aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/iio/trigger/stm32-timer-trigger.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/iio/trigger/stm32-timer-trigger.c')
-rw-r--r--drivers/iio/trigger/stm32-timer-trigger.c4
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)
174 clk_disable(priv->clk); 174 clk_disable(priv->clk);
175 175
176 /* Stop timer */ 176 /* Stop timer */
177 regmap_update_bits(priv->regmap, TIM_CR1, TIM_CR1_ARPE, 0);
177 regmap_update_bits(priv->regmap, TIM_CR1, TIM_CR1_CEN, 0); 178 regmap_update_bits(priv->regmap, TIM_CR1, TIM_CR1_CEN, 0);
178 regmap_write(priv->regmap, TIM_PSC, 0); 179 regmap_write(priv->regmap, TIM_PSC, 0);
179 regmap_write(priv->regmap, TIM_ARR, 0); 180 regmap_write(priv->regmap, TIM_ARR, 0);
@@ -715,8 +716,9 @@ static ssize_t stm32_count_set_preset(struct iio_dev *indio_dev,
715 if (ret) 716 if (ret)
716 return ret; 717 return ret;
717 718
719 /* TIMx_ARR register shouldn't be buffered (ARPE=0) */
720 regmap_update_bits(priv->regmap, TIM_CR1, TIM_CR1_ARPE, 0);
718 regmap_write(priv->regmap, TIM_ARR, preset); 721 regmap_write(priv->regmap, TIM_ARR, preset);
719 regmap_update_bits(priv->regmap, TIM_CR1, TIM_CR1_ARPE, TIM_CR1_ARPE);
720 722
721 return len; 723 return len;
722} 724}