On Thu, 3 Aug 2017 11:22:17 +0200
Fabrice Gasnier <fabrice.gasnier@xxxxxx> wrote:
> Fix reading trigger mode, when other bit-fields are set. SMCR register
> value must be masked to read SMS (slave mode selection) only.
>
> Fixes: 9eba381 ("iio: make stm32 trigger driver use
> INDIO_HARDWARE_TRIGGERED mode")
>
> Signed-off-by: Fabrice Gasnier <fabrice.gasnier@xxxxxx>
Applied to the fixes-togreg branch of iio.git.
THanks,
Jonathan
> ---
> drivers/iio/trigger/stm32-timer-trigger.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/iio/trigger/stm32-timer-trigger.c b/drivers/iio/trigger/stm32-timer-trigger.c
> index 14e6eb0..25ad6ab 100644
> --- a/drivers/iio/trigger/stm32-timer-trigger.c
> +++ b/drivers/iio/trigger/stm32-timer-trigger.c
> @@ -485,7 +485,7 @@ static int stm32_get_trigger_mode(struct iio_dev *indio_dev,
>
> regmap_read(priv->regmap, TIM_SMCR, &smcr);
>
> - return smcr == TIM_SMCR_SMS ? 0 : -EINVAL;
> + return (smcr & TIM_SMCR_SMS) == TIM_SMCR_SMS ? 0 : -EINVAL;
> }
>
> static const struct iio_enum stm32_trigger_mode_enum = {
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