[PATCH] updated proper-backlight-selection-for-fbdev-drivers.patch
From: James Simmons <hidden>
Date: 2006-12-13 15:32:25
Also in:
lkml
Subsystem:
framebuffer layer, the rest · Maintainers:
Helge Deller, Linus Torvalds
Signed-Off-By: James Simmons <redacted> Here is the updated patch for proper backlight selection.
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index 4e83f01..39d8783 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig@@ -4,20 +4,9 @@ menu "Graphics support" -config FIRMWARE_EDID - bool "Enable firmware EDID" - default y - ---help--- - This enables access to the EDID transferred from the firmware. - On the i386, this is from the Video BIOS. Enable this if DDC/I2C - transfers do not work for your driver and if you are using - nvidiafb, i810fb or savagefb. - - In general, choosing Y for this option is safe. If you - experience extremely long delays while booting before you get - something on your display, try setting this to N. Matrox cards in - combination with certain motherboards and monitors are known to - suffer from this problem. +if SYSFS + source "drivers/video/backlight/Kconfig" +endif config FB tristate "Support for frame buffer devices"
@@ -53,9 +42,27 @@ config FB (e.g. an accelerated X server) and that are not frame buffer device-aware may cause unexpected results. If unsure, say N. +config FIRMWARE_EDID + bool "Enable firmware EDID" + depends on FB + default n + ---help--- + This enables access to the EDID transferred from the firmware. + On the i386, this is from the Video BIOS. Enable this if DDC/I2C + transfers do not work for your driver and if you are using + nvidiafb, i810fb or savagefb. + + In general, choosing Y for this option is safe. If you + experience extremely long delays while booting before you get + something on your display, try setting this to N. Matrox cards in + combination with certain motherboards and monitors are known to + suffer from this problem. + config FB_DDC tristate - depends on FB && I2C && I2C_ALGOBIT + depends on FB + select I2C_ALGOBIT + select I2C default n config FB_CFB_FILLRECT
@@ -126,6 +133,9 @@ config FB_TILEBLITTING This is particularly important to one driver, matroxfb. If unsure, say N. +comment "Frambuffer hardware drivers" + depends on FB + config FB_CIRRUS tristate "Cirrus Logic support" depends on FB && (ZORRO || PCI)
@@ -703,6 +713,7 @@ config FB_NVIDIA depends on FB && PCI select I2C_ALGOBIT if FB_NVIDIA_I2C select I2C if FB_NVIDIA_I2C + select FB_BACKLIGHT if FB_NVIDIA_BACKLIGHT select FB_MODE_HELPERS select FB_CFB_FILLRECT select FB_CFB_COPYAREA
@@ -731,8 +742,7 @@ config FB_NVIDIA_I2C config FB_NVIDIA_BACKLIGHT bool "Support for backlight control" - depends on FB_NVIDIA && PMAC_BACKLIGHT - select FB_BACKLIGHT + depends on FB_NVIDIA default y help Say Y here if you want to control the backlight of your display.
@@ -740,9 +750,8 @@ config FB_NVIDIA_BACKLIGHT config FB_RIVA tristate "nVidia Riva support" depends on FB && PCI - select I2C_ALGOBIT if FB_RIVA_I2C - select I2C if FB_RIVA_I2C select FB_DDC if FB_RIVA_I2C + select FB_BACKLIGHT if FB_RIVA_BACKLIGHT select FB_MODE_HELPERS select FB_CFB_FILLRECT select FB_CFB_COPYAREA
@@ -779,8 +788,7 @@ config FB_RIVA_DEBUG config FB_RIVA_BACKLIGHT bool "Support for backlight control" - depends on FB_RIVA && PMAC_BACKLIGHT - select FB_BACKLIGHT + depends on FB_RIVA default y help Say Y here if you want to control the backlight of your display.
@@ -830,8 +838,6 @@ config FB_I810_GTF config FB_I810_I2C bool "Enable DDC Support" depends on FB_I810 && FB_I810_GTF - select I2C - select I2C_ALGOBIT select FB_DDC help
@@ -1021,9 +1027,8 @@ config FB_MATROX_MULTIHEAD config FB_RADEON tristate "ATI Radeon display support" depends on FB && PCI - select I2C_ALGOBIT if FB_RADEON_I2C - select I2C if FB_RADEON_I2C select FB_DDC if FB_RADEON_I2C + select FB_BACKLIGHT if FB_RADEON_BACKLIGHT select FB_MODE_HELPERS select FB_CFB_FILLRECT select FB_CFB_COPYAREA
@@ -1053,8 +1058,7 @@ config FB_RADEON_I2C config FB_RADEON_BACKLIGHT bool "Support for backlight control" - depends on FB_RADEON && PMAC_BACKLIGHT - select FB_BACKLIGHT + depends on FB_RADEON default y help Say Y here if you want to control the backlight of your display.
@@ -1074,6 +1078,7 @@ config FB_ATY128 select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT + select FB_BACKLIGHT if FB_ATY128_BACKLIGHT select FB_MACMODES if PPC_PMAC help This driver supports graphics boards with the ATI Rage128 chips.
@@ -1085,8 +1090,7 @@ config FB_ATY128 config FB_ATY128_BACKLIGHT bool "Support for backlight control" - depends on FB_ATY128 && PMAC_BACKLIGHT - select FB_BACKLIGHT + depends on FB_ATY128 default y help Say Y here if you want to control the backlight of your display.
@@ -1097,6 +1101,7 @@ config FB_ATY select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT + select FB_BACKLIGHT if FB_ATY_BACKLIGHT select FB_MACMODES if PPC help This driver supports graphics boards with the ATI Mach64 chips.
@@ -1135,8 +1140,7 @@ config FB_ATY_GX config FB_ATY_BACKLIGHT bool "Support for backlight control" - depends on FB_ATY && PMAC_BACKLIGHT - select FB_BACKLIGHT + depends on FB_ATY default y help Say Y here if you want to control the backlight of your display.
@@ -1150,8 +1154,6 @@ config FB_S3TRIO config FB_SAVAGE tristate "S3 Savage support" depends on FB && PCI && EXPERIMENTAL - select I2C_ALGOBIT if FB_SAVAGE_I2C - select I2C if FB_SAVAGE_I2C select FB_DDC if FB_SAVAGE_I2C select FB_MODE_HELPERS select FB_CFB_FILLRECT
@@ -1646,6 +1648,7 @@ config FB_VIRTUAL the vfb_enable=1 option. If unsure, say N. + if VT source "drivers/video/console/Kconfig" endif
@@ -1654,9 +1657,5 @@ if FB || SGI_NEWPORT_CONSOLE source "drivers/video/logo/Kconfig" endif -if SYSFS - source "drivers/video/backlight/Kconfig" -endif - endmenu
diff --git a/drivers/video/aty/aty128fb.c b/drivers/video/aty/aty128fb.c
index 3feddf8..d44b4f9 100644
--- a/drivers/video/aty/aty128fb.c
+++ b/drivers/video/aty/aty128fb.c@@ -2215,7 +2215,7 @@ static int aty128fb_blank(int blank, struct fb_info *fb) return 0; #ifdef CONFIG_FB_ATY128_BACKLIGHT - if (machine_is(powermac) && blank) + if (blank) aty128_bl_set_power(fb, FB_BLANK_POWERDOWN); #endif
@@ -2234,7 +2234,7 @@ static int aty128fb_blank(int blank, struct fb_info *fb) } #ifdef CONFIG_FB_ATY128_BACKLIGHT - if (machine_is(powermac) && !blank) + if (!blank) aty128_bl_set_power(fb, FB_BLANK_UNBLANK); #endif
diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c
index 176f9b8..e379cbd 100644
--- a/drivers/video/aty/atyfb_base.c
+++ b/drivers/video/aty/atyfb_base.c@@ -2818,7 +2818,7 @@ static int atyfb_blank(int blank, struct fb_info *info) return 0; #ifdef CONFIG_FB_ATY_BACKLIGHT - if (machine_is(powermac) && blank > FB_BLANK_NORMAL) + if (blank > FB_BLANK_NORMAL) aty_bl_set_power(info, FB_BLANK_POWERDOWN); #elif defined(CONFIG_FB_ATY_GENERIC_LCD) if (par->lcd_table && blank > FB_BLANK_NORMAL &&
@@ -2850,7 +2850,7 @@ static int atyfb_blank(int blank, struct fb_info *info) aty_st_le32(CRTC_GEN_CNTL, gen_cntl, par); #ifdef CONFIG_FB_ATY_BACKLIGHT - if (machine_is(powermac) && blank <= FB_BLANK_NORMAL) + if (blank <= FB_BLANK_NORMAL) aty_bl_set_power(info, FB_BLANK_UNBLANK); #elif defined(CONFIG_FB_ATY_GENERIC_LCD) if (par->lcd_table && blank <= FB_BLANK_NORMAL && -------------------------------------------------------------------------
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