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| author | Koen Kooi <koen@beagleboard.org> | 2009-03-04 10:07:42 -0800 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2009-03-04 10:07:42 -0800 |
| commit | 8ca7fe267f58462825729443f3e3b44ef4901cf0 (patch) | |
| tree | 245bdd14a7e8ffdd6d7613219c0d296f590cca24 /arch/arm/mach-omap2/board-omap3beagle.c | |
| parent | e951651657610305c9af0045fd64c6a5b0bc4b80 (diff) | |
| download | op-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/arm/mach-omap2/board-omap3beagle.c')
| -rw-r--r-- | arch/arm/mach-omap2/board-omap3beagle.c | 4 |
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; } |
