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Commit 8c568df9 authored by Sven Neumann's avatar Sven Neumann Committed by Eric Miao
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ARM: pxa/raumfeld: adapt to upcoming hardware change 



The backlight control is going to change back to PWM in the
upcoming Raumfeld Controller hardware revision.

Signed-off-by: default avatarSven Neumann <s.neumann@raumfeld.com>
Acked-by: default avatarDaniel Mack <zonque@gmail.com>
Signed-off-by: default avatarEric Miao <eric.y.miao@gmail.com>
parent a065685d

arch/arm/mach-pxa/raumfeld.c

+6 −5
Original line number Original line Diff line number Diff line
@@ -598,14 +598,15 @@ static void __init raumfeld_lcd_init(void) 




	pxa_set_fb_info(NULL, &raumfeld_sharp_lcd_info);

	pxa_set_fb_info(NULL, &raumfeld_sharp_lcd_info);





	/* Earlier devices had the backlight regulator controlled

	/* Hardware revision 2 has the backlight regulator controlled

	 * via PWM, later versions use another controller for that */

	 * by an LT3593, earlier and later devices use PWM for that. */

	if ((system_rev & 0xff) < 2) {

	if ((system_rev & 0xff) == 2) {

		platform_device_register(&raumfeld_lt3593_device);

	} else {

		mfp_cfg_t raumfeld_pwm_pin_config = GPIO17_PWM0_OUT;

		mfp_cfg_t raumfeld_pwm_pin_config = GPIO17_PWM0_OUT;

		pxa3xx_mfp_config(&raumfeld_pwm_pin_config, 1);

		pxa3xx_mfp_config(&raumfeld_pwm_pin_config, 1);

		platform_device_register(&raumfeld_pwm_backlight_device);

		platform_device_register(&raumfeld_pwm_backlight_device);

	} else

	}

		platform_device_register(&raumfeld_lt3593_device);





	ret = gpio_request(GPIO_TFT_VA_EN, "display VA enable");

	ret = gpio_request(GPIO_TFT_VA_EN, "display VA enable");

	if (ret < 0)

	if (ret < 0)