[ARM] 4953/1: magician: add backlight power switching GPIOs

Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 11 insertions, 2 deletions

diff --git a/arch/arm/mach-pxa/magician.c b/arch/arm/mach-pxa/magician.c
index 7de3bfe543b4..9e126a901137 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,
 };