Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit d52f235f authored by Chaithrika U S's avatar Chaithrika U S Committed by Linus Torvalds
Browse files

da850/omap-l138: add callback to control LCD panel power 



Add the platform specific callback to control LCD panel and backlight
power.

Signed-off-by: default avatarChaithrika U S <chaithrika@ti.com>
Acked-by: default avatarKevin Hilman <khilman@deeprootsystems.com>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent cfbd646f

arch/arm/mach-davinci/board-da850-evm.c

+14 −10
Original line number Original line Diff line number Diff line
@@ -339,6 +339,15 @@ static struct davinci_mmc_config da850_mmc_config = { 
	.version	= MMC_CTLR_VERSION_2,

	.version	= MMC_CTLR_VERSION_2,

};

};





static void da850_panel_power_ctrl(int val)

{

	/* lcd backlight */

	gpio_set_value(DA850_LCD_BL_PIN, val);



	/* lcd power */

	gpio_set_value(DA850_LCD_PWR_PIN, val);

}



static int da850_lcd_hw_init(void)

static int da850_lcd_hw_init(void)

{

{

	int status;

	int status;
@@ -356,17 +365,11 @@ static int da850_lcd_hw_init(void) 
	gpio_direction_output(DA850_LCD_BL_PIN, 0);

	gpio_direction_output(DA850_LCD_BL_PIN, 0);

	gpio_direction_output(DA850_LCD_PWR_PIN, 0);

	gpio_direction_output(DA850_LCD_PWR_PIN, 0);





	/* disable lcd backlight */

	/* Switch off panel power and backlight */

	gpio_set_value(DA850_LCD_BL_PIN, 0);

	da850_panel_power_ctrl(0);



	/* disable lcd power */

	gpio_set_value(DA850_LCD_PWR_PIN, 0);



	/* enable lcd power */

	gpio_set_value(DA850_LCD_PWR_PIN, 1);





	/* enable lcd backlight */

	/* Switch on panel power and backlight */

	gpio_set_value(DA850_LCD_BL_PIN, 1);

	da850_panel_power_ctrl(1);





	return 0;

	return 0;

}

}
@@ -674,6 +677,7 @@ static __init void da850_evm_init(void) 
		pr_warning("da850_evm_init: lcd initialization failed: %d\n",

		pr_warning("da850_evm_init: lcd initialization failed: %d\n",

				ret);

				ret);





	sharp_lk043t1dg01_pdata.panel_power_ctrl = da850_panel_power_ctrl,

	ret = da8xx_register_lcdc(&sharp_lk043t1dg01_pdata);

	ret = da8xx_register_lcdc(&sharp_lk043t1dg01_pdata);

	if (ret)

	if (ret)

		pr_warning("da850_evm_init: lcdc registration failed: %d\n",

		pr_warning("da850_evm_init: lcdc registration failed: %d\n",