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Commit 56c21b53 authored by Richard Genoud's avatar Richard Genoud Committed by Jean-Christophe PLAGNIOL-VILLARD
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atmel_lcdfb: blank the backlight on remove 



When removing atmel_lcdfb module, the backlight is unregistered but not
blanked. (only for CONFIG_BACKLIGHT_ATMEL_LCDC case).
This can result in the screen going full white depending on how the PWM
is wired.

Signed-off-by: default avatarRichard Genoud <richard.genoud@gmail.com>
Signed-off-by: default avatarJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
parent 65ac057b

drivers/video/atmel_lcdfb.c

+8 −2
Original line number Diff line number Diff line
@@ -223,7 +223,13 @@ static void init_backlight(struct atmel_lcdfb_info *sinfo) 


static void exit_backlight(struct atmel_lcdfb_info *sinfo)

{

	if (sinfo->backlight)

	if (!sinfo->backlight)

		return;



	if (sinfo->backlight->ops) {

		sinfo->backlight->props.power = FB_BLANK_POWERDOWN;

		sinfo->backlight->ops->update_status(sinfo->backlight);

	}

	backlight_device_unregister(sinfo->backlight);

}