Igor Grinberg <grinberg@xxxxxxxxxxxxxx> writes: > On 07/26/12 22:30, Kevin Hilman wrote: >> + Zumeng Chen >> >> Igor Grinberg <grinberg@xxxxxxxxxxxxxx> writes: >> >>> Hi Kevin, >>> >>> I've just noticed that the patch has been modified by Arnd in a way >>> that of course will trigger GPIO use without being requested. >>> I'm sorry, I was not available by that time Arnd changed the patch. >> >> Your right, your original patch isn't the problem. I found the root >> cause. >> >> The real problem is actually introduced by the merge of your patch from >> the arm-soc/cleanup branch, and this one from Zumeng Chen: commit >> 16aced80f6 (ARM: OMAP3530evm: set pendown_state and debounce time for >> ads7846) from the arm-soc/boards branch. >> >> However, looking closer at the one from Zumeng, that one is clearly not >> right. It unconditionally adds a *board-specific* ->get_pendown_state >> function to the pdata that is common to *all* boards. That's just wrong >> and has the side-effect of making ->get_pendown_state() wrong on every >> board except the OMAP3EVM. Oops. > > Argh... that should not be applied in first place... Agreed, but it's already in mainline. > I double sorry, I was not available when that conflict was resolved... > The right resolution would be just to revert the 16aced80f6 > (ARM: OMAP3530evm: set pendown_state and debounce time for ads7846), > but who cares now... > >> >> So, IMO, in addition to $SUBJECT patch, in order to get the touchscreen >> GPIO working on non OMAP3EVM boards, we also need something like this as >> well. >> >> Igor, Zumeng, could you try this out on your boards anc confirm if it's >> working? I currently don't have a board setup with a touchscreen in my >> board farm. > > Since you have already dig into this, which branch would be good for testing? git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap-pm.git for_3.6/fixes/ads7846 I just pushed this out, so it might take a bit to propagate to all the mirrors. Kevin -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html