diff options
| author | Koen Kooi <koen@openembedded.org> | 2008-11-09 10:28:16 +0100 |
|---|---|---|
| committer | Koen Kooi <koen@openembedded.org> | 2008-11-09 10:28:16 +0100 |
| commit | 12f279b37d07e82dadd4e51642cfceb80ccbbce9 (patch) | |
| tree | f7ad833bdd2832690eed8b79879c3e7b4315bf05 | |
| parent | b71fd3c563f96ad4fb6f1d359b114184ccc73274 (diff) | |
linux-omap git: add patch to fix red-tint on omap3evm screens
| -rw-r--r-- | packages/linux/linux-omap/omap3evm/omap3evm-lcd-redtint.diff | 66 | ||||
| -rw-r--r-- | packages/linux/linux-omap_git.bb | 3 |
2 files changed, 68 insertions, 1 deletions
diff --git a/packages/linux/linux-omap/omap3evm/omap3evm-lcd-redtint.diff b/packages/linux/linux-omap/omap3evm/omap3evm-lcd-redtint.diff new file mode 100644 index 0000000000..54ea3c9f68 --- /dev/null +++ b/packages/linux/linux-omap/omap3evm/omap3evm-lcd-redtint.diff @@ -0,0 +1,66 @@ +Message-ID: <c656a4d20809270046u341aec27k6d896d4b42e799d4@mail.gmail.com> +Date: Sat, 27 Sep 2008 03:46:18 -0400 +From: "arun c" <arun.edarath@gmail.com> +To: "Daniel Schaeffer" <daniel.schaeffer@timesys.com> +Subject: Re: OMAP3EVM LCD red tint + +Hi Daniel Schaeffer + +On Fri, Sep 26, 2008 at 4:20 PM, Daniel Schaeffer +<daniel.schaeffer@timesys.com> wrote: +> Has anyone looked into why the LCD display on the OMAP3EVM is always tinted +> red? I created a couple of color test images that I cat'ed to /dev/fb and it +> looks like the blue color channel is completely ignored. I was testing on +> v2.6.26-omap2 but is doesn't look like there have been any changes to the fb +> driver since then so I'm assuming the issue is also present in the head of +> the git tree. +> +> Regards, +> +> Daniel Schaeffer +> + +Try the patch below(Remember that you may have to manually edit because +this patch is against current HEAD) + + +diff --git a/drivers/video/omap/lcd_omap3evm.c +b/drivers/video/omap/lcd_omap3evm.c +index a564ca5..821bafe 100644 +--- a/drivers/video/omap/lcd_omap3evm.c ++++ b/drivers/video/omap/lcd_omap3evm.c +@@ -44,6 +44,8 @@ + #define ENABLE_VDAC_DEV_GRP 0x20 + #define ENABLE_VPLL2_DEDICATED 0x05 + #define ENABLE_VPLL2_DEV_GRP 0xE0 ++#define TWL4030_VPLL2_DEV_GRP 0x33 ++#define TWL4030_VPLL2_DEDICATED 0x36 + + #define TWL_LED_LEDEN 0x00 + #define TWL_PWMA_PWMAON 0x00 +@@ -86,12 +88,24 @@ static void omap3evm_panel_cleanup(struct lcd_panel *panel) + + static int omap3evm_panel_enable(struct lcd_panel *panel) + { ++ if (omap_rev > OMAP3430_REV_ES1_0) { ++ twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, ++ ENABLE_VPLL2_DEDICATED, TWL4030_VPLL2_DEDICATED); ++ twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, ++ ENABLE_VPLL2_DEV_GRP, TWL4030_VPLL2_DEV_GRP); ++ } + omap_set_gpio_dataout(LCD_PANEL_ENABLE_GPIO, 0); + return 0; + } + + static void omap3evm_panel_disable(struct lcd_panel *panel) + { ++ if (omap_rev > OMAP3430_REV_ES1_0) { ++ twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, 0x0, ++ TWL4030_VPLL2_DEDICATED); ++ twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, 0x0, ++ TWL4030_VPLL2_DEV_GRP); ++ } + omap_set_gpio_dataout(LCD_PANEL_ENABLE_GPIO, 1); + } + + diff --git a/packages/linux/linux-omap_git.bb b/packages/linux/linux-omap_git.bb index 72684249b9..66029225c4 100644 --- a/packages/linux/linux-omap_git.bb +++ b/packages/linux/linux-omap_git.bb @@ -10,7 +10,7 @@ SRCREV = "f7429fd378a29cf6947c2613e0fd6e6e36165167" PV = "2.6.27+2.6.28-rc3+${PR}+gitr${SRCREV}" #PV = "2.6.27+${PR}+gitr${SRCREV}" -PR = "r0" +PR = "r1" SRC_URI = "git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6.git;protocol=git \ file://defconfig" @@ -50,6 +50,7 @@ SRC_URI_append_beagleboard = " file://logo_linux_clut224.ppm \ SRC_URI_append_omap3evm = " \ file://evm-mcspi-ts.diff;patch=1 \ + file://omap3evm-lcd-redtint.diff;patch=1 \ " S = "${WORKDIR}/git" |