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Commit 60802188 authored by Philipp Zabel's avatar Philipp Zabel Committed by Russell King
Browse files

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



Signed-off-by: default avatarPhilipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent e07ff8d8

arch/arm/mach-pxa/magician.c

+11 −2
Original line number Original line Diff line number Diff line
@@ -268,9 +268,18 @@ static void magician_set_bl_intensity(int intensity) 
	if (intensity) {

	if (intensity) {

		PWM_CTRL0 = 1;

		PWM_CTRL0 = 1;

		PWM_PERVAL0 = 0xc8;

		PWM_PERVAL0 = 0xc8;

		if (intensity > 0xc7) {

			PWM_PWDUTY0 = intensity - 0x48;

			gpio_set_value(EGPIO_MAGICIAN_BL_POWER2, 1);

		} else {

			PWM_PWDUTY0 = intensity;

			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);

		pxa_set_cken(CKEN_PWM0, 1);

	} else {

	} else {

		/* PWM_PWDUTY0 = intensity; */

		gpio_set_value(EGPIO_MAGICIAN_BL_POWER, 0);

		pxa_set_cken(CKEN_PWM0, 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 = {

static struct generic_bl_info backlight_info = {

	.default_intensity = 0x64,

	.default_intensity = 0x64,

	.limit_mask        = 0x0b,

	.limit_mask        = 0x0b,

	.max_intensity     = 0xc7,

	.max_intensity     = 0xc7+0x48,

	.set_bl_intensity  = magician_set_bl_intensity,

	.set_bl_intensity  = magician_set_bl_intensity,

};

};