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[ARM]: tegra: stingray: set backlight scaling factor

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set backlight scaling factor based on display panel.
AUO scaling at 726 makes it bit more brighter

Change-Id: I568ff158f00260894d95c00ac1e96632e2636d58
Signed-off-by: makarand.karvekar <makarand.karvekar@motorola.com>
This commit is contained in:
makarand.karvekar 2011-03-04 10:10:13 -06:00 committed by Rebecca Schultz Zavin
parent cbdfcbc03f
commit 3e8bebdeaa
1 changed files with 12 additions and 0 deletions
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12
arch/arm/mach-tegra/board-stingray-panel.c
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@ -451,8 +451,19 @@ struct lp8550_platform_data stingray_lp8550_backlight_data = {
.direct_ctrl = 0x01,
.eeprom_table = stingray_lp8550_eeprom_data,
.eeprom_tbl_sz = ARRAY_SIZE(stingray_lp8550_eeprom_data),
.scaling_factor = 690, /* For SHP and default */
};
static int stingray_lp8550_init(void)
{
struct lp8550_platform_data *pdata =
&stingray_lp8550_backlight_data;
if (!strncmp(lcd_manfid, "AUO", 3))
pdata->scaling_factor = 726;
return 0;
}
static struct i2c_board_info __initdata stingray_i2c_bus1_led_info[] = {
{
I2C_BOARD_INFO(LD_LP8550_NAME, 0x2c),
@ -506,6 +517,7 @@ int __init stingray_panel_init(void)
platform_device_register(&stingray_panel_early_reg_keyreset_device);
stingray_hdmi_init();
stingray_lp8550_init();
stingray_csi_reg = regulator_get(NULL, "vcsi");
if (IS_ERR(stingray_csi_reg)) {