On Thu, Jun 17, 2021 at 11:51:44AM +0200, Uwe Kleine-König wrote:
> To ease review this reuses the formerly implemented callbacks.
>
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
> ---
> drivers/pwm/pwm-tegra.c | 32 +++++++++++++++++++++++++++++---
> 1 file changed, 29 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/pwm/pwm-tegra.c b/drivers/pwm/pwm-tegra.c
> index 11a10b575ace..1161c6323e60 100644
> --- a/drivers/pwm/pwm-tegra.c
> +++ b/drivers/pwm/pwm-tegra.c
> @@ -227,10 +227,36 @@ static void tegra_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm)
> clk_disable_unprepare(pc->clk);
> }
>
> +static int tegra_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
> + const struct pwm_state *state)
> +{
> + int err;
> +
> + if (state->polarity != PWM_POLARITY_INVERSED)
> + return -EINVAL;
Where does this come from? I can't see this condition anywhere in the
existing driver.
Thierry
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