[PATCH v3 03/10] pwm: cros-ec: populate PWM mode in of_xlate function

From: Claudiu Beznea
Date: Thu Feb 22 2018 - 07:03:23 EST


Populate PWM mode in of_xlate function to avoid pwm_apply_state() failure.

Signed-off-by: Claudiu Beznea <claudiu.beznea@xxxxxxxxxxxxx>
---
drivers/pwm/pwm-cros-ec.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/drivers/pwm/pwm-cros-ec.c b/drivers/pwm/pwm-cros-ec.c
index 9c13694eaa24..e54954c13323 100644
--- a/drivers/pwm/pwm-cros-ec.c
+++ b/drivers/pwm/pwm-cros-ec.c
@@ -137,6 +137,7 @@ static struct pwm_device *
cros_ec_pwm_xlate(struct pwm_chip *pc, const struct of_phandle_args *args)
{
struct pwm_device *pwm;
+ struct pwm_caps caps;

if (args->args[0] >= pc->npwm)
return ERR_PTR(-EINVAL);
@@ -145,8 +146,11 @@ cros_ec_pwm_xlate(struct pwm_chip *pc, const struct of_phandle_args *args)
if (IS_ERR(pwm))
return pwm;

+ pwm_get_caps(pc, pwm, &caps);
+
/* The EC won't let us change the period */
pwm->args.period = EC_PWM_MAX_DUTY;
+ pwm->args.mode = BIT(ffs(caps.modes) - 1);

return pwm;
}
--
2.7.4