diff options
| author | Sascha Hauer <s.hauer@pengutronix.de> | 2011-01-20 10:13:15 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2011-01-20 10:33:30 +0100 |
| commit | 8e61335543688546abe4afae4ac8d1956575171f (patch) | |
| tree | a913c91a2bc0146b3952c3406e2b52cd4b2e858d | |
| parent | 26aeeb97a09d3850a997a48a3e25c1aecb7b4b42 (diff) | |
| download | barebox-8e61335543688546abe4afae4ac8d1956575171f.tar.gz barebox-8e61335543688546abe4afae4ac8d1956575171f.tar.xz | |
fb i.MX23/28: add platform data hook to enable backlight
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| -rw-r--r-- | arch/arm/mach-stm/include/mach/fb.h | 2 | ||||
| -rw-r--r-- | drivers/video/stm.c | 6 |
2 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/mach-stm/include/mach/fb.h b/arch/arm/mach-stm/include/mach/fb.h index 2eade76eb2..3c53f1a20e 100644 --- a/arch/arm/mach-stm/include/mach/fb.h +++ b/arch/arm/mach-stm/include/mach/fb.h @@ -40,6 +40,8 @@ struct imx_fb_videomode { void *fixed_screen; /**< if != NULL use this as framebuffer memory */ unsigned fixed_screen_size; /**< framebuffer memory size for fixed_screen */ + + void (*enable)(int enable); /**< hook to enable backlight */ }; #endif /* __MACH_FB_H */ diff --git a/drivers/video/stm.c b/drivers/video/stm.c index fc90b6a912..8d6361e936 100644 --- a/drivers/video/stm.c +++ b/drivers/video/stm.c @@ -255,6 +255,9 @@ static void stmfb_enable_controller(struct fb_info *fb_info) writel(CTRL1_FIFO_CLEAR, fbi->base + HW_LCDIF_CTRL1 + BIT_CLR); /* start the engine right now */ writel(CTRL_RUN, fbi->base + HW_LCDIF_CTRL + BIT_SET); + + if (fbi->pdata->enable) + fbi->pdata->enable(1); } static void stmfb_disable_controller(struct fb_info *fb_info) @@ -263,6 +266,9 @@ static void stmfb_disable_controller(struct fb_info *fb_info) unsigned loop; uint32_t reg; + if (fbi->pdata->enable) + fbi->pdata->enable(0); + /* * Even if we disable the controller here, it will still continue * until its FIFOs are running out of data |