this must be last */
+};
+
+enum kx_acpi_type {
+	ACPI_GENERIC,
+	ACPI_SMO8500,
+	ACPI_KIOX010A,
+};
+
+enum kxcjk1013_axis {
+	AXIS_X,
+	AXIS_Y,
+	AXIS_Z,
+	AXIS_MAX
+};
+
+struct kxcjk1013_data {
+	struct i2c_client *client;
+	struct iio_trigger *dready_trig;
+	struct iio_trigger *motion_trig;
+	struct mutex mutex;
+	/* Ensure timestamp naturally aligned */
+	struct {
+		s16 chans[AXIS_MAX];
+		s64 timestamp __aligned(8);
+	} scan;
+	u8 odr_bits;
+	u8 range;
+	int wake_thres;
+	int wake_dur;
+	bool active_high_intr;
+	bool dready_trigger_on;
+	int ev_enable_state;
+	bool motion_trigger_on;
+	int64_t timestamp;
+	enum kx_chipset chipset;
+	enum kx_acpi_type acpi_type;
+};
+
+enum kxcjk1013_mode {
+	STANDBY,
+	OPERATION,
+};
+
+enum kxcjk1013_range {
+	KXCJK1013_RANGE_2G,
+	KXCJK1013_RANGE_4G,
+	KXCJK1013_RANGE_8G,
+};
+
+struct kx_odr_map {
+	int val;
+	int val2;
+	int odr_bits;
+	int wuf_bits;
+};
+
+static const struct kx_odr_map samp_freq_table[] = {
+	{ 0, 781000, 0x08, 0x00 },
+	{ 1, 563000, 0x09, 0x01 },
+	{ 3, 125000, 0x0A, 0x02 },
+	{ 6, 250000, 0x0B, 0x03 },
+	{ 12, 500000, 0x00, 0x04 },
+	{ 25, 0, 0x01, 0x05 },
+	{ 50, 0, 0x02, 0x06 },
+	{ 100, 0, 0x03, 0x06 },
+	{ 200, 0, 0x04, 0x06 },
+	{ 400, 0, 0x05, 0x06 },
+	{ 800, 0, 0x06, 0x06 },
+	{ 1600, 0, 0x07, 0x06 },
+};
+
+static const char *const kxcjk1013_samp_freq_avail =
+	"0.781000 1.563000 3.125000 6.250000 12.500000 25 50 100 200 400 800 1600";
+
+static const struct kx_odr_map kxtf9_samp_freq_table[] = {
+	{ 25, 0, 0x01, 0x00 },
+	{ 50, 0, 0x02, 0x01 },
+	{ 100, 0, 0x03, 0x01 },
+	{ 200, 0, 0x04, 0x01 },
+	{ 400, 0, 0x05, 0x01 },
+	{ 800, 0, 0x06, 0x01 },
+};
+
+static const char *const kxtf9_samp_freq_avail =
+	"25 50 100 200 400 800";
+
+/* Refer to section 4 of the specification */
+static const struct {
+	int odr_bits;
+	int usec;
+} odr_start_up_times[KX_MAX_CHIPS][12] = {
+	/* KXCJK-1013 */
+	{
+		{0x08, 100000},
+		{0x09, 100000},
+		{0x0A, 100000},
+		{0x0B, 100000},
+		{0, 80000},
+		{0x01, 41000},
+		{0x02, 21000},
+		{0x03, 11000},
+		{0x04, 6400},
+		{0x05, 3900},
+		{0x06, 2700},
+		{0x07, 2100},
+	},
+	/* KXCJ9-1008 */
+	{
+		{0x08, 100000},
+		{0x09, 100000},
+		{0x0A, 100000},
+		{0x0B, 100000},
+		{0, 80000},
+		{0x01, 41000},
+		{0x02, 21000},
+		{0x03, 11000},
+		{0x04, 6400},
+		{0x05, 3900},
+		{0x06, 2700},
+		{0x07, 2100},
+	},
+	/* KXCTJ2-1009 */
+	{
+		{0x08, 1240000},
+		{0x09, 621000},
+		{0x0A, 309000},
+		{0x0B, 151000},
+		{0, 80000},
+		{0x01, 41000},
+		{0x02, 21000},
+		{0x03, 11000},
+		{0x04, 6000},
+		{0x05, 4000},
+		{0x06, 3000},
+		{0x07, 2000},
+	},
+	/* KXTF9 */
+	{
+		{0x01, 81000},
+		{0x02, 41000},
+		{0x03, 21000},
+		{0x04, 11000},
+		{0x05, 5100},
+		{0x06, 2700},
+	},
+};
+
+static const struct {
+	u16 scale;
+	u8 gsel_0;
+	u8 gsel_1;
+} KXCJK1013_scale_table[] = { {9582, 0, 0},
+			      {19163, 1, 0},
+			      {38326, 0, 1} };
+
+#ifdef CONFIG_ACPI
+enum kiox010a_fn_index {
+	KIOX010A_SET_LAPTOP_MODE = 1,
+	KIOX010A_SET_TABLET_MODE = 2,
+};
+
+static int kiox010a_dsm(struct device *dev, int fn_index)
+{
+	acpi_handle handle = ACPI_HANDLE(dev);
+	guid_t kiox010a_dsm_guid;
+	union acpi_object *obj;
+
+	if (!handle)
+		return -ENODEV;
+
+	guid_parse("1f339696-d475-4e26-8cad-2e9f8e6d7a91", &kiox010a_dsm_guid);
+
+	obj = acpi_evaluate_dsm(handle, &kiox010a_dsm_guid, 1, fn_index, NULL);
+	if (!obj)
+		return -EIO;
+
+	ACPI_FREE(obj);
+	return 0;
+}
+#endif
+
+static int kxcjk1013_set_mode(struct kxcjk1013_data *data,
+			      enum kxcjk1013_mode mode)
+{
+	int ret;
+
+	ret = i2c_smbus_read_byte_data(data->client, KXCJK1013_REG_CTRL1);
+	if (ret < 0) {
+		dev_err(&data->client->dev, "Error reading reg_ctrl1\n");
+		return ret;
+	}
+
+	if (mode == STANDBY)
+		ret &= ~KXCJK1013_REG_CTRL1_BIT_PC1;
+	else
+		ret |= KXCJK1013_REG_CTRL1_BIT_PC1;
+
+	ret = i2c_smbus_write_byte_data(data->client,
+					KXCJK1013_REG_CTRL1, ret);
+	if (ret < 0) {
+		dev_err(&data->client->dev, "Error writing reg_ctrl1\n");
+		return ret;
+	}
+
+	return 0;
+}
+
+static int kxcjk1013_get_mode(struct kxcjk1013_data *data,
+			      enum kxcjk1013_mode *mode)
+{
+	int ret;
+
+	ret = i2c_smbus_read_byte_data(data->client, KXCJK1013_REG_CTRL1);
+	if (ret < 0) {
+		dev_err(&data->client->dev, "Error reading reg_ctrl1\n");
+		return ret;
+	}
+
+	if (ret & KXCJK1013_REG_CTRL1_BIT_PC1)
+		*mode = OPERATION;
+	else
+		*mode = STANDBY;
+
+	return 0;
+}
+
+static int kxcjk1013_set_range(struct kxcjk1013_data *data, int range_index)
+{
+	int ret;
+
+	ret = i2c_smbus_read_byte_data(data->client, KXCJK1013_REG_CTRL1);
+	if (ret < 0) {
+		dev_err(&data->client->dev, "Error reading reg_ctrl1\n");
+		return ret;
+	}
+
+	ret &= ~(KXCJK1013_REG_CTRL1_BIT_GSEL0 |
+		 KXCJK1013_REG_CTRL1_BIT_GSEL1);
+	ret |= (KXCJK1013_scale_table[range_index].gsel_0 << 3);
+	ret |= (KXCJK1013_scale_table[range_index].gsel_1 << 4);
+
+	ret = i2c_smbus_write_byte_data(data->client,
+					KXCJK1013_REG_CTRL1,
+					ret);
+	if (ret < 0) {
+		dev_err(&data->client->dev, "Error writing reg_ctrl1\n");
+		return ret;
+	}
+
+	data->range = range_index;
+
+	return 0;
+}
+
+static int kxcjk1013_chip_init(struct kxcjk1013_data *data)
+{
+	int ret;
+
+#ifdef CONFIG_ACPI
+	if (data->acpi_type == ACPI_KIOX010A) {
+		/* Make sure the kbd and touchpad on 2-in-1s using 2 KXCJ91008-s work */
+		kiox010a_dsm(&data->client->dev, KIOX010A_SET_LAPTOP_MODE);
+	}
+#endif
+
+	ret = i2c_smbus_read_byte_data(data->client, KXCJK1013_REG_WHO_AM_I);
+	if (ret < 0) {
+		dev_err(&data->client->dev, "Error reading who_am_i\n");
+		return ret;
+	}
+
+	dev_dbg(&data->client->dev, "KXCJK1013 Chip Id %x\n", ret);
+
+	ret = kxcjk1013_set_mode(data, STANDBY);
+	if (ret < 0)
+		return ret;
+
+	ret = i2c_smbus_read_byte_data(data->client, KXCJK1013_REG_CTRL1);
+	if (ret < 0) {
+		dev_err(&data->client->dev, "Error reading reg_ctrl1\n");
+		return ret;
+	}
+
+	/* Set 12 bit mode */
+	ret |= KXCJK1013_REG_CTRL1_BIT_RES;
+
+	ret = i2c_smbus_write_byte_data(data->client, KXCJK1013_REG_CTRL1,
+					ret);
+	if (ret < 0) {
+		dev_err(&data->client->dev, "Error reading reg_ctrl\n");
+		return ret;
+	}
+
+	/* Setting range to 4G */
+	ret = kxcjk1013_set_range(data, KXCJK1013_RANGE_4G);
+	if (ret < 0)
+		return ret;
+
+	ret = i2c_smbus_read_byte_data(data->client, KXCJK1013_REG_DATA_CTRL);
+	if (ret < 0) {
+		dev_err(&data->client->dev, "Error reading reg_data_ctrl\n");
+		return ret;
+	}
+
+	data->odr_bits = ret;
+
+	/* Set up INT polarity */
+	ret = i2c_smbus_read_byte_data(data->client, KXCJK1013_REG_INT_CTRL1);
+	if (ret < 0) {
+		dev_err(&data->client->dev, "Error reading reg_int_ctrl1\n");
+		return ret;
+	}
+
+	if (data->active_high_intr)
+		ret |= KXCJK1013_REG_INT_CTRL1_BIT_IEA;
+	else
+		ret &= ~KXCJK1013_REG_INT_CTRL1_BIT_IEA;
+
+	ret = i2c_smbus_write_byte_data(data->client, KXCJK1013_REG_INT_CTRL1,
+					ret);
+	if (ret < 0) {
+		dev_err(&data->client->dev, "Error writing reg_int_ctrl1\n");
+		return ret;
+	}
+
+	ret = kxcjk1013_set_mode(data, OPERATION);
+	if (ret < 0)
+		return ret;
+
+	data->wake_thres = KXCJK1013_DEFAULT_WAKE_THRES;
+
+	return 0;
+}
+
+#ifdef CONFIG_PM
+static int kxcjk1013_get_startup_times(struct kxcjk1013_data *data)
+{
+	int i;
+	int idx = data->chipset;
+
+	for (i = 0; i < ARRAY_SIZE(odr_start_up_times[idx]); ++i) {
+		if (odr_start_up_times[idx][i].odr_bits == data->odr_bits)
+			return odr_start_up_times[idx][i].usec;
+	}
+
+	return KXCJK1013_MAX_STARTUP_TIME_US;
+}
+#endif
+
+static int kxcjk1013_set_power_state(struct kxcjk1013_data *data, bool on)
+{
+#ifdef CONFIG_PM
+	int ret;
+
+	if (on)
+		ret = pm_runtime_get_sync(&data->client->dev);
+	else {
+		pm_runtime_mark_last_busy(&data->client->dev);
+		ret = pm_runtime_put_autosuspend(&data->client->dev);
+	}
+	if (ret < 0) {
+		dev_err(&data->client->dev,
+			"Failed: kxcjk1013_set_power_state for %d\n", on);
+		if (on)
+			pm_runtime_put_noidle(&data->client->dev);
+		return ret;
+	}
+#endif
+
+	return 0;
+}
+
+static int kxcjk1013_chip_update_thresholds(struct kxcjk1013_data *data)
+{
+	int waketh_reg, ret;
+
+	ret = i2c_smbus_write_byte_data(data->client,
+					KXCJK1013_REG_WAKE_TIMER,
+					data->wake_dur);
+	if (ret < 0) {
+		dev_err(&data->client->dev,
+			"Error writing reg_wake_timer\n");
+		return ret;
+	}
+
+	waketh_reg = data->chipset == KXTF9 ?
+		KXTF9_REG_WAKE_THRESH : KXCJK1013_REG_WAKE_THRES;
+	ret = i2c_smbus_write_byte_data(data->client, waketh_reg,
+					data->wake_thres);
+	if (ret < 0) {
+		dev_err(&data->client->dev, "Error writing reg_wake_thres\n");
+		return ret;
+	}
+
+	return 0;
+}
+
+static int kxcjk1013_setup_any_motion_interrupt(struct kxcjk1013_data *data,
+						bool status)
+{
+	int ret;
+	enum kxcjk1013_mode store_mode;
+
+	ret = kxcjk1013_get_mode(data, &store_mode);
+	if (ret < 0)
+		return ret;
+
+	/* This is requirement by spec to change state to STANDBY */
+	ret = kxcjk1013_set_mode(data, STANDBY);
+	if (ret < 0)
+		return ret;
+
+	ret = kxcjk1013_chip_update_thresholds(data);
+	if (ret < 0)
+		return ret;
+
+	ret = i2c_smbus_read_byte_data(data->client, KXCJK1013_REG_INT_CTRL1);
+	if (ret < 0) {
+		dev_err(&data->client->dev, "Error reading reg_int_ctrl1\n");
+		return ret;
+	}
+
+	if (status)
+		ret |= KXCJK1013_REG_INT_CTRL1_BIT_IEN;
+	else
+		ret &= ~KXCJK1013_REG_INT_CTRL1_BIT_IEN;
+
+	ret = i2c_smbus_write_byte_data(data->client, KXCJK1013_REG_INT_CTRL1,
+					ret);
+	if (ret < 0) {
+		dev_err(&data->client->dev, "Error writing reg_int_ctrl1\n");
+		return ret;
+	}
+
+	ret = i2c_smbus_read_byte_data(data->client, KXCJK1013_REG_CTRL1);
+	if (ret < 0) {
+		dev_err(&data->client->dev, "Error reading reg_ctrl1\n");
+		return ret;
+	}
+
+	if (status)
+		ret |= KXCJK1013_REG_CTRL1_BIT_WUFE;
+	else
+		ret &= ~KXCJK1013_REG_CTRL1_BIT_WUFE;
+
+	ret = i2c_smbus_write_byte_data(data->client,
+					KXCJK1013_REG_CTRL1, ret);
+	if (ret < 0) {
+		dev_err(&data->client->dev, "Error writing reg_ctrl1\n");
+		return ret;
+	}
+
+	if (store_mode == OPERATION) {
+		ret = kxcjk1013_set_mode(data, OPERATION);
+		if (ret < 0)
+			return ret;
+	}
+
+	return 0;
+}
+
+static int kxcjk1013_setup_new_data_interrupt(struct kxcjk1013_data *data,
+					      bool status)
+{
+	int ret;
+	enum kxcjk1013_mode store_mode;
+
+	ret = kxcjk1013_get_mode(data, &store_mode);
+	if (ret < 0)
+		return ret;
+
+	/* This is requirement by spec to change state to STANDBY */
+	ret = kxcjk1013_set_mode(data, STANDBY);
+	if (ret < 0)
+		return ret;
+
+	ret = i2c_smbus_read_byte_data(data->client, KXCJK1013_REG_INT_CTRL1);
+	if (ret < 0) {
+		dev_err(&data->client->dev, "Error reading reg_int_ctrl1\n");
+		return ret;
+	}
+
+	if (status)
+		ret |= KXCJK1013_REG_INT_CTRL1_BIT_IEN;
+	else
+		ret &= ~KXCJK1013_REG_INT_CTRL1_BIT_IEN;
+
+	ret = i2c_smbus_write_byte_data(data->client, KXCJK1013_REG_INT_CTRL1,
+					ret);
+	if (ret < 0) {
+		dev_err(&data->client->dev, "Error writing reg_int_ctrl1\n");
+		return ret;
+	}
+
+	ret = i2c_smbus_read_byte_data(data->client, KXCJK1013_REG_CTRL1);
+	if (ret < 0) {
+		dev_err(&data->client->dev, "Error reading reg_ctrl1\n");
+		return ret;
+	}
+
+	if (status)
+		ret |= KXCJK1013_REG_CTRL1_BIT_DRDY;
+	else
+		ret &= ~KXCJK1013_REG_CTRL1_BIT_DRDY;
+
+	ret = i2c_smbus_write_byte_data(data->client,
+					KXCJK1013_REG_CTRL1, ret);
+	if (ret < 0) {
+		dev_err(&data->client->dev, "Error writing reg_ctrl1\n");
+		return ret;
+	}
+
+	if (store_mode == OPERATION) {
+		ret = kxcjk1013_set_mode(data, OPERATION);
+		if (ret < 0)
+			return ret;
+	}
+
+	return 0;
+}
+
+static const struct kx_odr_map *kxcjk1013_find_odr_value(
+	const struct kx_odr_map *map, size_t map_size, int val, int val2)
+{
+	int i;
+
+	for (i = 0; i < map_size; ++i) {
+		if (map[i].val == val && map[i].val2 == val2)
+			return &map[i];
+	}
+
+	return ERR_PTR(-EINVAL);
+}
+
+static int kxcjk1013_convert_odr_value(const struct kx_odr_map *map,
+				       size_t map_size, int odr_bits,
+				       int *val, int *val2)
+{
+	int i;
+
+	for (i = 0; i < map_size; ++i) {
+		if (map[i].odr_bits == odr_bits) {
+			*val = map[i].val;
+			*val2 = map[i].val2;
+			return IIO_VAL_INT_PLUS_MICRO;
+		}
+	}
+
+	return -EINVAL;
+}
+
+static int kxcjk1013_set_odr(struct kxcjk1013_data *data, int val, int val2)
+{
+	int ret;
+	enum kxcjk1013_mode store_mode;
+	const struct kx_odr_map *odr_setting;
+
+	ret = kxcjk1013_get_mode(data, &store_mode);
+	if (ret < 0)
+		return ret;
+
+	if (data->chipset == KXTF9)
+		odr_setting = kxcjk1013_find_odr_value(kxtf9_samp_freq_table,
+						       ARRAY_SIZE(kxtf9_samp_freq_table),
+						       val, val2);
+	else
+		odr_setting = kxcjk1013_find_odr_value(samp_freq_table,
+						       ARRAY_SIZE(samp_freq_table),
+						       val, val2);
+
+	if (IS_ERR(odr_setting))
+		return PTR_ERR(odr_setting);
+
+	/* To change ODR, the chip must be set to STANDBY as per spec */
+	ret = kxcjk1013_set_mode(data, STANDBY);
+	if (ret < 0)
+		return ret;
+
+	ret = i2c_smbus_write_byte_data(data->client, KXCJK1013_REG_DATA_CTRL,
+					odr_setting->odr_bits);
+	if (ret < 0) {
+		dev_err(&data->client->dev, "Error writing data_ctrl\n");
+		return ret;
+	}
+
+	data->odr_bits = odr_setting->odr_bits;
+
+	ret = i2c_smbus_write_byte_data(data->client, KXCJK1013_REG_CTRL2,
+					odr_setting->wuf_bits);
+	if (ret < 0) {
+		dev_err(&data->client->dev, "Error writing reg_ctrl2\n");
+		return ret;
+	}
+
+	if (store_mode == OPERATION) {
+		ret = kxcjk1013_set_mode(data, OPERATION);
+		if (ret < 0)
+			return ret;
+	}
+
+	return 0;
+}
+
+static int kxcjk1013_get_odr(struct kxcjk1013_data *data, int *val, int *val2)
+{
+	if (data->chipset == KXTF9)
+		return kxcjk1013_convert_odr_value(kxtf9_samp_freq_table,
+						   ARRAY_SIZE(kxtf9_samp_freq_table),
+						   data->odr_bits, val, val2);
+	else
+		return kxcjk1013_convert_odr_value(samp_freq_table,
+						   ARRAY_SIZE(samp_freq_table),
+						   data->odr_bits, val, val2);
+}
+
+static int kxcjk1013_get_acc_reg(struct kxcjk1013_data *data, int axis)
+{
+	u8 reg = KXCJK1013_REG_XOUT_L + axis * 2;
+	int ret;
+
+	ret = i2c_smbus_read_word_data(data->client, reg);
+	if (ret < 0) {
+		dev_err(&data->client->dev,
+			"failed to read accel_%c registers\n", 'x' + axis);
+		return ret;
+	}
+
+	return ret;
+}
+
+static int kxcjk1013_set_scale(struct kxcjk1013_data *data, int val)
+{
+	int ret, i;
+	enum kxcjk1013_mode store_mode;
+
+	for (i = 0; i < ARRAY_SIZE(KXCJK1013_scale_table); ++i) {
+		if (KXCJK1013_scale_table[i].scale == val) {
+			ret = kxcjk1013_get_mode(data, &store_mode);
+			if (ret < 0)
+				return ret;
+
+			ret = kxcjk1013_set_mode(data, STANDBY);
+			if (ret < 0)
+				return ret;
+
+			ret = kxcjk1013_set_range(data, i);
+			if (ret < 0)
+				return ret;
+
+			if (store_mode == OPERATION) {
+				ret = kxcjk1013_set_mode(data, OPERATION);
+				if (ret)
+					return ret;
+			}
+
+			return 0;
+		}
+	}
+
+	return -EINVAL;
+}
+
+static int kxcjk1013_read_raw(struct iio_dev *indio_dev,
+			      struct iio_chan_spec const *chan, int *val,
+			      int *val2, long mask)
+{
+	struct kxcjk1013_data *data = iio_priv(indio_dev);
+	int ret;
+
+	switch (mask) {
+	case IIO_CHAN_INFO_RAW:
+		mutex_lock(&data->mutex);
+		if (iio_buffer_enabled(indio_dev))
+			ret = -EBUSY;
+		else {
+			ret = kxcjk1013_set_power_state(data, true);
+			if (ret < 0) {
+				mutex_unlock(&data->mutex);
+				return ret;
+			}
+			ret = kxcjk1013_get_acc_reg(data, chan->scan_index);
+			if (ret < 0) {
+				kxcjk1013_set_power_state(data, false);
+				mutex_unlock(&data->mutex);
+				return ret;
+			}
+			*val = sign_extend32(ret >> 4, 11);
+			ret = kxcjk1013_set_power_state(data, false);
+		}
+		mutex_unlock(&data->mutex);
+
+		if (ret < 0)
+			return ret;
+
+		return IIO_VAL_INT;
+
+	case IIO_CHAN_INFO_SCALE:
+		*val = 0;
+		*val2 = KXCJK1013_scale_table[data->range].scale;
+		return IIO_VAL_INT_PLUS_MICRO;
+
+	case IIO_CHAN_INFO_SAMP_FREQ:
+		mutex_lock(&data->mutex);
+		ret = kxcjk1013_get_odr(data, val, val2);
+		mutex_unlock(&data->mutex);
+		return ret;
+
+	default:
+		return -EINVAL;
+	}
+}
+
+static int kxcjk1013_write_raw(struct iio_dev *indio_dev,
+			       struct iio_chan_spec const *chan, int val,
+			       int val2, long mask)
+{
+	struct kxcjk1013_data *data = iio_priv(indio_dev);
+	int ret;
+
+	switch (mask) {
+	case IIO_CHAN_INFO_SAMP_FREQ:
+		mutex_lock(&data->mutex);
+		ret = kxcjk1013_set_odr(data, val, val2);
+		mutex_unlock(&data->mutex);
+		break;
+	case IIO_CHAN_INFO_SCALE:
+		if (val)
+			return -EINVAL;
+
+		mutex_lock(&data->mutex);
+		ret = kxcjk1013_set_scale(data, val2);
+		mutex_unlock(&data->mutex);
+		break;
+	default:
+		ret = -EINVAL;
+	}
+
+	return ret;
+}
+
+static int kxcjk1013_read_event(struct iio_dev *indio_dev,
+				   const struct iio_chan_spec *chan,
+				   enum iio_event_type type,
+				   enum iio_event_direction dir,
+				   enum iio_event_info info,
+				   int *val, int *val2)
+{
+	struct kxcjk1013_data *data = iio_priv(indio_dev);
+
+	*val2 = 0;
+	switch (info) {
+	case IIO_EV_INFO_VALUE:
+		*val = data->wake_thres;
+		break;
+	case IIO_EV_INFO_PERIOD:
+		*val = data->wake_dur;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return IIO_VAL_INT;
+}
+
+static int kxcjk1013_write_event(struct iio_dev *indio_dev,
+				    const struct iio_chan_spec *chan,
+				    enum iio_event_type type,
+				    enum iio_event_direction dir,
+				    enum iio_event_info info,
+				    int val, int val2)
+{
+	struct kxcjk1013_data *data = iio_priv(indio_dev);
+
+	if (data->ev_enable_state)
+		return -EBUSY;
+
+	switch (info) {
+	case IIO_EV_INFO_VALUE:
+		data->wake_thres = val;
+		break;
+	case IIO_EV_INFO_PERIOD:
+		data->wake_dur = val;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int kxcjk1013_read_event_config(struct iio_dev *indio_dev,
+					  const struct iio_chan_spec *chan,
+					  enum iio_event_type type,
+					  enum iio_event_direction dir)
+{
+	struct kxcjk1013_data *data = iio_priv(indio_dev);
+
+	return data->ev_enable_state;
+}
+
+static int kxcjk1013_write_event_config(struct iio_dev *indio_dev,
+					   const struct iio_chan_spec *chan,
+					   enum iio_event_type type,
+					   enum iio_event_direction dir,
+					   int state)
+{
+	struct kxcjk1013_data *data = iio_priv(indio_dev);
+	int ret;
+
+	if (state && data->ev_enable_state)
+		return 0;
+
+	mutex_lock(&data->mutex);
+
+	if (!state && data->motion_trigger_on) {
+		data->ev_enable_state = 0;
+		mutex_unlock(&data->mutex);
+		return 0;
+	}
+
+	/*
+	 * We will expect the enable and disable to do operation in
+	 * in reverse order. This will happen here anyway as our
+	 * resume operation uses sync mode runtime pm calls, the
+	 * suspend operation will be delayed by autosuspend delay
+	 * So the disable operation will still happen in reverse of
+	 * enable operation. When runtime pm is disabled the mode
+	 * is always on so sequence doesn't matter
+	 */
+	ret = kxcjk1013_set_power_state(data, state);
+	if (ret < 0) {
+		mutex_unlock(&data->mutex);
+		return ret;
+	}
+
+	ret =  kxcjk1013_setup_any_motion_interrupt(data, state);
+	if (ret < 0) {
+		kxcjk1013_set_power_state(data, false);
+		data->ev_enable_state = 0;
+		mutex_unlock(&data->mutex);
+		return ret;
+	}
+
+	data->ev_enable_state = state;
+	mutex_unlock(&data->mutex);
+
+	return 0;
+}
+
+static int kxcjk1013_buffer_preenable(struct iio_dev *indio_dev)
+{
+	struct kxcjk1013_data *data = iio_priv(indio_dev);
+
+	return kxcjk1013_set_power_state(data, true);
+}
+
+static int kxcjk1013_buffer_postdisable(struct iio_dev *indio_dev)
+{
+	struct kxcjk1013_data *data = iio_priv(indio_dev);
+
+	return kxcjk1013_set_power_state(data, false);
+}
+
+static ssize_t kxcjk1013_get_samp_freq_avail(struct device *dev,
+					     struct device_attribute *attr,
+					     char *buf)
+{
+	struct iio_dev *indio_dev = dev_to_iio_dev(dev);
+	struct kxcjk1013_data *data = iio_priv(indio_dev);
+	const char *str;
+
+	if (data->chipset == KXTF9)
+		str = kxtf9_samp_freq_avail;
+	else
+		str = kxcjk1013_samp_freq_avail;
+
+	return sprintf(buf, "%s\n", str);
+}
+
+static IIO_DEVICE_ATTR(in_accel_sampling_frequency_available, S_IRUGO,
+		       kxcjk1013_get_samp_freq_avail, NULL, 0);
+
+static IIO_CONST_ATTR(in_accel_scale_available, "0.009582 0.019163 0.038326");
+
+static struct attribute *kxcjk1013_attributes[] = {
+	&iio_dev_attr_in_accel_sampling_frequency_available.dev_attr.attr,
+	&iio_const_attr_in_accel_scale_available.dev_attr.attr,
+	NULL,
+};
+
+static const struct attribute_group kxcjk1013_attrs_group = {
+	.attrs = kxcjk1013_attributes,
+};
+
+static const struct iio_event_spec kxcjk1013_event = {
+		.type = IIO_EV_TYPE_THRESH,
+		.dir = IIO_EV_DIR_EITHER,
+		.mask_separate = BIT(IIO_EV_INFO_VALUE) |
+				 BIT(IIO_EV_INFO_ENABLE) |
+				 BIT(IIO_EV_INFO_PERIOD)
+};
+
+#define KXCJK1013_CHANNEL(_axis) {					\
+	.type = IIO_ACCEL,						\
+	.modified = 1,							\
+	.channel2 = IIO_MOD_##_axis,					\
+	.info_mask_separate = BIT(IIO_CHAN_INFO_RAW),			\
+	.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE) |		\
+				BIT(IIO_CHAN_INFO_SAMP_FREQ),		\
+	.scan_index = AXIS_##_axis,					\
+	.scan_type = {							\
+		.sign = 's',						\
+		.realbits = 12,						\
+		.storagebits = 16,					\
+		.shift = 4,						\
+		.endianness = IIO_LE,					\
+	},								\
+	.event_spec = &kxcjk1013_event,				\
+	.num_event_specs = 1						\
+}
+
+static const struct iio_chan_spec kxcjk1013_channels[] = {
+	KXCJK1013_CHANNEL(X),
+	KXCJK1013_CHANNEL(Y),
+	KXCJK1013_CHANNEL(Z),
+	IIO_CHAN_SOFT_TIMESTAMP(3),
+};
+
+static const struct iio_buffer_setup_ops kxcjk1013_buffer_setup_ops = {
+	.preenable		= kxcjk1013_buffer_preenable,
+	.postenable		= iio_triggered_buffer_postenable,
+	.postdisable		= kxcjk1013_buffer_postdisable,
+	.predisable		= iio_triggered_buffer_predisable,
+};
+
+static const struct iio_info kxcjk1013_info = {
+	.attrs			= &kxcjk1013_attrs_group,
+	.read_raw		= kxcjk1013_read_raw,
+	.write_raw		= kxcjk1013_write_raw,
+	.read_event_value	= kxcjk1013_read_event,
+	.write_event_value	= kxcjk1013_write_event,
+	.write_event_config	= kxcjk1013_write_event_config,
+	.read_event_config	= kxcjk1013_read_event_config,
+};
+
+static const unsigned long kxcjk1013_scan_masks[] = {0x7, 0};
+
+static irqreturn_t kxcjk1013_trigger_handler(int irq, void *p)
+{
+	struct iio_poll_func *pf = p;
+	struct iio_dev *indio_dev = pf->indio_dev;
+	struct kxcjk1013_data *data = iio_priv(indio_dev);
+	int ret;
+
+	mutex_lock(&data->mutex);
+	ret = i2c_smbus_read_i2c_block_data_or_emulated(data->client,
+							KXCJK1013_REG_XOUT_L,
+							AXIS_MAX * 2,
+							(u8 *)data->scan.chans);
+	mutex_unlock(&data->mutex);
+	if (ret < 0)
+		goto err;
+
+	iio_push_to_buffers_with_timestamp(indio_dev, &data->scan,
+					   data->timestamp);
+err:
+	iio_trigger_notify_done(indio_dev->trig);
+
+	return IRQ_HANDLED;
+}
+
+static int kxcjk1013_trig_try_reen(struct iio_trigger *trig)
+{
+	struct iio_dev *indio_dev = iio_trigger_get_drvdata(trig);
+	struct kxcjk1013_data *data = iio_priv(indio_dev);
+	int ret;
+
+	ret = i2c_smbus_read_byte_data(data->client, KXCJK1013_REG_INT_REL);
+	if (ret < 0) {
+		dev_err(&data->client->dev, "Error reading reg_int_rel\n");
+		return ret;
+	}
+
+	return 0;
+}
+
+static int kxcjk1013_data_rdy_trigger_set_state(struct iio_trigger *trig,
+						bool state)
+{
+	struct iio_dev *indio_dev = iio_trigger_get_drvdata(trig);
+	struct kxcjk1013_data *data = iio_priv(indio_dev);
+	int ret;
+
+	mutex_lock(&data->mutex);
+
+	if (!state && data->ev_enable_state && data->motion_trigger_on) {
+		data->motion_trigger_on = false;
+		mutex_unlock(&data->mutex);
+		return 0;
+	}
+
+	ret = kxcjk1013_set_power_state(data, state);
+	if (ret < 0) {
+		mutex_unlock(&data->mutex);
+		return ret;
+	}
+	if (data->motion_trig == trig)
+		ret = kxcjk1013_setup_any_motion_interrupt(data, state);
+	else
+		ret = kxcjk1013_setup_new_data_interrupt(data, state);
+	if (ret < 0) {
+		kxcjk1013_set_power_state(data, false);
+		mutex_unlock(&data->mutex);
+		return ret;
+	}
+	if (data->motion_trig == trig)
+		data->motion_trigger_on = state;
+	else
+		data->dready_trigger_on = state;
+
+	mutex_unlock(&data->mutex);
+
+	return 0;
+}
+
+static const struct iio_trigger_ops kxcjk1013_trigger_ops = {
+	.set_trigger_state = kxcjk1013_data_rdy_trigger_set_state,
+	.try_reenable = kxcjk1013_trig_try_reen,
+};
+
+static void kxcjk1013_report_motion_event(struct iio_dev *indio_dev)
+{
+	struct kxcjk1013_data *data = iio_priv(indio_dev);
+
+	int ret = i2c_smbus_read_byte_data(data->client,
+					   KXCJK1013_REG_INT_SRC2);
+	if (ret < 0) {
+		dev_err(&data->client->dev, "Error reading reg_int_src2\n");
+		return;
+	}
+
+	if (ret & KXCJK1013_REG_INT_SRC2_BIT_XN)
+		iio_push_event(indio_dev,
+			       IIO_MOD_EVENT_CODE(IIO_ACCEL,
+						  0,
+						  IIO_MOD_X,
+						  IIO_EV_TYPE_THRESH,
+						  IIO_EV_DIR_FALLING),
+			       data->timestamp);
+
+	if (ret & KXCJK1013_REG_INT_SRC2_BIT_XP)
+		iio_push_event(indio_dev,
+			       IIO_MOD_EVENT_CODE(IIO_ACCEL,
+						  0,
+						  IIO_MOD_X,
+						  IIO_EV_TYPE_THRESH,
+						  IIO_EV_DIR_RISING),
+			       data->timestamp);
+
+	if (ret & KXCJK1013_REG_INT_SRC2_BIT_YN)
+		iio_push_event(indio_dev,
+			       IIO_MOD_EVENT_CODE(IIO_ACCEL,
+						  0,
+						  IIO_MOD_Y,
+						  IIO_EV_TYPE_THRESH,
+						  IIO_EV_DIR_FALLING),
+			       data->timestamp);
+
+	if (ret & KXCJK1013_REG_INT_SRC2_BIT_YP)
+		iio_push_event(indio_dev,
+			       IIO_MOD_EVENT_CODE(IIO_ACCEL,
+						  0,
+						  IIO_MOD_Y,
+						  IIO_EV_TYPE_THRESH,
+						  IIO_EV_DIR_RISING),
+			       data->timestamp);
+
+	if (ret & KXCJK1013_REG_INT_SRC2_BIT_ZN)
+		iio_push_event(indio_dev,
+			       IIO_MOD_EVENT_CODE(IIO_ACCEL,
+						  0,
+						  IIO_MOD_Z,
+						  IIO_EV_TYPE_THRESH,
+						  IIO_EV_DIR_FALLING),
+			       data->timestamp);
+
+	if (ret & KXCJK1013_REG_INT_SRC2_BIT_ZP)
+		iio_push_event(indio_dev,
+			       IIO_MOD_EVENT_CODE(IIO_ACCEL,
+						  0,
+						  IIO_MOD_Z,
+						  IIO_EV_TYPE_THRESH,
+						  IIO_EV_DIR_RISING),
+			       data->timestamp);
+}
+
+static irqreturn_t kxcjk1013_event_handler(int irq, void *private)
+{
+	struct iio_dev *indio_dev = private;
+	struct kxcjk1013_data *data = iio_priv(indio_dev);
+	int ret;
+
+	ret = i2c_smbus_read_byte_data(data->client, KXCJK1013_REG_INT_SRC1);
+	if (ret < 0) {
+		dev_err(&data->client->dev, "Error reading reg_int_src1\n");
+		goto ack_intr;
+	}
+
+	if (ret & KXCJK1013_REG_INT_SRC1_BIT_WUFS) {
+		if (data->chipset == KXTF9)
+			iio_push_event(indio_dev,
+				       IIO_MOD_EVENT_CODE(IIO_ACCEL,
+				       0,
+				       IIO_MOD_X_AND_Y_AND_Z,
+				       IIO_EV_TYPE_THRESH,
+				       IIO_EV_DIR_RISING),
+				       data->timestamp);
+		else
+			kxcjk1013_report_motion_event(indio_dev);
+	}
+
+ack_intr:
+	if (data->dready_trigger_on)
+		return IRQ_HANDLED;
+
+	ret = i2c_smbus_read_byte_data(data->client, KXCJK1013_REG_INT_REL);
+	if (ret < 0)
+		dev_err(&data->client->dev, "Error reading reg_int_rel\n");
+
+	return IRQ_HANDLED;
+}
+
+static irqreturn_t kxcjk1013_data_rdy_trig_poll(int irq, void *private)
+{
+	struct iio_dev *indio_dev = private;
+	struct kxcjk1013_data *data = iio_priv(indio_dev);
+
+	data->timestamp = iio_get_time_ns(indio_dev);
+
+	if (data->dready_trigger_on)
+		iio_trigger_poll(data->dready_trig);
+	else if (data->motion_trigger_on)
+		iio_trigger_poll(data->motion_trig);
+
+	if (data->ev_enable_state)
+		return IRQ_WAKE_THREAD;
+	else
+		return IRQ_HANDLED;
+}
+
+static const char *kxcjk1013_match_acpi_device(struct device *dev,
+					       enum kx_chipset *chipset,
+					       enum kx_acpi_type *acpi_type)
+{
+	const struct acpi_device_id *id;
+
+	id = acpi_match_device(dev->driver->acpi_match_table, dev);
+	if (!id)
+		return NULL;
+
+	if (strcmp(id->id, "SMO8500") == 0)
+		*acpi_type = ACPI_SMO8500;
+	else if (strcmp(id->id, "KIOX010A") == 0)
+		*acpi_type = ACPI_KIOX010A;
+
+	*chipset = (enum kx_chipset)id->driver_data;
+
+	return dev_name(dev);
+}
+
+static int kxcjk1013_probe(struct i2c_client *client,
+			   const struct i2c_device_id *id)
+{
+	struct kxcjk1013_data *data;
+	struct iio_dev *indio_dev;
+	struct kxcjk_1013_platform_data *pdata;
+	const char *name;
+	int ret;
+
+	indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data));
+	if (!indio_dev)
+		return -ENOMEM;
+
+	data = iio_priv(indio_dev);
+	i2c_set_clientdata(client, indio_dev);
+	data->client = client;
+
+	pdata = dev_get_platdata(&client->dev);
+	if (pdata)
+		data->active_high_intr = pdata->active_high_intr;
+	else
+		data->active_high_intr = true; /* default polarity */
+
+	if (id) {
+		data->chipset = (enum kx_chipset)(id->driver_data);
+		name = id->name;
+	} else if (ACPI_HANDLE(&client->dev)) {
+		name = kxcjk1013_match_acpi_device(&client->dev,
+						   &data->chipset,
+						   &data->acpi_type);
+	} else
+		return -ENODEV;
+
+	ret = kxcjk1013_chip_init(data);
+	if (ret < 0)
+		return ret;
+
+	mutex_init(&data->mutex);
+
+	indio_dev->dev.parent = &client->dev;
+	indio_dev->channels = kxcjk1013_channels;
+	indio_dev->num_channels = ARRAY_SIZE(kxcjk1013_channels);
+	indio_dev->available_scan_masks = kxcjk1013_scan_masks;
+	indio_dev->name = name;
+	indio_dev->modes = INDIO_DIRECT_MODE;
+	indio_dev->info = &kxcjk1013_info;
+
+	if (client->irq > 0 && data->acpi_type != ACPI_SMO8500) {
+		ret = devm_request_threaded_irq(&client->dev, client->irq,
+						kxcjk1013_data_rdy_trig_poll,
+						kxcjk1013_event_handler,
+						IRQF_TRIGGER_RISING,
+						KXCJK1013_IRQ_NAME,
+						indio_dev);
+		if (ret)
+			goto err_poweroff;
+
+		data->dready_trig = devm_iio_trigger_alloc(&client->dev,
+							   "%s-dev%d",
+							   indio_dev->name,
+							   indio_dev->id);
+		if (!data->dready_trig) {
+			ret = -ENOMEM;
+			goto err_poweroff;
+		}
+
+		data->motion_trig = devm_iio_trigger_alloc(&client->dev,
+							  "%s-any-motion-dev%d",
+							  indio_dev->name,
+							  indio_dev->id);
+		if (!data->motion_trig) {
+			ret = -ENOMEM;
+			goto err_poweroff;
+		}
+
+		data->dready_trig->dev.parent = &client->dev;
+		data->dready_trig->ops = &kxcjk1013_trigger_ops;
+		iio_trigger_set_drvdata(data->dready_trig, indio_dev);
+		indio_dev->trig = data->dready_trig;
+		iio_trigger_get(indio_dev->trig);
+		ret = iio_trigger_register(data->dready_trig);
+		if (ret)
+			goto err_poweroff;
+
+		data->motion_trig->dev.parent = &client->dev;
+		data->motion_trig->ops = &kxcjk1013_trigger_ops;
+		iio_trigger_set_drvdata(data->motion_trig, indio_dev);
+		ret = iio_trigger_register(data->motion_trig);
+		if (ret) {
+			data->motion_trig = NULL;
+			goto err_trigger_unregister;
+		}
+	}
+
+	ret = iio_triggered_buffer_setup(indio_dev,
+					 &iio_pollfunc_store_time,
+					 kxcjk1013_trigger_handler,
+					 &kxcjk1013_buffer_setup_ops);
+	if (ret < 0) {
+		dev_err(&client->dev, "iio triggered buffer setup failed\n");
+		goto err_trigger_unregister;
+	}
+
+	ret = pm_runtime_set_active(&client->dev);
+	if (ret)
+		goto err_buffer_cleanup;
+
+	pm_runtime_enable(&client->dev);
+	pm_runtime_set_autosuspend_delay(&client->dev,
+					 KXCJK1013_SLEEP_DELAY_MS);
+	pm_runtime_use_autosuspend(&client->dev);
+
+	ret = iio_device_register(indio_dev);
+	if (ret < 0) {
+		dev_err(&client->dev, "unable to register iio device\n");
+		goto err_buffer_cleanup;
+	}
+
+	return 0;
+
+err_buffer_cleanup:
+	iio_triggered_buffer_cleanup(indio_dev);
+err_trigger_unregister:
+	if (data->dready_trig)
+		iio_trigger_unregister(data->dready_trig);
+	if (data->motion_trig)
+		iio_trigger_unregister(data->motion_trig);
+err_poweroff:
+	kxcjk1013_set_mode(data, STANDBY);
+
+	return ret;
+}
+
+static int kxcjk1013_remove(struct i2c_client *client)
+{
+	struct iio_dev *indio_dev = i2c_get_clientdata(client);
+	struct kxcjk1013_data *data = iio_priv(indio_dev);
+
+	iio_device_unregister(indio_dev);
+
+	pm_runtime_disable(&client->dev);
+	pm_runtime_set_suspended(&client->dev);
+	pm_runtime_put_noidle(&client->dev);
+
+	iio_triggered_buffer_cleanup(indio_dev);
+	if (data->dready_trig) {
+		iio_trigger_unregister(data->dready_trig);
+		iio_trigger_unregister(data->motion_trig);
+	}
+
+	mutex_lock(&data->mutex);
+	kxcjk1013_set_mode(data, STANDBY);
+	mutex_unlock(&data->mutex);
+
+	return 0;
+}
+
+#ifdef CONFIG_PM_SLEEP
+static int kxcjk1013_suspend(struct device *dev)
+{
+	struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
+	struct kxcjk1013_data *data = iio_priv(indio_dev);
+	int ret;
+
+	mutex_lock(&data->mutex);
+	ret = kxcjk1013_set_mode(data, STANDBY);
+	mutex_unlock(&data->mutex);
+
+	return ret;
+}
+
+static int kxcjk1013_resume(struct device *dev)
+{
+	struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
+	struct kxcjk1013_data *data = iio_priv(indio_dev);
+	int ret = 0;
+
+	mutex_lock(&data->mutex);
+	ret = kxcjk1013_set_mode(data, OPERATION);
+	if (ret == 0)
+		ret = kxcjk1013_set_range(data, data->range);
+	mutex_unlock(&data->mutex);
+
+	return ret;
+}
+#endif
+
+#ifdef CONFIG_PM
+static int kxcjk1013_runtime_suspend(struct device *dev)
+{
+	struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
+	struct kxcjk1013_data *data = iio_priv(indio_dev);
+	int ret;
+
+	ret = kxcjk1013_set_mode(data, STANDBY);
+	if (ret < 0) {
+		dev_err(&data->client->dev, "powering off device failed\n");
+		return -EAGAIN;
+	}
+	return 0;
+}
+
+static int kxcjk1013_runtime_resume(struct device *dev)
+{
+	struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
+	struct kxcjk1013_data *data = iio_priv(indio_dev);
+	int ret;
+	int sleep_val;
+
+	ret = kxcjk1013_set_mode(data, OPERATION);
+	if (ret < 0)
+		return ret;
+
+	sleep_val = kxcjk1013_get_startup_times(data);
+	if (sleep_val < 20000)
+		usleep_range(sleep_val, 20000);
+	else
+		msleep_interruptible(sleep_val/1000);
+
+	return 0;
+}
+#endif
+
+static const struct dev_pm_ops kxcjk1013_pm_ops = {
+	SET_SYSTEM_SLEEP_PM_OPS(kxcjk1013_suspend, kxcjk1013_resume)
+	SET_RUNTIME_PM_OPS(kxcjk1013_runtime_suspend,
+			   kxcjk1013_runtime_resume, NULL)
+};
+
+static const struct acpi_device_id kx_acpi_match[] = {
+	{"KXCJ1013", KXCJK1013},
+	{"KXCJ1008", KXCJ91008},
+	{"KXCJ9000", KXCJ91008},
+	{"KIOX000A", KXCJ91008},
+	{"KIOX010A", KXCJ91008}, /* KXCJ91008 inside the display of a 2-in-1 */
+	{"KXTJ1009", KXTJ21009},
+	{"SMO8500",  KXCJ91008},
+	{ },
+};
+MODULE_DEVICE_TABLE(acpi, kx_acpi_match);
+
+static const struct i2c_device_id kxcjk1013_id[] = {
+	{"kxcjk1013", KXCJK1013},
+	{"kxcj91008", KXCJ91008},
+	{"kxtj21009", KXTJ21009},
+	{"kxtf9",     KXTF9},
+	{"SMO8500",   KXCJ91008},
+	{}
+};
+
+MODULE_DEVICE_TABLE(i2c, kxcjk1013_id);
+
+static struct i2c_driver kxcjk1013_driver = {
+	.driver = {
+		.name	= KXCJK1013_DRV_NAME,
+		.acpi_match_table = ACPI_PTR(kx_acpi_match),
+		.pm	= &kxcjk1013_pm_ops,
+	},
+	.probe		= kxcjk1013_probe,
+	.remove		= kxcjk1013_remove,
+	.id_table	= kxcjk1013_id,
+};
+module_i2c_driver(kxcjk1013_driver);
+
+MODULE_AUTHOR("Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>");
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("KXCJK1013 accelerometer driver");