[PATCH] platform/x86: dell-laptop: Handle return error form dell_get_intensity.
From: Arvind Yadav
Date: Wed Mar 08 2017 - 07:31:29 EST
Here, dell_get_intensity can return an error. So we can assgine
props.brightness as max_brightness.
This change is done using Coccinelle.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
---
drivers/platform/x86/dell-laptop.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c
index f57dd28..0891de3 100644
--- a/drivers/platform/x86/dell-laptop.c
+++ b/drivers/platform/x86/dell-laptop.c
@@ -2053,6 +2053,9 @@ static int __init dell_init(void)
dell_backlight_device->props.brightness =
dell_get_intensity(dell_backlight_device);
+ if (dell_backlight_device->props.brightness < 0) {
+ dell_backlight_device->props.brightness = props.max_brightness;
+ }
backlight_update_status(dell_backlight_device);
}
--
1.9.1