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| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2017-10-14 00:50:31 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2017-10-14 00:50:31 +0200 |
| commit | 69f658e399f3d9cb9c9680afb714ba23860d7ccb (patch) | |
| tree | 13fbc42f466cb10d319514e4ddec53def8c554f6 /drivers/iio/trigger/stm32-timer-trigger.c | |
| parent | 9867999f3a85b52f96ef05fca00cc8128eed01ce (diff) | |
| parent | 42f6284ae602469762ee721ec31ddfc6170e00bc (diff) | |
Merge branch 'pm-domains' into pm-opp
Diffstat (limited to 'drivers/iio/trigger/stm32-timer-trigger.c')
| -rw-r--r-- | drivers/iio/trigger/stm32-timer-trigger.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/iio/trigger/stm32-timer-trigger.c b/drivers/iio/trigger/stm32-timer-trigger.c index 9b9053494daf..eb212f8c8879 100644 --- a/drivers/iio/trigger/stm32-timer-trigger.c +++ b/drivers/iio/trigger/stm32-timer-trigger.c @@ -174,6 +174,7 @@ static void stm32_timer_stop(struct stm32_timer_trigger *priv) clk_disable(priv->clk); /* Stop timer */ + regmap_update_bits(priv->regmap, TIM_CR1, TIM_CR1_ARPE, 0); regmap_update_bits(priv->regmap, TIM_CR1, TIM_CR1_CEN, 0); regmap_write(priv->regmap, TIM_PSC, 0); regmap_write(priv->regmap, TIM_ARR, 0); @@ -715,8 +716,9 @@ static ssize_t stm32_count_set_preset(struct iio_dev *indio_dev, if (ret) return ret; + /* TIMx_ARR register shouldn't be buffered (ARPE=0) */ + regmap_update_bits(priv->regmap, TIM_CR1, TIM_CR1_ARPE, 0); regmap_write(priv->regmap, TIM_ARR, preset); - regmap_update_bits(priv->regmap, TIM_CR1, TIM_CR1_ARPE, TIM_CR1_ARPE); return len; } |