On 15 January 2015 at 08:50, Thierry Reding <thierry.reding@xxxxxxxxx> wrote: > On Wed, Jan 14, 2015 at 08:02:25AM +0100, Tomeu Vizoso wrote: >> On 14 January 2015 at 01:32, Dylan Reid <dgreid@xxxxxxxxxxxx> wrote: >> > On Tue, Jan 13, 2015 at 9:49 AM, Tomeu Vizoso <tomeu@xxxxxxxxxxxxxxx> wrote: >> >> On 13 August 2014 at 03:56, Dylan Reid <dgreid@xxxxxxxxxxxx> 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. > > Out of curiosity, where is "upstream" for UCM configuration files? It'd > be interesting to collect files for other Tegra boards there. I find it > rather tedious figuring out time and time again what control needs to be > toggled to enable a certain output. This is the best we have right now, TTBOMK. http://git.alsa-project.org/?p=alsa-lib.git;a=tree;f=src/conf/ucm Regards, Tomeu > Stephen, since you undoubtedly have the most experience with upstream > audio, do you happen to know if we have something like that for the > other upstream-supported boards? > > Thierry -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html