are you using latest alsa driver since you cannot playback 4 or 6 channles ?
using hda-emu , max channels is already 6 but channel still 0 for audio output 0x3 and 0x4 headphone , line out and all speakers get the front only > PCM 0 p 48000 6 16 Open PCM ALC892 Analog for play Available PCM parameters: channels: 2/6 formats: S16_LE S32_LE rates: 44100 48000 96000 192000 Prepare PCM, rate=48000, channels=6, format=16 bits PCM format_val = 0x15 hda_codec_cleanup_stream: NID=0x6 hda_codec_setup_stream: NID=0x5, stream=0x1, channel=0, format=0x15 send: NID=0x5, VERB=0xf06(get_channel_streamid), PARM=0x0 receive: 0x0 send: NID=0x5, VERB=0x706(set_channel_streamid), PARM=0x10 send: NID=0x5, VERB=0xa00(get_stream_format), PARM=0x0 receive: 0x0 send: NID=0x5, VERB=0x200(set_stream_format), PARM=0x15 hda_codec_setup_stream: NID=0x25, stream=0x1, channel=0, format=0x15 send: NID=0x25, VERB=0xf06(get_channel_streamid), PARM=0x0 receive: 0x0 send: NID=0x25, VERB=0x706(set_channel_streamid), PARM=0x10 send: NID=0x25, VERB=0xa00(get_stream_format), PARM=0x0 receive: 0x0 send: NID=0x25, VERB=0x200(set_stream_format), PARM=0x15 hda_codec_setup_stream: NID=0x2, stream=0x1, channel=0, format=0x15 send: NID=0x2, VERB=0xf06(get_channel_streamid), PARM=0x0 receive: 0x0 send: NID=0x2, VERB=0x706(set_channel_streamid), PARM=0x10 send: NID=0x2, VERB=0xa00(get_stream_format), PARM=0x0 receive: 0x0 send: NID=0x2, VERB=0x200(set_stream_format), PARM=0x15 hda_codec_setup_stream: NID=0x4, stream=0x1, channel=0, format=0x15 send: NID=0x4, VERB=0xf06(get_channel_streamid), PARM=0x0 receive: 0x0 send: NID=0x4, VERB=0x706(set_channel_streamid), PARM=0x10 send: NID=0x4, VERB=0xa00(get_stream_format), PARM=0x0 receive: 0x0 send: NID=0x4, VERB=0x200(set_stream_format), PARM=0x15 hda_codec_setup_stream: NID=0x3, stream=0x1, channel=0, format=0x15 send: NID=0x3, VERB=0xf06(get_channel_streamid), PARM=0x0 receive: 0x0 send: NID=0x3, VERB=0x706(set_channel_streamid), PARM=0x10 send: NID=0x3, VERB=0xa00(get_stream_format), PARM=0x0 receive: 0x0 send: NID=0x3, VERB=0x200(set_stream_format), PARM=0x15 PCM Clean up hda_codec_cleanup_stream: NID=0x5 hda_codec_cleanup_stream: NID=0x25 hda_codec_cleanup_stream: NID=0x2 hda_codec_cleanup_stream: NID=0x4 hda_codec_cleanup_stream: NID=0x3 Close PCM -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1236965 Title: pulseaudio does not recognize internal speakers [P180HMx, Realtek ALC892, Speaker, Internal] volume slider problem To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1236965/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
