2015-3-31 上午1:03 於 "Swd" <<a href="mailto:sweetthdevil@gmail.com">sweetthdevil@gmail.com</a>> 寫道： > > Thank you for your reply, > > Please see below the output of alsa-info.sh before and after the headphone plugged in > > Before: <a href="http://www.alsa-project.org/db/?f=a316eebf7b150b5897838be37bce4e8c9d95eaae">http://www.alsa-project.org/db/?f=a316eebf7b150b5897838be37bce4e8c9d95eaae</a> > After: <a href="http://www.alsa-project.org/db/?f=0f163003e9005972db5f97f21a45be67816e3801">http://www.alsa-project.org/db/?f=0f163003e9005972db5f97f21a45be67816e3801</a> > > I have 6 Jacks at the rear panel and two at the top (one output one input) > I am afraid I do not know how to switch channel mode to retask. > > Also, the computer is of a certain age, and the issue has started several month ago but I never really looked into it, so I am not sure that change in power management will be relevant has it seems quite recent. > > Looking forward for your reply, > > > Seem lost the digial device 1 for SPDIF out Pin Default 0x985601f0: [Fixed] Digital Out at Int HDMI Is this internal spdif connector ? Control: name="IEC958 Default PCM Playback Switch", index=0, device=0 Device: name="VT1708S Digital", type="HDMI", device=3 APLAY **** List of PLAYBACK Hardware Devices **** card 0: Intel [HDA Intel], device 0: VT1708S Analog [VT1708S Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: Intel [HDA Intel], device 3: VT1708S Digital [VT1708S Digital] Subdevices: 1/1 Subdevice #0: subdevice #0 Node 0x12 [Audio Output] wcaps 0x611: Stereo Digital Control: name="IEC958 Playback Con Mask", index=0, device=0 Control: name="IEC958 Playback Pro Mask", index=0, device=0 Control: name="IEC958 Playback Default", index=0, device=0 Control: name="IEC958 Playback Switch", index=0, device=0 Control: name="IEC958 Default PCM Playback Switch", index=0, device=0 Device: name="VT1708S Digital", type="HDMI", device=3 Converter: stream=5, channel=0 Digital: Digital category: 0x0 IEC Coding Type: 0x0 PCM: rates [0x5e0]: 44100 48000 88200 96000 192000 bits [0xe]: 16 20 24 formats [0x1]: PCM Power states: D0 D1 D2 D3 Power: setting=D0, actual=D0 Node 0x15 [Audio Output] wcaps 0x611: Stereo Digital Converter: stream=5, channel=0 Digital: Digital category: 0x0 IEC Coding Type: 0x0 PCM: rates [0x5e0]: 44100 48000 88200 96000 192000 bits [0xe]: 16 20 24 formats [0x1]: PCM Power states: D0 D1 D2 D3 Power: setting=D0, actual=D0 Node 0x20 [Pin Complex] wcaps 0x400701: Stereo Digital Control: name="HDMI Phantom Jack", index=0, device=0 Pincap 0x00000010: OUT Pin Default 0x985601f0: [Fixed] Digital Out at Int HDMI Conn = Digital, Color = Unknown DefAssociation = 0xf, Sequence = 0x0 Misc = NO_PRESENCE Pin-ctls: 0x40: OUT Power states: D0 D1 D2 D3 Power: setting=D0, actual=D0 Connection: 1 0x12 Node 0x21 [Pin Complex] wcaps 0x400701: Stereo Digital Control: name="SPDIF Phantom Jack", index=0, device=0 Pincap 0x00000010: OUT Pin Default 0x074511f0: [Jack] SPDIF Out at Ext Rear Panel Conn = Optical, Color = Black DefAssociation = 0xf, Sequence = 0x0 Misc = NO_PRESENCE Pin-ctls: 0x40: OUT Power states: D0 D1 D2 D3 Power: setting=D0, actual=D0 Connection: 1 0x15