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Hi.
I'm using MSI GE600 laptop. It has built in subwoofer but it is not working. After typing "alsamixer -c 0" in terminal I can see bass speaker column, but I can't change volume which is set at 0. Here are some outputs which may be helpful:
$ amixer
Simple mixer control 'Master',0
Capabilities: pvolume pswitch pswitch-joined
Playback channels: Front Left - Front Right
Limits: Playback 0 - 65536
Mono:
Front Left: Playback 66816 [102%] [on]
Front Right: Playback 66816 [102%] [on]
Simple mixer control 'Capture',0
Capabilities: cvolume cswitch cswitch-joined
Capture channels: Front Left - Front Right
Limits: Capture 0 - 65536
Front Left: Capture 31008 [47%] [on]
Front Right: Capture 31008 [47%] [on]
$ lsmod | grep snd
snd_hda_codec_hdmi 27561 1
snd_hda_codec_realtek 61729 1
snd_hda_intel 27668 5
snd_hda_codec 100743 3 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_intel
snd_hwdep 6429 1 snd_hda_codec
snd_pcm 77827 3 snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel
snd_page_alloc 7427 2 snd_pcm,snd_hda_intel
snd_timer 18935 1 snd_pcm
snd 60157 17 snd_hda_codec_realtek,snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_pcm,snd_hda_codec,snd_hda_intel
soundcore 5443 1 snd
$ aplay --list-devices
**** List of PLAYBACK Hardware Devices ****
card 0: MID [HDA Intel MID], device 0: ALC888 Analog [ALC888 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: MID [HDA Intel MID], device 1: ALC888 Digital [ALC888 Digital]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: Generic [HD-Audio Generic], device 3: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
Does anyone have any clue?
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