After several successful calls in file alsa-lib/src/pcm/pcm.c, function snd_pcm_hw_writei()
ioctl(fd, SNDRV_PCM_IOCTL_WRITEI_FRAMES, &xferi)
returns an error EIO with fd pointing to /dev/snd/pcmC0D0p.
After several successful calls in file alsa-lib/ src/pcm/ pcm.c, function snd_pcm_hw_writei()
ioctl(fd, SNDRV_PCM_ IOCTL_WRITEI_ FRAMES, &xferi)
returns an error EIO with fd pointing to /dev/snd/pcmC0D0p.