[SOLVED] IQaudio no sound after january 2018 update

I have suddenly no sound after the january 2018 update (for reference I was one of the early testers of the stretch so I migrated to that some months ago).

in dmesg I have a lot of muting going on?!?

[ 5.500719] snd-rpi-iqaudio-dac soc:sound: ASoC: CODEC DAI pcm512x-hifi not registered - will retry
[ 5.550830] snd-rpi-iqaudio-dac soc:sound: pcm512x-hifi ↔ 3f203000.i2s mapping ok

[ 23.370818] snd-rpi-iqaudio-dac soc:sound: snd_rpi_iqaudio_gpio_unmute: un-muting amp using GPIO22
[ 27.301104] Console: switching to colour dummy device 80x30
[ 194.889505] snd-rpi-iqaudio-dac soc:sound: snd_rpi_iqaudio_gpio_mute: muting amp using GPIO22
[ 578.058248] pcm512x 1-004c: No SCLK, using BCLK: -2
[ 578.060600] snd-rpi-iqaudio-dac soc:sound: snd_rpi_iqaudio_gpio_unmute: un-muting amp using GPIO22
[ 591.691821] snd-rpi-iqaudio-dac soc:sound: snd_rpi_iqaudio_gpio_mute: muting amp using GPIO22
[ 681.895878] pcm512x 1-004c: No SCLK, using BCLK: -2
[ 681.918607] snd-rpi-iqaudio-dac soc:sound: snd_rpi_iqaudio_gpio_unmute: un-muting amp using GPIO22
[ 691.052125] snd-rpi-iqaudio-dac soc:sound: snd_rpi_iqaudio_gpio_mute: muting amp using GPIO22
[ 1247.845369] pcm512x 1-004c: No SCLK, using BCLK: -2
[ 1247.873948] snd-rpi-iqaudio-dac soc:sound: snd_rpi_iqaudio_gpio_unmute: un-muting amp using GPIO22
[ 1259.293556] snd-rpi-iqaudio-dac soc:sound: snd_rpi_iqaudio_gpio_mute: muting amp using GPIO22
[ 1265.220322] pcm512x 1-004c: No SCLK, using BCLK: -2
[ 1265.223660] snd-rpi-iqaudio-dac soc:sound: snd_rpi_iqaudio_gpio_unmute: un-muting amp using GPIO22
[ 1276.653554] snd-rpi-iqaudio-dac soc:sound: snd_rpi_iqaudio_gpio_mute: muting amp using GPIO22

aplay -l looks normal:

osmc@osmc:~$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: IQaudIODAC [IQaudIODAC], device 0: IQaudIO DAC HiFi pcm512x-hifi-0
Subdevices: 1/1
Subdevice #0: subdevice #0

Anyone else with same issue, or is it just me?

SOLUTION: turn off and clean a bit, maybe related to something touching gpio22…

How can i install the previous kernel, to test if that is the difference on my system?

edit: just tried “4.9.29-13-osmc”, and same issue, so maybe not the update then but something on my side… I guess next off is antoher image on the same system.

Anything touching GPIO22 ?

fair guess, I’ll check, but the muting in dmesg in top post was due to me trying “auto_mute_amp” in config.txt… now “unmute_amp” it is not there anymore. And as far as I can read is the “pcm512x 1-004c: No SCLK, using BCLK: -2” also something people see in dmesg when working normal, so probably not related…

HA! thanks @paulwebster… turned it off and blew som dust off, and now it is playing?!? weird stuff, but good thing it was not osmc related :slight_smile:

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