diff options
Diffstat (limited to 'drivers/input/misc/drv2667.c')
-rw-r--r-- | drivers/input/misc/drv2667.c | 48 |
1 files changed, 23 insertions, 25 deletions
diff --git a/drivers/input/misc/drv2667.c b/drivers/input/misc/drv2667.c index 11c5855256e8..f952a24ec595 100644 --- a/drivers/input/misc/drv2667.c +++ b/drivers/input/misc/drv2667.c @@ -16,7 +16,7 @@ #include <linux/delay.h> #include <linux/regulator/consumer.h> -/* Contol registers */ +/* Control registers */ #define DRV2667_STATUS 0x00 #define DRV2667_CTRL_1 0x01 #define DRV2667_CTRL_2 0x02 @@ -402,65 +402,63 @@ static int drv2667_probe(struct i2c_client *client) static int drv2667_suspend(struct device *dev) { struct drv2667_data *haptics = dev_get_drvdata(dev); - int ret = 0; + int error; - mutex_lock(&haptics->input_dev->mutex); + guard(mutex)(&haptics->input_dev->mutex); if (input_device_enabled(haptics->input_dev)) { - ret = regmap_update_bits(haptics->regmap, DRV2667_CTRL_2, - DRV2667_STANDBY, DRV2667_STANDBY); - if (ret) { + error = regmap_update_bits(haptics->regmap, DRV2667_CTRL_2, + DRV2667_STANDBY, DRV2667_STANDBY); + if (error) { dev_err(dev, "Failed to set standby mode\n"); regulator_disable(haptics->regulator); - goto out; + return error; } - ret = regulator_disable(haptics->regulator); - if (ret) { + error = regulator_disable(haptics->regulator); + if (error) { dev_err(dev, "Failed to disable regulator\n"); regmap_update_bits(haptics->regmap, DRV2667_CTRL_2, DRV2667_STANDBY, 0); + return error; } } -out: - mutex_unlock(&haptics->input_dev->mutex); - return ret; + + return 0; } static int drv2667_resume(struct device *dev) { struct drv2667_data *haptics = dev_get_drvdata(dev); - int ret = 0; + int error; - mutex_lock(&haptics->input_dev->mutex); + guard(mutex)(&haptics->input_dev->mutex); if (input_device_enabled(haptics->input_dev)) { - ret = regulator_enable(haptics->regulator); - if (ret) { + error = regulator_enable(haptics->regulator); + if (error) { dev_err(dev, "Failed to enable regulator\n"); - goto out; + return error; } - ret = regmap_update_bits(haptics->regmap, DRV2667_CTRL_2, - DRV2667_STANDBY, 0); - if (ret) { + error = regmap_update_bits(haptics->regmap, DRV2667_CTRL_2, + DRV2667_STANDBY, 0); + if (error) { dev_err(dev, "Failed to unset standby mode\n"); regulator_disable(haptics->regulator); - goto out; + return error; } } -out: - mutex_unlock(&haptics->input_dev->mutex); - return ret; + return 0; } static DEFINE_SIMPLE_DEV_PM_OPS(drv2667_pm_ops, drv2667_suspend, drv2667_resume); static const struct i2c_device_id drv2667_id[] = { - { "drv2667", 0 }, + { "drv2667" }, { } }; MODULE_DEVICE_TABLE(i2c, drv2667_id); |