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Commit 6192fa71 authored by Mattia Dongili's avatar Mattia Dongili Committed by Matthew Garrett
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sony-laptop: report failures on setting LCD brightness 



Check if we were successful in setting the requested brightness and
report failure in that case.

Signed-off-by: default avatarMattia Dongili <malattia@linux.it>
Signed-off-by: default avatarMatthew Garrett <mjg@redhat.com>
parent 9fbdaeb4

drivers/platform/x86/sony-laptop.c

+3 −2
Original line number Diff line number Diff line
@@ -966,9 +966,10 @@ static int sony_nc_update_status_ng(struct backlight_device *bd) 
	int *handle = (int *)bl_get_data(bd);



	value = bd->props.brightness;

	sony_call_snc_handle(*handle, 0x0100 | (value << 16), &result);

	if (sony_call_snc_handle(*handle, 0x0100 | (value << 16), &result))

		return -EIO;



	return sony_nc_get_brightness_ng(bd);

	return value;

}



static const struct backlight_ops sony_backlight_ops = {