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

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Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Philipp Zabel 2008-04-09 19:28:53 +01:00 committed by Russell King
parent e07ff8d809
commit 60802188ec
1 changed files with 11 additions and 2 deletions
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13
arch/arm/mach-pxa/magician.c
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@ -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,
};