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Input: imagis - use guard notation when acquiring mutex

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Guard notation simplifies code.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Dmitry Torokhov
2024-08-17 18:58:22 -07:00
parent ded32cc611
commit d2862b87ad
1 changed files with 16 additions and 14 deletions
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30
drivers/input/touchscreen/imagis.c
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@@ -366,32 +366,34 @@ static int imagis_suspend(struct device *dev)
{
struct i2c_client *client = to_i2c_client(dev);
struct imagis_ts *ts = i2c_get_clientdata(client);
int retval = 0;
int error;
mutex_lock(&ts->input_dev->mutex);
guard(mutex)(&ts->input_dev->mutex);
if (input_device_enabled(ts->input_dev))
retval = imagis_stop(ts);
if (input_device_enabled(ts->input_dev)) {
error = imagis_stop(ts);
if (error)
return error;
}
mutex_unlock(&ts->input_dev->mutex);
return retval;
return 0;
}
static int imagis_resume(struct device *dev)
{
struct i2c_client *client = to_i2c_client(dev);
struct imagis_ts *ts = i2c_get_clientdata(client);
int retval = 0;
int error;
mutex_lock(&ts->input_dev->mutex);
guard(mutex)(&ts->input_dev->mutex);
if (input_device_enabled(ts->input_dev))
retval = imagis_start(ts);
if (input_device_enabled(ts->input_dev)) {
error = imagis_start(ts);
if (error)
return error;
}
mutex_unlock(&ts->input_dev->mutex);
return retval;
return 0;
}
static DEFINE_SIMPLE_DEV_PM_OPS(imagis_pm_ops, imagis_suspend, imagis_resume);