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

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
...@@ -339,6 +339,15 @@ static struct davinci_mmc_config da850_mmc_config = { ...@@ -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) ...@@ -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) ...@@ -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",
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment