Commit a00a5feb authored Jul 19, 2020 by Sam Ravnborg Committed by Lee Jones Jul 20, 2020

backlight: jornada720_bl: Introduce backlight_is_blank()



Use the backlight_is_blank() helper to simplify the code a bit.

The jornada720_bl driver distinguish between backlight off
and brightness set to 0.

Thus this driver turn off backlight only when backlight_is_blank()
returns true.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

parent de7b490c

drivers/video/backlight/jornada720_bl.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -54,7 +54,7 @@ static int jornada_bl_update_status(struct backlight_device *bd)
		jornada_ssp_start();

		/* If backlight is off then really turn it off */
		if ((bd->props.power != FB_BLANK_UNBLANK) \|\| (bd->props.fb_blank != FB_BLANK_UNBLANK)) {
		if (backlight_is_blank(bd)) {
		ret = jornada_ssp_byte(BRIGHTNESSOFF);
		if (ret != TXDUMMY) {
		dev_info(&bd->dev, "brightness off timeout\n");

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