On Wed, May 21, 2014 at 02:10:09PM -0700, Dylan Reid wrote: > On Wed, May 21, 2014 at 1:55 PM, Thierry Reding > <thierry.reding@xxxxxxxxx> wrote: > > On Tue, May 20, 2014 at 04:28:45PM -0700, Dylan Reid wrote: > >> On Tue, May 20, 2014 at 2:55 PM, Stephen Warren <swarren@xxxxxxxxxxxxx> wrote: > >> > On 05/20/2014 02:37 PM, Dylan Reid wrote: > >> >> On Tue, May 20, 2014 at 11:31 AM, Stephen Warren <swarren@xxxxxxxxxxxxx> wrote: > >> >>> On 05/20/2014 12:24 PM, Stephen Warren wrote: > >> >>>> On 05/19/2014 08:35 PM, Dylan Reid wrote: > >> >>>>> Add a device node for the HDA controller found on Tegra124. > >> > ... > >> >>> Even after fixing that, I can't play audio on Venice2: > >> >>> > >> >>> root@localhost:~# speaker-test -Dhw:0,3 -c 2 > >> >>> > >> >>> speaker-test 1.0.27.1 > >> >>> > >> >>> Playback device is hw:0,3 > >> >>> Stream parameters are 48000Hz, S16_LE, 2 channels > >> >>> Using 16 octaves of pink noise > >> >>> Rate set to 48000Hz (requested 48000Hz) > >> >>> Buffer size range from 64 to 16384 > >> >>> Period size range from 32 to 8192 > >> >>> Using max buffer size 16384 > >> >>> Periods = 4 > >> >>> was set period_size = 4096 > >> >>> was set buffer_size = 16384 > >> >>> 0 - Front Left > >> >>> Write error: -32,Broken pipe > >> >>> Write error: -32,Broken pipe > >> >>> Write error: -32,Broken pipe > >> >>> ^C 1 - Front Right > >> >>> Time per period = 1.799791 > >> >>> > >> >> > >> >> Thanks for checking Stephen. I'll fix the reset name. > >> >> > >> >> This is the state of the tree I used when I tested on Venice2 just now: > >> >> * ae57dbf - (HEAD) ARM: tegra: venice2 - Enable HDA (2 minutes ago) > >> >> * 6224524 - ARM: tegra: Add Tegra124 HDA support (2 minutes ago) > >> >> * 468ca57 - ALSA: hda - Add driver for Tegra SoC HDA (2 minutes ago) > >> >> * 928099e - ALSA: hda/hdmi - Add Nvidia Tegra124 HDMI support (2 minutes ago) > >> >> * 701eac4 - clk: tegra124: Enable hda to hdmi clocks (3 minutes ago) > >> > > >> > Ah, I was missing that clock patch. Hopefully Peter will pick it up for > >> > the Tegra clock tree soon. > >> > > >> > Now I have the same results as Thierry; speaker-test looks like it > >> > should be working, yet I don't hear any audio from the monitor. I know > >> > the monitor works, since I've used it extensively for testing GeForce > >> > GPU HDMI audio. > >> > >> Probably a silly question: Is it un-muted? > >> amixer -c0 cset name='IEC958 Playback Switch' on > > > > Dylan, can you provide more detail about the setup that you're running? > > There have been similar issues in the past where a driver would work if > > it was run on an identical upstream kernel but with a different version > > of the bootloader (or a different bootloader altogether). Can you give > > further details about your setup? Also perhaps providing a dmesg log or > > the clock tree from /sys/kernel/debug/clk/clk_summary could help > > determine the diff between a working and a non-working setup. > > Sure. I'm running this u-boot: > https://chromium.googlesource.com/chromiumos/third_party/u-boot > on commit ddde3e9 of the chromeos-v2013.06 branch. > > I haven't had a chance to flash swarren's u-boot yet it's been one of > those days... > > I attached dmesg and clk_summary. > > I don't have many modifications to the ubuntu-core rootfs. > > Thanks for looking at this, Also perhaps you can share any change to tegra_defconfig that you have for this. Perhaps Stephen and I are simply missing some required option to make it work. Thierry
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