[PATCH v3 03/10] pwm: cros-ec: populate PWM mode in of_xlate function
From: Claudiu Beznea <hidden>
Date: 2018-02-22 12:03:10
Also in:
dri-devel, intel-gfx, linux-arm-kernel, linux-clk, linux-devicetree, linux-hwmon, linux-input, linux-leds, linux-media, linux-pwm, linux-samsung-soc, lkml
Subsystem:
pwm subsystem, the rest · Maintainers:
Uwe Kleine-König, Linus Torvalds
Populate PWM mode in of_xlate function to avoid pwm_apply_state() failure. Signed-off-by: Claudiu Beznea <redacted> --- 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