[PATCH 1/3] ARM: dts: imx28-evk: Enable touchscreen support

[Fabio Estevam]

On Sat, Mar 23, 2013 at 10:56 AM, Shawn Guo <shawn.guo at linaro.org> wrote:
> On Fri, Mar 22, 2013 at 03:07:29PM -0300, Fabio Estevam wrote:
>> Shawn,
>>
>> On Mon, Mar 4, 2013 at 12:17 AM, Shawn Guo <shawn.guo at linaro.org> wrote:
>>
>> > I do not understand why.  But it seems to me that applying the patch on
>> > top of v3.9-rc1 results in a silent audio playback on my imx28-evk
>> > board.  Can you confirm that on your side?
>>
>> Can you please re-try against linux-next 20130322?
>>
> Does it even boot for you?  On my side, it stops at the point below.
>
> [    1.600867] ci_hdrc ci_hdrc.0: doesn't support gadget
> [    1.606282] ci_hdrc ci_hdrc.0: EHCI Host Controller
> [    1.613522] ci_hdrc ci_hdrc.0: new USB bus registered, assigned bus number 1

Same here. I forgot to mention I had to disable USB in order to
complete the boot. This USB issue should be addressed separately
though.

>
>> I tried it here and audio playback is normal with touchscreen enabled.
>
> You must have both patches below applied.
>
>  1) ARM: mxs_defconfig: Build CONFIG_INPUT_EVDEV as built-in
>  2) ARM: dts: imx28-evk: Enable touchscreen support
>
> I found that applying either one of the two without applying the other
> will result in a broken audio playback.

With the USB support disabled, I don't see audio playback failure.