diff options
| author | Andrew Ryabinin <ryabinin.a.a@gmail.com> | 2013-02-16 18:10:15 +0400 |
|---|---|---|
| committer | Andrew Ryabinin <ryabinin.a.a@gmail.com> | 2013-02-16 18:21:36 +0400 |
| commit | 3fd11c370e91b1dcd762743fb5ed6b12001c0de7 (patch) | |
| tree | e3c1a2bd107d24d5ad832b1781bfb2e854f4a010 /firmware/target/arm/rk27xx | |
| parent | 527b1885a14d8f624a5ab38e9b9e977c525fa691 (diff) | |
hm60x: Fix white screen bug.
Lcd should be reseted after power is supplied.
Change-Id: I2a47ffb7d9b20d9ef2ad90aee15f4ada2fdd7f2e
Diffstat (limited to 'firmware/target/arm/rk27xx')
| -rw-r--r-- | firmware/target/arm/rk27xx/lcd-hifiman.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/firmware/target/arm/rk27xx/lcd-hifiman.c b/firmware/target/arm/rk27xx/lcd-hifiman.c index 1c42921a42..58f957b613 100644 --- a/firmware/target/arm/rk27xx/lcd-hifiman.c +++ b/firmware/target/arm/rk27xx/lcd-hifiman.c @@ -30,6 +30,15 @@ static bool display_on = false; +static void reset_lcd(void) +{ + GPIO_PCCON |= (1<<7); + GPIO_PCDR &= ~(1<<7); + udelay(10); + GPIO_PCDR |= (1<<7); + udelay(5000); +} + void lcd_v1_display_init(void) { unsigned int x, y; @@ -286,6 +295,7 @@ static void lcd_v2_update_rect(int x, int y, int width, int height) void lcd_display_init(void) { + reset_lcd(); identify_lcd(); if (lcd_type == LCD_V1) lcd_v1_display_init(); @@ -323,6 +333,7 @@ void lcd_update_rect(int x, int y, int width, int height) void lcd_display_init(void) { + reset_lcd(); lcd_v1_display_init(); } |