diff options
| author | Jong Kim <jongk@nvidia.com> | 2011-09-06 18:56:45 -0700 |
|---|---|---|
| committer | Varun Colbert <vcolbert@nvidia.com> | 2011-09-08 17:21:04 -0700 |
| commit | 22d69cae292d99204502f685f483a575fe2e82c8 (patch) | |
| tree | 5d6a244916fb92f02e082a1b2a76fb115be7ea35 /arch/arm | |
| parent | 9e7bf6bd080289b9381c6e1602207535eec5a613 (diff) | |
arm: tegra: Add power on sequence timing for Harmony display panel
Added proper power on sequence for Harmony display panel.
BUG=None
TESTS=Flash Harmony and boot/suspend/reboot works fine.
Change-Id: I81d6488d187908b4323810a99cfb70d176a994b4
Signed-off-by: Jong Kim <jongk@nvidia.com>
Reviewed-on: http://git-master/r/50955
Reviewed-by: Winnie Hsu <whsu@nvidia.com>
Reviewed-by: Mursalin Akon <makon@nvidia.com>
Reviewed-by: Allen Martin <amartin@nvidia.com>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-tegra/board-harmony-panel.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/board-harmony-panel.c b/arch/arm/mach-tegra/board-harmony-panel.c index 94baae1181b7..de4bb087d03c 100644 --- a/arch/arm/mach-tegra/board-harmony-panel.c +++ b/arch/arm/mach-tegra/board-harmony-panel.c @@ -43,6 +43,10 @@ #define harmony_bl_pwm TEGRA_GPIO_PB4 #define harmony_hdmi_hpd TEGRA_GPIO_PN7 +/*panel power on sequence timing*/ +#define harmony_pnl_to_lvds_ms 0 +#define harmony_lvds_to_bl_ms 200 + static int harmony_backlight_init(struct device *dev) { int ret; @@ -99,13 +103,17 @@ static struct platform_device harmony_backlight_device = { static int harmony_panel_enable(void) { + gpio_set_value(harmony_en_vdd_pnl, 1); + mdelay(harmony_pnl_to_lvds_ms); gpio_set_value(harmony_lvds_shutdown, 1); + mdelay(harmony_lvds_to_bl_ms); return 0; } static int harmony_panel_disable(void) { gpio_set_value(harmony_lvds_shutdown, 0); + gpio_set_value(harmony_en_vdd_pnl, 0); return 0; } |