[alsa-devel] Intel Cherry Trail platform sound issue

[Koul, Vinod]

On Fri, 2015-11-06 at 17:15 +0800, Zhihe Tu wrote:
> 
> Hi All,
> 
> I get cherry trail tablet, and install ubuntu14.04.3, Kernel verison
> is 3.19.  The table using rt5672 codec with no sound output in ubuntu,
> but it works in win8.
> 
> I get intel sst firmware fw_sst_22a8.bin from https://git.kernel.org/c
> git/linux/kernel/git/firmware/linux-firmware.git/tree/intel
> The driver load the firmware successfully and I change some alsa mixer
> items:
> amixer -c0 sset 'codec_out0 mix 0 pcm0_in' on
> amixer -c0 sset 'media0_out mix 0 media1_in' on
> amixer -c0 sset 'media1_in Gain 0' 80% 
> amixer -c0 sset 'media1_in Gain 0 Ramp Delay' 50
> amixer -c0 sset 'media1_in Gain 0' off
> amixer -c0 sset 'pcm0_in Gain 0' 80% 
> amixer -c0 sset 'pcm0_in Gain 0 Ramp Delay' 50
> amixer -c0 sset 'pcm0_in Gain 0' off
> amixer -c0 sset 'codec_out0 Gain 0' 80%
> amixer -c0 sset 'codec_out0 Gain 0 Ramp Delay' 50
> amixer -c0 sset 'codec_out0 Gain 0' off
> 
> But there are some errors with dmesg:
> 
>  [   16.359646]  Audio Port: ASoC: no backend DAIs enabled for Audio
> Port
> …
> [   16.382156] sst-mfld-platform sst-mfld-platform: Enter: enable=0
> port_name=ssp2-port
> [   16.383984] sst-mfld-platform sst-mfld-platform: Enter: enable=1
> port_name=ssp2-port
> [   16.541809] intel_sst_acpi 808622A8:00: Alloc for str 1 pipe 0x90
> [   17.545512] intel_sst_acpi 808622A8:00: Wait timed-out
> condition:0x0, msg_id:0x1 fw_state 0x2

So looks like fw load is failing here. 

Can you tell me output of below cmd

cat /proc/interrupts


Thanks
-- 
~Vinod