you need a debug version of alsa driver to dump the number of SDO and
SDI in Chooser global capabilites
some controller only support two SDO but you have three playback devices
gcap = azx_readw(chip, GCAP);
snd_printdd(SFX "%s: chipset global capabilities = 0x%x\n",
pci_name(chip->pci), gcap);
/* read number of streams from GCAP register instead of using
* hardcoded value
*/
chip->capture_streams = (gcap >> 8) & 0x0f;
chip->playback_streams = (gcap >> 12) & 0x0f;
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https://bugs.launchpad.net/bugs/1249705
Title:
HDMI output not available in 13.10
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