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authorPhilipp Zabel <philipp.zabel@gmail.com>2008-04-09 19:28:53 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-04-19 11:29:07 +0100
commit60802188ece1c5b63deefc05b7b442625e575476 (patch)
tree73086824194a93e590368ceb378001cf21764d13
parente07ff8d8091eff8e208fe1e406c15e5de0fffd63 (diff)
[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>
-rw-r--r--arch/arm/mach-pxa/magician.c13
1 files 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,
};