diff options
Diffstat (limited to 'drivers/iio/proximity/as3935.c')
| -rw-r--r-- | drivers/iio/proximity/as3935.c | 26 |
1 files changed, 6 insertions, 20 deletions
diff --git a/drivers/iio/proximity/as3935.c b/drivers/iio/proximity/as3935.c index 51f4f92ae84a..67891ce2bd09 100644 --- a/drivers/iio/proximity/as3935.c +++ b/drivers/iio/proximity/as3935.c @@ -12,6 +12,7 @@ #include <linux/interrupt.h> #include <linux/delay.h> #include <linux/workqueue.h> +#include <linux/devm-helpers.h> #include <linux/mutex.h> #include <linux/err.h> #include <linux/irq.h> @@ -122,7 +123,7 @@ static ssize_t as3935_sensor_sensitivity_show(struct device *dev, return ret; val = (val & AS3935_AFE_MASK) >> 1; - return sprintf(buf, "%d\n", val); + return sysfs_emit(buf, "%d\n", val); } static ssize_t as3935_sensor_sensitivity_store(struct device *dev, @@ -153,7 +154,7 @@ static ssize_t as3935_noise_level_tripped_show(struct device *dev, int ret; mutex_lock(&st->lock); - ret = sprintf(buf, "%d\n", !time_after(jiffies, st->noise_tripped + HZ)); + ret = sysfs_emit(buf, "%d\n", !time_after(jiffies, st->noise_tripped + HZ)); mutex_unlock(&st->lock); return ret; @@ -295,7 +296,6 @@ static void calibrate_as3935(struct as3935_state *st) as3935_write(st, AS3935_NFLWDTH, st->nflwdth_reg); } -#ifdef CONFIG_PM_SLEEP static int as3935_suspend(struct device *dev) { struct iio_dev *indio_dev = dev_get_drvdata(dev); @@ -337,20 +337,7 @@ err_resume: return ret; } -static SIMPLE_DEV_PM_OPS(as3935_pm_ops, as3935_suspend, as3935_resume); -#define AS3935_PM_OPS (&as3935_pm_ops) - -#else -#define AS3935_PM_OPS NULL -#endif - -static void as3935_stop_work(void *data) -{ - struct iio_dev *indio_dev = data; - struct as3935_state *st = iio_priv(indio_dev); - - cancel_delayed_work_sync(&st->work); -} +static DEFINE_SIMPLE_DEV_PM_OPS(as3935_pm_ops, as3935_suspend, as3935_resume); static int as3935_probe(struct spi_device *spi) { @@ -432,8 +419,7 @@ static int as3935_probe(struct spi_device *spi) calibrate_as3935(st); - INIT_DELAYED_WORK(&st->work, as3935_event_work); - ret = devm_add_action(dev, as3935_stop_work, indio_dev); + ret = devm_delayed_work_autocancel(dev, &st->work, as3935_event_work); if (ret) return ret; @@ -472,7 +458,7 @@ static struct spi_driver as3935_driver = { .driver = { .name = "as3935", .of_match_table = as3935_of_match, - .pm = AS3935_PM_OPS, + .pm = pm_sleep_ptr(&as3935_pm_ops), }, .probe = as3935_probe, .id_table = as3935_id, |