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authorLinus Torvalds <torvalds@linux-foundation.org>2014-10-18 18:03:02 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-10-18 18:03:02 -0700
commit0a582821d4f8edf41d9b56ae057ee2002fc275f0 (patch)
tree199f0de91106f143c4ec62b6a8598383b422205b /drivers/video/fbdev/atmel_lcdfb.c
parent8a5de18239e418fe7b1f36504834689f754d8ccc (diff)
parent33ac9dba859b07d40e9ec826057d20c857fdede5 (diff)
Merge tag 'fbdev-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux
Pull fbdev updates from Tomi Valkeinen: - new 6x10 font - various small fixes and cleanups * tag 'fbdev-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: (30 commits) fonts: Add 6x10 font videomode: provide dummy inline functions for !CONFIG_OF video/atmel_lcdfb: Introduce regulator support fbdev: sh_mobile_hdmi: Re-init regs before irq re-enable on resume framebuffer: fix screen corruption when copying framebuffer: fix border color arm, fbdev, omap2, LLVMLinux: Remove nested function from omapfb arm, fbdev, omap2, LLVMLinux: Remove nested function from omap2 dss video: fbdev: valkyriefb.c: use container_of to resolve fb_info_valkyrie from fb_info video: fbdev: pxafb.c: use container_of to resolve pxafb_info/layer from fb_info video: fbdev: cyber2000fb.c: use container_of to resolve cfb_info from fb_info video: fbdev: controlfb.c: use container_of to resolve fb_info_control from fb_info video: fbdev: sa1100fb.c: use container_of to resolve sa1100fb_info from fb_info video: fbdev: stifb.c: use container_of to resolve stifb_info from fb_info video: fbdev: sis: sis_main.c: Cleaning up missing null-terminate in conjunction with strncpy video: valkyriefb: Fix unused variable warning in set_valkyrie_clock() video: fbdev: use %*ph specifier to dump small buffers video: mx3fb: always enable BACKLIGHT_LCD_SUPPORT video: fbdev: au1200fb: delete double assignment video: fbdev: sis: delete double assignment ...
Diffstat (limited to 'drivers/video/fbdev/atmel_lcdfb.c')
-rw-r--r--drivers/video/fbdev/atmel_lcdfb.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/video/fbdev/atmel_lcdfb.c b/drivers/video/fbdev/atmel_lcdfb.c
index 1d8bdb92939b..3bf403150a2d 100644
--- a/drivers/video/fbdev/atmel_lcdfb.c
+++ b/drivers/video/fbdev/atmel_lcdfb.c
@@ -24,6 +24,7 @@
#include <linux/of_device.h>
#include <linux/of_gpio.h>
#include <video/of_display_timing.h>
+#include <linux/regulator/consumer.h>
#include <video/videomode.h>
#include <mach/cpu.h>
@@ -60,6 +61,7 @@ struct atmel_lcdfb_info {
struct atmel_lcdfb_pdata pdata;
struct atmel_lcdfb_config *config;
+ struct regulator *reg_lcd;
};
struct atmel_lcdfb_power_ctrl_gpio {
@@ -302,10 +304,24 @@ static void init_contrast(struct atmel_lcdfb_info *sinfo)
static inline void atmel_lcdfb_power_control(struct atmel_lcdfb_info *sinfo, int on)
{
+ int ret;
struct atmel_lcdfb_pdata *pdata = &sinfo->pdata;
if (pdata->atmel_lcdfb_power_control)
pdata->atmel_lcdfb_power_control(pdata, on);
+ else if (sinfo->reg_lcd) {
+ if (on) {
+ ret = regulator_enable(sinfo->reg_lcd);
+ if (ret)
+ dev_err(&sinfo->pdev->dev,
+ "lcd regulator enable failed: %d\n", ret);
+ } else {
+ ret = regulator_disable(sinfo->reg_lcd);
+ if (ret)
+ dev_err(&sinfo->pdev->dev,
+ "lcd regulator disable failed: %d\n", ret);
+ }
+ }
}
static struct fb_fix_screeninfo atmel_lcdfb_fix __initdata = {
@@ -1195,6 +1211,10 @@ static int __init atmel_lcdfb_probe(struct platform_device *pdev)
if (!sinfo->config)
goto free_info;
+ sinfo->reg_lcd = devm_regulator_get(&pdev->dev, "lcd");
+ if (IS_ERR(sinfo->reg_lcd))
+ sinfo->reg_lcd = NULL;
+
info->flags = ATMEL_LCDFB_FBINFO_DEFAULT;
info->pseudo_palette = sinfo->pseudo_palette;
info->fbops = &atmel_lcdfb_ops;