From 211e5a12783d1d1548c987df49639cd643c08244 Mon Sep 17 00:00:00 2001 From: root Date: Tue, 31 May 2011 08:58:56 +0800 Subject: [PATCH] A22:fix white screen when power_on and resume --- arch/arm/mach-rk29/board-rk29-a22.c | 36 +++++++++++++++++++++++++---- 1 file changed, 32 insertions(+), 4 deletions(-) mode change 100755 => 100644 arch/arm/mach-rk29/board-rk29-a22.c diff --git a/arch/arm/mach-rk29/board-rk29-a22.c b/arch/arm/mach-rk29/board-rk29-a22.c old mode 100755 new mode 100644 index 0768e9519abd..58436bfa82ae --- a/arch/arm/mach-rk29/board-rk29-a22.c +++ b/arch/arm/mach-rk29/board-rk29-a22.c @@ -233,6 +233,35 @@ static struct rk29lcd_info rk29_lcd_info = { .io_deinit = rk29_lcd_io_deinit, }; +int rk29_fb_io_enable(void) +{ + if(FB_DISPLAY_ON_PIN != INVALID_GPIO) + { + gpio_direction_output(FB_DISPLAY_ON_PIN, 0); + gpio_set_value(FB_DISPLAY_ON_PIN, FB_DISPLAY_ON_VALUE); + } + if(FB_LCD_STANDBY_PIN != INVALID_GPIO) + { + gpio_direction_output(FB_LCD_STANDBY_PIN, 0); + gpio_set_value(FB_LCD_STANDBY_PIN, FB_LCD_STANDBY_VALUE); + } + return 0; +} + +int rk29_fb_io_disable(void) +{ + if(FB_DISPLAY_ON_PIN != INVALID_GPIO) + { + gpio_direction_output(FB_DISPLAY_ON_PIN, 0); + gpio_set_value(FB_DISPLAY_ON_PIN, !FB_DISPLAY_ON_VALUE); + } + if(FB_LCD_STANDBY_PIN != INVALID_GPIO) + { + gpio_direction_output(FB_LCD_STANDBY_PIN, 0); + gpio_set_value(FB_LCD_STANDBY_PIN, !FB_LCD_STANDBY_VALUE); + } + return 0; +} static int rk29_fb_io_init(struct rk29_fb_setting_info *fb_setting) { @@ -278,19 +307,18 @@ static int rk29_fb_io_init(struct rk29_fb_setting_info *fb_setting) gpio_direction_output(FB_LCD_CABC_EN_PIN, 0); gpio_set_value(FB_LCD_CABC_EN_PIN, GPIO_LOW); } + rk29_fb_io_enable(); //enable it return ret; } static struct rk29fb_info rk29_fb_info = { .fb_id = FB_ID, - .disp_on_pin = FB_DISPLAY_ON_PIN, - .disp_on_value = FB_DISPLAY_ON_VALUE, - .standby_pin = FB_LCD_STANDBY_PIN, - .standby_value = FB_LCD_STANDBY_VALUE, .mcu_fmk_pin = FB_MCU_FMK_PIN, .lcd_info = &rk29_lcd_info, .io_init = rk29_fb_io_init, + .io_enable = rk29_fb_io_enable, + .io_disable = rk29_fb_io_disable, }; /* rk29 fb resource */ -- 2.34.1