with hda-emu when playing stereo , the driver setup two audio output 0x8 and 0x9 with same stream tag and channel =0
this is not 4 channels output > PCM 0 p 44100 2 16 Open PCM VT1802 Analog for play Available PCM parameters: channels: 2/4 formats: S16_LE S32_LE rates: 44100 48000 88200 96000 192000 Prepare PCM, rate=44100, channels=2, format=16 bits PCM format_val = 0x4011 send: NID=0xe, VERB=0xa00(get_stream_format), PARM=0x0 receive: 0x0 hda_codec_setup_stream: NID=0xe, stream=0x1, channel=0, format=0x4011 send: NID=0xe, VERB=0xf06(get_channel_streamid), PARM=0x0 receive: 0x0 send: NID=0xe, VERB=0x706(set_channel_streamid), PARM=0x10 send: NID=0xe, VERB=0xa00(get_stream_format), PARM=0x0 receive: 0x0 send: NID=0xe, VERB=0x240(set_stream_format), PARM=0x11 hda_codec_setup_stream: NID=0x8, stream=0x1, channel=0, format=0x4011 send: NID=0x8, VERB=0xf06(get_channel_streamid), PARM=0x0 receive: 0x0 send: NID=0x8, VERB=0x706(set_channel_streamid), PARM=0x10 send: NID=0x8, VERB=0xa00(get_stream_format), PARM=0x0 receive: 0x0 send: NID=0x8, VERB=0x240(set_stream_format), PARM=0x11 hda_codec_setup_stream: NID=0x8, stream=0x1, channel=0, format=0x4011 hda_codec_setup_stream: NID=0x9, stream=0x1, channel=0, format=0x4011 send: NID=0x9, VERB=0xf06(get_channel_streamid), PARM=0x0 receive: 0x0 send: NID=0x9, VERB=0x706(set_channel_streamid), PARM=0x10 send: NID=0x9, VERB=0xa00(get_stream_format), PARM=0x0 receive: 0x0 send: NID=0x9, VERB=0x240(set_stream_format), PARM=0x11 PCM Clean up hda_codec_cleanup_stream: NID=0x8 hda_codec_cleanup_stream: NID=0x9 hda_codec_cleanup_stream: NID=0x8 hda_codec_cleanup_stream: NID=0xe Close PCM for 4 channels output node 0x8 with channel =0 and node 0x9 with channel = 2 PCM 0 p 44100 4 16 Open PCM VT1802 Analog for play Available PCM parameters: channels: 2/4 formats: S16_LE S32_LE rates: 44100 48000 88200 96000 192000 Prepare PCM, rate=44100, channels=4, format=16 bits PCM format_val = 0x4013 hda_codec_cleanup_stream: NID=0xe hda_codec_setup_stream: NID=0x8, stream=0x1, channel=0, format=0x4013 send: NID=0x8, VERB=0xa00(get_stream_format), PARM=0x0 receive: 0x4011 send: NID=0x8, VERB=0x240(set_stream_format), PARM=0x13 hda_codec_setup_stream: NID=0x8, stream=0x1, channel=0, format=0x4013 hda_codec_setup_stream: NID=0x9, stream=0x1, channel=2, format=0x4013 send: NID=0x9, VERB=0xf06(get_channel_streamid), PARM=0x0 receive: 0x10 send: NID=0x9, VERB=0x706(set_channel_streamid), PARM=0x12 send: NID=0x9, VERB=0xa00(get_stream_format), PARM=0x0 receive: 0x4011 send: NID=0x9, VERB=0x240(set_stream_format), PARM=0x13 send: NID=0xe, VERB=0x706(set_channel_streamid), PARM=0x0 send: NID=0xe, VERB=0x200(set_stream_format), PARM=0x0 PCM Clean up hda_codec_cleanup_stream: NID=0x8 hda_codec_cleanup_stream: NID=0x9 hda_codec_cleanup_stream: NID=0x8 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/1274401 Title: Internal sub-woofer on Asus G75VW laptop doesn't work. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1274401/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
