From 60802188ece1c5b63deefc05b7b442625e575476 Mon Sep 17 00:00:00 2001 From: Philipp Zabel Date: Wed, 9 Apr 2008 19:28:53 +0100 Subject: [PATCH] [ARM] 4953/1: magician: add backlight power switching GPIOs Signed-off-by: Philipp Zabel Signed-off-by: Russell King --- arch/arm/mach-pxa/magician.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-pxa/magician.c b/arch/arm/mach-pxa/magician.c index 7de3bfe543b..9e126a90113 100644 --- a/arch/arm/mach-pxa/magician.c +++ b/arch/arm/mach-pxa/magician.c @@ -268,9 +268,18 @@ static void magician_set_bl_intensity(int intensity) if (intensity) { PWM_CTRL0 = 1; PWM_PERVAL0 = 0xc8; - PWM_PWDUTY0 = intensity; + if (intensity > 0xc7) { + PWM_PWDUTY0 = intensity - 0x48; + gpio_set_value(EGPIO_MAGICIAN_BL_POWER2, 1); + } else { + PWM_PWDUTY0 = intensity; + gpio_set_value(EGPIO_MAGICIAN_BL_POWER2, 0); + } + gpio_set_value(EGPIO_MAGICIAN_BL_POWER, 1); pxa_set_cken(CKEN_PWM0, 1); } else { + /* PWM_PWDUTY0 = intensity; */ + gpio_set_value(EGPIO_MAGICIAN_BL_POWER, 0); pxa_set_cken(CKEN_PWM0, 0); } } @@ -278,7 +287,7 @@ static void magician_set_bl_intensity(int intensity) static struct generic_bl_info backlight_info = { .default_intensity = 0x64, .limit_mask = 0x0b, - .max_intensity = 0xc7, + .max_intensity = 0xc7+0x48, .set_bl_intensity = magician_set_bl_intensity, }; -- 2.41.0