Hi Kuninor On 2019-06-25 02:51, Kuninori Morimoto wrote: > Hi Marek > > Thank you for your report. > >>> ALSA SoC is now supporting "no Platform". Sound card doesn't need to >>> select "CPU component" as "Platform" anymore if it doesn't need >>> special Platform. >>> This patch removes such settings. >>> >>> Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx> >> This patch causes regression on Samsung Exynos-based boards: Snow, >> Peach-Pi and Peach-Pit (all that use snow machine driver) since linux >> next-20190620. ASoC device is properly registered, but it is not usable: >> >> [ 3.203006] samsung-i2s 3830000.i2s-sec: DMA channels sourced from >> device 3830000.i2s >> [ 3.213440] snow-audio sound: Failed parsing codec node >> [ 3.423241] snow-audio sound: multicodec <-> samsung-i2s mapping ok >> [ 3.429776] max98095 7-0011: ASoC: mux External MIC has no paths >> [ 3.434513] max98095 7-0011: ASoC: mux Linein Mux has no paths >> [ 4.043488] ALSA device list: >> [ 4.047171] #0: Snow-I2S-MAX98095 >> >> # speaker-test -l1 >> >> speaker-test 1.1.3 >> >> Playback device is default >> Stream parameters are 48000Hz, S16_LE, 1 channels >> Using 16 octaves of pink noise >> Playback open error: -22,Invalid argument > Hmm.. strange... > Can you test normal aplay here ? I'm not familiar with speaker-test. The same issue: # aplay /usr/share/sounds/alsa/Front_Center.wav aplay: main:788: audio open error: Invalid argument # > I have no idea so far, but one capability is that if your system > used / based dummy platform, and if your CPU driver didn't use/have > snd_soc_set_runtime_hwparams() / snd_pcm_lib_ioctl, > it might be happen, but this patch seems not related to it... Reverting this patch fixes the issue, so it is definitely related somehow. Best regards -- Marek Szyprowski, PhD Samsung R&D Institute Poland
