[Alsa-user] No sound in headphone on Cherry trail with rt5645

[Daimon Wang via Alsa-user]

Hi,
I've got a CHT Z8350 device with a 4.4 kernel (binary). Sound do work there 
with some amixer settings. But it has other issues on display. 
For that, I'm trying to upgrade the kernel and the display issue is gone. But 
the sound is broken.

With kernel 4.11, the rt5645 is detected successful, and volume is configurable 
in pavucontrol, but the headphone is silent. I achieve this by disable the 
snd_hdmi_lpe_audio. Before that HDMI was always the default card.

I've attached alsa-info form the 2 kernel (suffix with 440 for old kernel, 411 
for new).The main difference I can find is the device node name is different, 
among may other difference in value.
Please let me know if any other info are needed.
Regards,Daimon

alsa-info.tgz
Description: Binary data
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Re: [Alsa-user] Boss BR-80

[Benjamin via Alsa-user]

Hi Clemens hi everyone,

the guys over at linux musicians forum mentioned that it used to work in 
older kernels and then not any more:


https://linuxmusicians.com/viewtopic.php?p=83159#p83159

Does anyone know about this?

Thanks, Ben


On 07.07.2017 09:12, Benjamin wrote:

Hi Clemens,

thanks for your reply!

aplay or arecord doesn't work. (See code below)

Cheers,


Ben




benjamin@microlab:~$ aplay -D hw:CARD=BR80AUDIO,DEV=0 pinknoise.wav
Wiedergabe: WAVE 'pinknoise.wav' : Signed 16 bit Little Endian, Rate: 
44100 Hz, mono

aplay: set_params:1299: Sample-Format nicht unterstützt
Available formats:
- S32_LE
benjamin@microlab:~$ arecord -D hw:CARD=BR80AUDIO,DEV=0 bluenoise.wav
Aufnahme: WAVE 'bluenoise.wav' : Unsigned 8 bit, Rate: 8000 Hz, mono
arecord: set_params:1299: Sample-Format nicht unterstützt
Available formats:
- S32_LE
benjamin@microlab:~$


On 03.07.2017 10:08, Clemens Ladisch wrote:

Benjamin via Alsa-user wrote:

ALSA: poll time out, polled for 34828045 usecs

Apparently, this device is not strictly compatible with the USB Audio
specification and requires some vendor-specific command(s) to work.

Does aplay or arecord alone work?


Regards,
Clemens

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