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authorKoen Kooi <koen@beagleboard.org>2009-03-04 10:07:42 -0800
committerTony Lindgren <tony@atomide.com>2009-03-04 10:07:42 -0800
commit8ca7fe267f58462825729443f3e3b44ef4901cf0 (patch)
tree245bdd14a7e8ffdd6d7613219c0d296f590cca24 /arch
parente951651657610305c9af0045fd64c6a5b0bc4b80 (diff)
downloadop-kernel-dev-8ca7fe267f58462825729443f3e3b44ef4901cf0.zip
op-kernel-dev-8ca7fe267f58462825729443f3e3b44ef4901cf0.tar.gz
ARM: OMAP: board-omap3beagle: set i2c-3 to 100kHz
Changing it do 100kHz is needed to make more devices works properly. Controlling the TI DLP Pico projector[1] doesn't work properly at 400kHz, 100kHz and lower work fine. EDID readout is unaffected by this change. [1] http://focus.ti.com/dlpdmd/docs/dlpdiscovery.tsp?sectionId=60&tabId=2234 Signed-off-by: Koen Kooi <koen@beagleboard.org> Acked-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-omap2/board-omap3beagle.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
index 38c88fb..e39cd2c 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -178,7 +178,9 @@ static int __init omap3_beagle_i2c_init(void)
#ifdef CONFIG_I2C2_OMAP_BEAGLE
omap_register_i2c_bus(2, 400, NULL, 0);
#endif
- omap_register_i2c_bus(3, 400, NULL, 0);
+ /* Bus 3 is attached to the DVI port where devices like the pico DLP
+ * projector don't work reliably with 400kHz */
+ omap_register_i2c_bus(3, 100, NULL, 0);
return 0;
}
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