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| author | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2017-11-14 07:43:00 -0800 |
|---|---|---|
| committer | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2017-11-14 07:43:00 -0800 |
| commit | 176d5325d1a7d088e96cfef898fa7d3a622a6903 (patch) | |
| tree | f12c24b72202e032114aef576f53deac9f595646 /drivers/iio/trigger/stm32-timer-trigger.c | |
| parent | 70a84f3c6075031dbf004a1610ca2471f4c528aa (diff) | |
| parent | f150891fd9878ef0d9197c4e8451ce67c3bdd014 (diff) | |
Merge airlied/drm-next into drm-intel-next-queued
Catchup with upstream.
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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; } |