[PATCH 1/2] ARM: tegra: add Acer Chromebook 13 device tree
Tomeu Vizoso
tomeu at tomeuvizoso.net
Tue Jan 13 23:02:25 PST 2015
On 14 January 2015 at 01:32, Dylan Reid <dgreid at chromium.org> wrote:
> On Tue, Jan 13, 2015 at 9:49 AM, Tomeu Vizoso <tomeu at tomeuvizoso.net> wrote:
>> On 13 August 2014 at 03:56, Dylan Reid <dgreid at chromium.org> wrote:
>>> The Acer Chromebook 13, codenamed "Big", contains an NVIDIA tegra124
>>> processor and is similar to the Venice2 reference platform.
>>>
>>> The keyboard, USB 2, audio, HDMI, sdcard and emmc have been tested
>>> and work on the 1366x768 models. I haven't tried on the HD systems
>>> yet.
>>
>> Hi Dylan,
>>
>> do you have any notes on how you tested audio? I have been fiddling a
>> bit with amixer but haven't been able to get any sound from the
>> speakers nor the headphones.
>
> I don't have any notes, and it's been a while since I tried it. To
> the best of my knowledge, I loaded the UCM config from the ChromeOS
> tree manually with alsaucm, then enabled/disabled headphones from
> there.
>
> https://chromium.googlesource.com/chromiumos/third_party/adhd/+/master/ucm-config/nyan/NVIDIA%20Tegra%20Venice2/
>
> The important stuff is all in the enable sequence of HiFi.conf
>
> Let me know if that helps.
Thanks, it does work fine now. Will submit that conf file upstream.
Tomeu
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