Adding upstream version 6.6.15.upstream/6.6.15

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

1 files changed, 26 insertions, 0 deletions

diff --git a/drivers/iio/adc/ltc2497.h b/drivers/iio/adc/ltc2497.h
new file mode 100644
index 0000000000..781519b524
--- /dev/null
+++ b/drivers/iio/adc/ltc2497.h
@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#define LTC2497_ENABLE			0xA0
+#define LTC2497_CONFIG_DEFAULT		LTC2497_ENABLE
+#define LTC2497_CONVERSION_TIME_MS	150ULL
+
+struct ltc2497_chip_info {
+	u32 resolution;
+	const char *name;
+};
+
+struct ltc2497core_driverdata {
+	struct regulator *ref;
+	ktime_t	time_prev;
+	/* lock to protect against multiple access to the device */
+	struct mutex lock;
+	const struct ltc2497_chip_info	*chip_info;
+	u8 addr_prev;
+	int (*result_and_measure)(struct ltc2497core_driverdata *ddata,
+				  u8 address, int *val);
+};
+
+int ltc2497core_probe(struct device *dev, struct iio_dev *indio_dev);
+void ltc2497core_remove(struct iio_dev *indio_dev);
+
+MODULE_IMPORT_NS(LTC2497);