The patch titled
da850/omap-l138: add callback to control LCD panel power
has been added to the -mm tree. Its filename is
da850-omap-l138-add-callback-to-control-lcd-panel-power.patch
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------------------------------------------------------
Subject: da850/omap-l138: add callback to control LCD panel power
From: Chaithrika U S <chaithrika@xxxxxx>
Add the platform specific callback to control LCD panel and backlight
power.
Signed-off-by: Chaithrika U S <chaithrika@xxxxxx>
Cc: Kevin Hilman <khilman@xxxxxxxxxxxxxxxxxxx>
Cc: Krzysztof Helt <krzysztof.h1@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/arm/mach-davinci/board-da850-evm.c | 24 ++++++++++++----------
1 file changed, 14 insertions(+), 10 deletions(-)
diff -puN arch/arm/mach-davinci/board-da850-evm.c~da850-omap-l138-add-callback-to-control-lcd-panel-power arch/arm/mach-davinci/board-da850-evm.c
--- a/arch/arm/mach-davinci/board-da850-evm.c~da850-omap-l138-add-callback-to-control-lcd-panel-power
+++ a/arch/arm/mach-davinci/board-da850-evm.c
@@ -339,6 +339,15 @@ static struct davinci_mmc_config da850_m
.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)
{
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_PWR_PIN, 0);
- /* disable lcd backlight */
- gpio_set_value(DA850_LCD_BL_PIN, 0);
-
- /* disable lcd power */
- gpio_set_value(DA850_LCD_PWR_PIN, 0);
-
- /* enable lcd power */
- gpio_set_value(DA850_LCD_PWR_PIN, 1);
+ /* Switch off panel power and backlight */
+ da850_panel_power_ctrl(0);
- /* enable lcd backlight */
- gpio_set_value(DA850_LCD_BL_PIN, 1);
+ /* Switch on panel power and backlight */
+ da850_panel_power_ctrl(1);
return 0;
}
@@ -674,6 +677,7 @@ static __init void da850_evm_init(void)
pr_warning("da850_evm_init: lcd initialization failed: %d\n",
ret);
+ sharp_lk043t1dg01_pdata.panel_power_ctrl = da850_panel_power_ctrl,
ret = da8xx_register_lcdc(&sharp_lk043t1dg01_pdata);
if (ret)
pr_warning("da850_evm_init: lcdc registration failed: %d\n",
_
Patches currently in -mm which might be from chaithrika@xxxxxx are
origin.patch
linux-next.patch
davinci-mmc-add-cpufreq-support.patch
davinci-fb-calculate-the-clock-divider-from-pixel-clock-info.patch
davinci-fb-add-cpufreq-support.patch
davinci-fb-updates-the-driver-in-preparation-for-addition-of-power-management-features.patch
da850-omap-l138-add-callback-to-control-lcd-panel-power.patch
davinci-fb-add-suspend-resume-suuport-for-da8xx-omap-l1xx-fb-driver.patch
davinci-fb-add-framebuffer-blank-operation.patch
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