Populate PWM mode in of_xlate function to avoid pwm_apply_state() failure.
Signed-off-by: Claudiu Beznea <claudiu.bez...@microchip.com>
---
drivers/pwm/pwm-clps711x.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/drivers/pwm/pwm-clps711x.c b/drivers/pwm/pwm-clps711x.c
index 26ec24e457b1..2a4d31ab3af0 100644
--- a/drivers/pwm/pwm-clps711x.c
+++ b/drivers/pwm/pwm-clps711x.c
@@ -109,10 +109,20 @@ static const struct pwm_ops clps711x_pwm_ops = {
static struct pwm_device *clps711x_pwm_xlate(struct pwm_chip *chip,
const struct of_phandle_args *args)
{
+ struct pwm_device *pwm;
+ struct pwm_caps caps;
+
if (args->args[0] >= chip->npwm)
return ERR_PTR(-EINVAL);
- return pwm_request_from_chip(chip, args->args[0], NULL);
+ pwm = pwm_request_from_chip(chip, args->args[0], NULL);
+ if (IS_ERR(pwm))
+ return pwm;
+
+ pwm_get_caps(chip, pwm, &caps);
+ pwm->args.mode = BIT(ffs(caps.modes) - 1);
+
+ return pwm;
}
static int clps711x_pwm_probe(struct platform_device *pdev)
--
2.7.4
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