From 8ca7fe267f58462825729443f3e3b44ef4901cf0 Mon Sep 17 00:00:00 2001 From: Koen Kooi Date: Wed, 4 Mar 2009 10:07:42 -0800 Subject: [PATCH] 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 Acked-by: David Brownell Signed-off-by: Tony Lindgren --- arch/arm/mach-omap2/board-omap3beagle.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c index 38c88fbe658d..e39cd2c46cfa 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; } -- 2.20.1