From e961c4017b0ed0899e79125ddd161c2072d00d10 Mon Sep 17 00:00:00 2001 From: huang lin Date: Fri, 30 Jan 2015 21:05:58 +0800 Subject: [PATCH] rk3288: meet the backlight power timing request backlight timing: LED_VCC->LED_PWM->LED_EN, we modify the code to meet the timing. BUG=chrome-os-partner:36201 TEST=Boot from jerry, and scope the backlight timing BRANCH=None Change-Id: I6c53a822410ad706383c6d9fa2b5f0437775f710 Signed-off-by: huang lin Reviewed-on: https://chromium-review.googlesource.com/244639 Reviewed-by: Julius Werner (cherry picked from commit 52ac0b2944cea7dc860bfea12fe44851436bb7f7) Signed-off-by: Julius Werner Reviewed-on: https://chromium-review.googlesource.com/247153 --- src/mainboard/google/veyron_gus/mainboard.c | 6 +++--- src/mainboard/google/veyron_jaq/mainboard.c | 6 +++--- src/mainboard/google/veyron_jerry/mainboard.c | 6 +++--- src/mainboard/google/veyron_mighty/mainboard.c | 6 +++--- src/mainboard/google/veyron_minnie/mainboard.c | 6 +++--- src/mainboard/google/veyron_pinky/mainboard.c | 6 +++--- src/mainboard/google/veyron_speedy/mainboard.c | 6 +++--- 7 files changed, 21 insertions(+), 21 deletions(-) diff --git a/src/mainboard/google/veyron_gus/mainboard.c b/src/mainboard/google/veyron_gus/mainboard.c index 2c0f0f5c43..dc1a46f4b7 100644 --- a/src/mainboard/google/veyron_gus/mainboard.c +++ b/src/mainboard/google/veyron_gus/mainboard.c @@ -137,8 +137,8 @@ void lb_board(struct lb_header *header) void mainboard_power_on_backlight(void) { gpio_output(GPIO(2, B, 4), 1); /* BL_PWR_EN */ + mdelay(20); + gpio_output(GPIO_BACKLIGHT, 1); /* LCD_BL */ mdelay(10); - gpio_output(GPIO(7, A, 2), 1); /* LCD_BL */ - mdelay(10); - gpio_output(GPIO_BACKLIGHT, 1); /* BL_EN */ + gpio_output(GPIO(7, A, 2), 1); /* BL_EN */ } diff --git a/src/mainboard/google/veyron_jaq/mainboard.c b/src/mainboard/google/veyron_jaq/mainboard.c index 2c0f0f5c43..dc1a46f4b7 100644 --- a/src/mainboard/google/veyron_jaq/mainboard.c +++ b/src/mainboard/google/veyron_jaq/mainboard.c @@ -137,8 +137,8 @@ void lb_board(struct lb_header *header) void mainboard_power_on_backlight(void) { gpio_output(GPIO(2, B, 4), 1); /* BL_PWR_EN */ + mdelay(20); + gpio_output(GPIO_BACKLIGHT, 1); /* LCD_BL */ mdelay(10); - gpio_output(GPIO(7, A, 2), 1); /* LCD_BL */ - mdelay(10); - gpio_output(GPIO_BACKLIGHT, 1); /* BL_EN */ + gpio_output(GPIO(7, A, 2), 1); /* BL_EN */ } diff --git a/src/mainboard/google/veyron_jerry/mainboard.c b/src/mainboard/google/veyron_jerry/mainboard.c index 50ee52e79f..0e6ed095ff 100644 --- a/src/mainboard/google/veyron_jerry/mainboard.c +++ b/src/mainboard/google/veyron_jerry/mainboard.c @@ -154,10 +154,10 @@ void mainboard_power_on_backlight(void) break; default: gpio_output(GPIO(2, B, 4), 1); /* BL_PWR_EN */ + mdelay(20); + gpio_output(GPIO_BACKLIGHT, 1); /* LCD_BL */ mdelay(10); - gpio_output(GPIO(7, A, 2), 1); /* LCD_BL */ - mdelay(10); - gpio_output(GPIO_BACKLIGHT, 1); /* BL_EN */ + gpio_output(GPIO(7, A, 2), 1); /* BL_EN */ break; } } diff --git a/src/mainboard/google/veyron_mighty/mainboard.c b/src/mainboard/google/veyron_mighty/mainboard.c index 3d73e52ce8..d5a4b32e0b 100644 --- a/src/mainboard/google/veyron_mighty/mainboard.c +++ b/src/mainboard/google/veyron_mighty/mainboard.c @@ -154,10 +154,10 @@ void mainboard_power_on_backlight(void) break; default: gpio_output(GPIO(2, B, 4), 1); /* BL_PWR_EN */ + mdelay(20); + gpio_output(GPIO_BACKLIGHT, 1); /* LCD_BL */ mdelay(10); - gpio_output(GPIO(7, A, 2), 1); /* LCD_BL */ - mdelay(10); - gpio_output(GPIO_BACKLIGHT, 1); /* BL_EN */ + gpio_output(GPIO(7, A, 2), 1); /* BL_EN */ break; } } diff --git a/src/mainboard/google/veyron_minnie/mainboard.c b/src/mainboard/google/veyron_minnie/mainboard.c index 2c0f0f5c43..dc1a46f4b7 100644 --- a/src/mainboard/google/veyron_minnie/mainboard.c +++ b/src/mainboard/google/veyron_minnie/mainboard.c @@ -137,8 +137,8 @@ void lb_board(struct lb_header *header) void mainboard_power_on_backlight(void) { gpio_output(GPIO(2, B, 4), 1); /* BL_PWR_EN */ + mdelay(20); + gpio_output(GPIO_BACKLIGHT, 1); /* LCD_BL */ mdelay(10); - gpio_output(GPIO(7, A, 2), 1); /* LCD_BL */ - mdelay(10); - gpio_output(GPIO_BACKLIGHT, 1); /* BL_EN */ + gpio_output(GPIO(7, A, 2), 1); /* BL_EN */ } diff --git a/src/mainboard/google/veyron_pinky/mainboard.c b/src/mainboard/google/veyron_pinky/mainboard.c index 243b84f7c1..ba5aa38f7b 100644 --- a/src/mainboard/google/veyron_pinky/mainboard.c +++ b/src/mainboard/google/veyron_pinky/mainboard.c @@ -200,10 +200,10 @@ void mainboard_power_on_backlight(void) break; default: gpio_output(GPIO(2, B, 4), 1); /* BL_PWR_EN */ + mdelay(20); + gpio_output(GPIO_BACKLIGHT, 1); /* LCD_BL */ mdelay(10); - gpio_output(GPIO(7, A, 2), 1); /* LCD_BL */ - mdelay(10); - gpio_output(GPIO_BACKLIGHT, 1); /* BL_EN */ + gpio_output(GPIO(7, A, 2), 1); /* BL_EN */ break; } } diff --git a/src/mainboard/google/veyron_speedy/mainboard.c b/src/mainboard/google/veyron_speedy/mainboard.c index 3d73e52ce8..d5a4b32e0b 100644 --- a/src/mainboard/google/veyron_speedy/mainboard.c +++ b/src/mainboard/google/veyron_speedy/mainboard.c @@ -154,10 +154,10 @@ void mainboard_power_on_backlight(void) break; default: gpio_output(GPIO(2, B, 4), 1); /* BL_PWR_EN */ + mdelay(20); + gpio_output(GPIO_BACKLIGHT, 1); /* LCD_BL */ mdelay(10); - gpio_output(GPIO(7, A, 2), 1); /* LCD_BL */ - mdelay(10); - gpio_output(GPIO_BACKLIGHT, 1); /* BL_EN */ + gpio_output(GPIO(7, A, 2), 1); /* BL_EN */ break; } }