snd_ali_modem_open 1604 sound/pci/ali5451/ali5451.c return snd_ali_modem_open(substream, 0, ALI_MODEM_OUT_CHANNEL); snd_ali_modem_open 1609 sound/pci/ali5451/ali5451.c return snd_ali_modem_open(substream, 1, ALI_MODEM_IN_CHANNEL);