diff options
Diffstat (limited to 'drivers/iio/proximity')
| -rw-r--r-- | drivers/iio/proximity/as3935.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/iio/proximity/as3935.c b/drivers/iio/proximity/as3935.c index f056767d95a5..4158d7e431b4 100644 --- a/drivers/iio/proximity/as3935.c +++ b/drivers/iio/proximity/as3935.c @@ -256,8 +256,6 @@ static irqreturn_t as3935_interrupt_handler(int irq, void *private) static void calibrate_as3935(struct as3935_state *st) { - mutex_lock(&st->lock); - /* mask disturber interrupt bit */ as3935_write(st, AS3935_INT, BIT(5)); @@ -267,8 +265,6 @@ static void calibrate_as3935(struct as3935_state *st) mdelay(2); as3935_write(st, AS3935_TUNE_CAP, (st->tune_cap / TUNE_CAP_DIV)); - - mutex_unlock(&st->lock); } #ifdef CONFIG_PM_SLEEP @@ -305,6 +301,8 @@ static int as3935_resume(struct spi_device *spi) val &= ~AS3935_AFE_PWR_BIT; ret = as3935_write(st, AS3935_AFE_GAIN, val); + calibrate_as3935(st); + err_resume: mutex_unlock(&st->lock); |