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Commit e337d724 authored by Alexander Shiyan's avatar Alexander Shiyan Committed by Olof Johansson
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ARM: clps711x: edb7211: Control LCD backlight via PWM 



This patch provide control LCD backlight via PWM. GPIO is used
only for switch backlight ON and OFF.

Signed-off-by: default avatarAlexander Shiyan <shc_work@mail.ru>
Signed-off-by: default avatarOlof Johansson <olof@lixom.net>
parent 362168f8

arch/arm/mach-clps711x/board-edb7211.c

+3 −2
Original line number Original line Diff line number Diff line
@@ -109,13 +109,14 @@ static struct plat_lcd_data edb7211_lcd_power_pdata = { 




static void edb7211_lcd_backlight_set_intensity(int intensity)

static void edb7211_lcd_backlight_set_intensity(int intensity)

{

{

	gpio_set_value(EDB7211_LCDBL, intensity);

	gpio_set_value(EDB7211_LCDBL, !!intensity);

	clps_writel((clps_readl(PMPCON) & 0xf0ff) | (intensity << 8), PMPCON);

}

}





static struct generic_bl_info edb7211_lcd_backlight_pdata = {

static struct generic_bl_info edb7211_lcd_backlight_pdata = {

	.name			= "lcd-backlight.0",

	.name			= "lcd-backlight.0",

	.default_intensity	= 0x01,

	.default_intensity	= 0x01,

	.max_intensity		= 0x01,

	.max_intensity		= 0x0f,

	.set_bl_intensity	= edb7211_lcd_backlight_set_intensity,

	.set_bl_intensity	= edb7211_lcd_backlight_set_intensity,

};

};