Inform the user when we can't find a pwm for the backlight driver.
Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
drivers/video/backlight-pwm.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/video/backlight-pwm.c b/drivers/video/backlight-pwm.c
index 91b1481..8f17f21 100644
--- a/drivers/video/backlight-pwm.c
+++ b/drivers/video/backlight-pwm.c
@@ -160,8 +160,10 @@ static int backlight_pwm_of_probe(struct device_d *dev)
struct pwm_device *pwm;
pwm = of_pwm_request(dev->device_node, NULL);
- if (IS_ERR(pwm))
+ if (IS_ERR(pwm)) {
+ dev_err(dev, "Cannot find PWM device\n");
return PTR_ERR(pwm);
+ }
pwm_backlight = xzalloc(sizeof(*pwm_backlight));
pwm_backlight->pwm = pwm;
--
2.5.1
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