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authorLinus Torvalds <torvalds@linux-foundation.org>2010-08-11 09:13:19 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-11 09:13:19 -0700
commit636d17427b1ef0e97bd9df9b3b0e0f314ff889d3 (patch)
treef573602c1a78e9140c36e220c47675b79af1c270 /drivers/video/imxfb.c
parentdd21e9bdff14a9882f2c485fe533c6ce64ea2675 (diff)
parent0b019a41553a919965bb02d07d54e3e6c57a796d (diff)
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Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (226 commits) ARM: 6323/1: cam60: don't use __init for cam60_spi_{flash_platform_data,partitions} ARM: 6324/1: cam60: move cam60_spi_devices to .init.data ARM: 6322/1: imx/pca100: Fix name of spi platform data ARM: 6321/1: fix syntax error in main Kconfig file ARM: 6297/1: move U300 timer to dynamic clock lookup ARM: 6296/1: clock U300 intcon and timer properly ARM: 6295/1: fix U300 apb_pclk split ARM: 6306/1: fix inverted MMC card detect in U300 ARM: 6299/1: errata: TLBIASIDIS and TLBIMVAIS operations can broadcast a faulty ASID ARM: 6294/1: etm: do a dummy read from OSSRR during initialization ARM: 6292/1: coresight: add ETM management registers ARM: 6288/1: ftrace: document mcount formats ARM: 6287/1: ftrace: clean up mcount assembly indentation ARM: 6286/1: fix Thumb-2 decompressor broken by "Auto calculate ZRELADDR" ARM: 6281/1: video/imxfb.c: allow usage without BACKLIGHT_CLASS_DEVICE ARM: 6280/1: imx: Fix build failure when including <mach/gpio.h> without <linux/spinlock.h> ARM: S5PV210: Fix on missing s3c-sdhci card detection method for hsmmc3 ARM: S5P: Fix on missing S5P_DEV_FIMC in plat-s5p/Kconfig ARM: S5PV210: Override FIMC driver name on Aquila board ARM: S5PC100: enable FIMC on SMDKC100 ... Fix up conflicts in arch/arm/mach-{s5pc100,s5pv210}/cpu.c due to different subsystem 'setname' calls, and trivial port types in include/linux/serial_core.h
Diffstat (limited to 'drivers/video/imxfb.c')
-rw-r--r--drivers/video/imxfb.c19
1 files changed, 17 insertions, 2 deletions
diff --git a/drivers/video/imxfb.c b/drivers/video/imxfb.c
index 43f0639..5c363d0 100644
--- a/drivers/video/imxfb.c
+++ b/drivers/video/imxfb.c
@@ -40,6 +40,12 @@
*/
#define DEBUG_VAR 1
+#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || \
+ (defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE) && \
+ defined(CONFIG_FB_IMX_MODULE))
+#define PWMR_BACKLIGHT_AVAILABLE
+#endif
+
#define DRIVER_NAME "imx-fb"
#define LCDC_SSA 0x00
@@ -175,7 +181,9 @@ struct imxfb_info {
struct imx_fb_videomode *mode;
int num_modes;
+#ifdef PWMR_BACKLIGHT_AVAILABLE
struct backlight_device *bl;
+#endif
void (*lcd_power)(int);
void (*backlight_power)(int);
@@ -450,8 +458,7 @@ static int imxfb_set_par(struct fb_info *info)
return 0;
}
-
-
+#ifdef PWMR_BACKLIGHT_AVAILABLE
static int imxfb_bl_get_brightness(struct backlight_device *bl)
{
struct imxfb_info *fbi = bl_get_data(bl);
@@ -516,6 +523,7 @@ static void imxfb_exit_backlight(struct imxfb_info *fbi)
if (fbi->bl)
backlight_device_unregister(fbi->bl);
}
+#endif
static void imxfb_enable_controller(struct imxfb_info *fbi)
{
@@ -647,6 +655,9 @@ static int imxfb_activate_var(struct fb_var_screeninfo *var, struct fb_info *inf
fbi->regs + LCDC_SIZE);
writel(fbi->pcr, fbi->regs + LCDC_PCR);
+#ifndef PWMR_BACKLIGHT_AVAILABLE
+ writel(fbi->pwmr, fbi->regs + LCDC_PWMR);
+#endif
writel(fbi->lscr1, fbi->regs + LCDC_LSCR1);
writel(fbi->dmacr, fbi->regs + LCDC_DMACR);
@@ -847,7 +858,9 @@ static int __init imxfb_probe(struct platform_device *pdev)
imxfb_enable_controller(fbi);
fbi->pdev = pdev;
+#ifdef PWMR_BACKLIGHT_AVAILABLE
imxfb_init_backlight(fbi);
+#endif
return 0;
@@ -885,7 +898,9 @@ static int __devexit imxfb_remove(struct platform_device *pdev)
imxfb_disable_controller(fbi);
+#ifdef PWMR_BACKLIGHT_AVAILABLE
imxfb_exit_backlight(fbi);
+#endif
unregister_framebuffer(info);
pdata = pdev->dev.platform_data;