[Intel-gfx] [PATCH v3 03/10] pwm: cros-ec: populate PWM mode in of_xlate function
Claudiu Beznea
claudiu.beznea at microchip.com
Thu Feb 22 12:01:14 UTC 2018
Populate PWM mode in of_xlate function to avoid pwm_apply_state() failure.
Signed-off-by: Claudiu Beznea <claudiu.beznea at microchip.com>
---
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
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