Same issue here on X1 Yoga 4th gen. Seems alsa sees a bass speaker, but it's stuck at zero and cannot be turned on or otherwise regulated.
Node 0x17 [Pin Complex] wcaps 0x40058d: Stereo Amp-Out Control: name="Bass Speaker Playback Switch", index=0, device=0 ControlAmp: chs=3, dir=Out, idx=0, ofs=0 Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1 Amp-Out vals: [0x00 0x00] Pincap 0x0000001c: OUT HP Detect Pin Default 0x90170111: [Fixed] Speaker at Int N/A Conn = Analog, Color = Unknown DefAssociation = 0x1, Sequence = 0x1 Misc = NO_PRESENCE Pin-ctls: 0x40: OUT Unsolicited: tag=00, enabled=0 Power states: D0 D1 D2 D3 EPSS Power: setting=D0, actual=D0 Connection: 3 0x02* 0x03 0x06 In-driver Connection: 1 0x02
Full alsa info http://alsa-project.org/db/?f=aab3665eede4913070f67e7d8b1b57d17db2633c
Same issue here on X1 Yoga 4th gen. Seems alsa sees a bass speaker, but it's stuck at zero and cannot be turned on or otherwise regulated.
Node 0x17 [Pin Complex] wcaps 0x40058d: Stereo Amp-Out
Control: name="Bass Speaker Playback Switch", index=0, device=0
ControlAmp: chs=3, dir=Out, idx=0, ofs=0
Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
Amp-Out vals: [0x00 0x00]
Pincap 0x0000001c: OUT HP Detect
Pin Default 0x90170111: [Fixed] Speaker at Int N/A
Conn = Analog, Color = Unknown
DefAssociation = 0x1, Sequence = 0x1
Misc = NO_PRESENCE
Pin-ctls: 0x40: OUT
Unsolicited: tag=00, enabled=0
Power states: D0 D1 D2 D3 EPSS
Power: setting=D0, actual=D0
Connection: 3
0x02* 0x03 0x06
In-driver Connection: 1
0x02
Full alsa info http:// alsa-project. org/db/ ?f=aab3665eede4 913070f67e7d8b1 b57d17db2633c