On 11/19/2012 06:47 PM, Alex Courbot wrote: > On Tuesday 20 November 2012 09:37:41 Mark Zhang wrote: >> Great. So this means I2C2 is used for LCD and HDMI both. While HDMI is >> not plugged, the EDID of LCD will be checked out, right? > > Ahhh. So that's why the LCD DDC was not working during my previous tests - I > had HDMI nodes in my DT as well as the HDMI cable plugged! Indeed, things > seem > to work as you described. I assumed the i2cmux node would set the right pin > configuration according to whether we want to read the LCD or HDMI DDC, but > apparently this is not totally working yet. Glad we figured it out. Adding > the > HDMI nodes to Ventana will probably require to fix this (along with other > things, probably) first.
That is kinda the whole point of the I2C mux... If it really isn't working, can you please investigate why. i2cdump or i2cget would be useful tools for testing this. -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
