summaryrefslogtreecommitdiffstats
path: root/drivers/platform/x86
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-06-03 05:08:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-06-03 05:08:49 +0000
commit76047c0312414915035f4ebbaa533fe3817a21e0 (patch)
tree86f79ba3c1f753b1d39be793455035794fade031 /drivers/platform/x86
parentAdding upstream version 6.8.11. (diff)
downloadlinux-76047c0312414915035f4ebbaa533fe3817a21e0.tar.xz
linux-76047c0312414915035f4ebbaa533fe3817a21e0.zip
Adding upstream version 6.8.12.upstream/6.8.12
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/platform/x86')
-rw-r--r--drivers/platform/x86/intel/speed_select_if/isst_if_common.c1
-rw-r--r--drivers/platform/x86/xiaomi-wmi.c18
2 files changed, 19 insertions, 0 deletions
diff --git a/drivers/platform/x86/intel/speed_select_if/isst_if_common.c b/drivers/platform/x86/intel/speed_select_if/isst_if_common.c
index 30951f7131..1accdaaf28 100644
--- a/drivers/platform/x86/intel/speed_select_if/isst_if_common.c
+++ b/drivers/platform/x86/intel/speed_select_if/isst_if_common.c
@@ -721,6 +721,7 @@ static struct miscdevice isst_if_char_driver = {
static const struct x86_cpu_id hpm_cpu_ids[] = {
X86_MATCH_INTEL_FAM6_MODEL(GRANITERAPIDS_D, NULL),
X86_MATCH_INTEL_FAM6_MODEL(GRANITERAPIDS_X, NULL),
+ X86_MATCH_INTEL_FAM6_MODEL(ATOM_CRESTMONT, NULL),
X86_MATCH_INTEL_FAM6_MODEL(ATOM_CRESTMONT_X, NULL),
{}
};
diff --git a/drivers/platform/x86/xiaomi-wmi.c b/drivers/platform/x86/xiaomi-wmi.c
index 54a2546bb9..be80f0bda9 100644
--- a/drivers/platform/x86/xiaomi-wmi.c
+++ b/drivers/platform/x86/xiaomi-wmi.c
@@ -2,8 +2,10 @@
/* WMI driver for Xiaomi Laptops */
#include <linux/acpi.h>
+#include <linux/device.h>
#include <linux/input.h>
#include <linux/module.h>
+#include <linux/mutex.h>
#include <linux/wmi.h>
#include <uapi/linux/input-event-codes.h>
@@ -20,12 +22,21 @@
struct xiaomi_wmi {
struct input_dev *input_dev;
+ struct mutex key_lock; /* Protects the key event sequence */
unsigned int key_code;
};
+static void xiaomi_mutex_destroy(void *data)
+{
+ struct mutex *lock = data;
+
+ mutex_destroy(lock);
+}
+
static int xiaomi_wmi_probe(struct wmi_device *wdev, const void *context)
{
struct xiaomi_wmi *data;
+ int ret;
if (wdev == NULL || context == NULL)
return -EINVAL;
@@ -35,6 +46,11 @@ static int xiaomi_wmi_probe(struct wmi_device *wdev, const void *context)
return -ENOMEM;
dev_set_drvdata(&wdev->dev, data);
+ mutex_init(&data->key_lock);
+ ret = devm_add_action_or_reset(&wdev->dev, xiaomi_mutex_destroy, &data->key_lock);
+ if (ret < 0)
+ return ret;
+
data->input_dev = devm_input_allocate_device(&wdev->dev);
if (data->input_dev == NULL)
return -ENOMEM;
@@ -59,10 +75,12 @@ static void xiaomi_wmi_notify(struct wmi_device *wdev, union acpi_object *dummy)
if (data == NULL)
return;
+ mutex_lock(&data->key_lock);
input_report_key(data->input_dev, data->key_code, 1);
input_sync(data->input_dev);
input_report_key(data->input_dev, data->key_code, 0);
input_sync(data->input_dev);
+ mutex_unlock(&data->key_lock);
}
static const struct wmi_device_id xiaomi_wmi_id_table[] = {