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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2011-01-20 10:13:43 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2011-01-20 10:33:30 +0100 |
| commit | b2d4daca9a2c2fbe74dc265ac599b6f74a0358b8 (patch) | |
| tree | 8b8239422275ac15a9bb4c65d459d43b51450c0a | |
| parent | 8e61335543688546abe4afae4ac8d1956575171f (diff) | |
| download | barebox-b2d4daca9a2c2fbe74dc265ac599b6f74a0358b8.tar.gz barebox-b2d4daca9a2c2fbe74dc265ac599b6f74a0358b8.tar.xz | |
ARM chumby: enable backlight in platform data hook
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| -rw-r--r-- | arch/arm/boards/chumby_falconwing/falconwing.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/arm/boards/chumby_falconwing/falconwing.c b/arch/arm/boards/chumby_falconwing/falconwing.c index 966d99b748..09796308b7 100644 --- a/arch/arm/boards/chumby_falconwing/falconwing.c +++ b/arch/arm/boards/chumby_falconwing/falconwing.c @@ -57,6 +57,22 @@ static struct device_d mci_dev = { .platform_data = &mci_pdata, }; +#define GPIO_LCD_RESET 50 +#define GPIO_LCD_BACKLIGHT 60 + +static void chumby_fb_enable(int enable) +{ + gpio_direction_output(GPIO_LCD_RESET, enable); + + /* Give the display a chance to sync before we enable + * the backlight to avoid flickering + */ + if (enable) + mdelay(100); + + gpio_direction_output(GPIO_LCD_BACKLIGHT, enable); +} + static struct fb_videomode falconwing_vmode = { /* * Nanovision NMA35QV65-B2-K01 (directly connected) @@ -87,6 +103,7 @@ static struct imx_fb_videomode fb_mode = { .mode_cnt = 1, /* the NMA35 is a 24 bit display, but only 18 bits are connected */ .ld_intf_width = STMLCDIF_18BIT, + .enable = chumby_fb_enable, }; static struct device_d ldcif_dev = { |