SNDRV_PCM_IOCTL_READI_FRAMES returns EIO

[Muni Sekhar]

On Fri, Jun 11, 2021 at 1:19 PM Takashi Iwai <tiwai at suse.de> wrote:
>
> On Fri, 11 Jun 2021 09:02:44 +0200,
> Muni Sekhar wrote:
> >
> > Hi all,
> >
> > I am using a USB sound card(snd-usb-audio), and it fails while doing
> > the audio recording "arecord: pcm_read:2032: read error: Input/output
> > error".
> >
> >  I noticed recording(arecord) audio data on a USB sound card fails at
> > SNDRV_PCM_IOCTL_READI_FRAMES is giving EIO.
> >
> > Can someone please clarify when the kernel returns EIO for Ioctl
> > SNDRV_PCM_IOCTL_READI_FRAMES? and is there a workaround for this?
>
> It's a problem of either your device (e.g. USB device firmware) or the
> kernel.  Do you get any relevant kernel error messages?
dmesg log does not indicate any such error messages when arecord fails.
Is there a way to prove it as a USB device firmware issue or kernel issue?
Please find the alsamixer output in the attached file alsamixer_output.png file.
>
>
> Takashi



-- 
Thanks,
Sekhar
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