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[ARM] pxa: add generic PWM backlight driver

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Patch mostly from Eric Miao, with minor edits by rmk to convert
Eric's driver to a generic PWM-based backlight driver.

Signed-off-by: eric miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
eric miao 2008-04-14 09:35:08 +01:00 • committed by Russell King
parent c860d701cc
commit 42796d37da
4 changed files with 182 additions and 0 deletions
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14
include/linux/pwm_backlight.h Normal file
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@ -0,0 +1,14 @@
/*
* Generic PWM backlight driver data - see drivers/video/backlight/pwm_bl.c
*/
#ifndef __LINUX_PWM_BACKLIGHT_H
#define __LINUX_PWM_BACKLIGHT_H
struct platform_pwm_backlight_data {
int pwm_id;
unsigned int max_brightness;
unsigned int dft_brightness;
unsigned int pwm_period_ns;
};
#endif