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#1 2016-05-19 23:52:21

hshin23
Member
Registered: 2016-05-19
Posts: 2

Audio Problem on Macbook Pro 12, 1 (2015 early, 13')

Hey guys.
It's funny how audio isn't working on my mac with arch setup.
I don't use any DE, and I got rid of OS X just to stick with arch.

First of all, when I run alsamixer, PCM device is missing, and I do not know how to enable/find the device.

Here are some outputs from commands:

$ lsmod | grep snd
snd_hda_codec_hdmi     53248  1
snd_hda_codec_cirrus    20480  1
snd_hda_codec_generic    69632  1 snd_hda_codec_cirrus
snd_hda_intel          36864  0
snd_hda_codec         106496  4 snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_intel,snd_hda_codec_cirrus
snd_hda_core           49152  5 snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel,snd_hda_codec_cirrus
snd_hwdep              16384  1 snd_hda_codec
snd_pcm                86016  4 snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel,snd_hda_core
snd_timer              28672  1 snd_pcm
snd                    65536  8 snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_pcm,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel,snd_hda_codec_cirrus
soundcore              16384  1 snd
$ aplay --list-devices
**** List of PLAYBACK Hardware Devices ****
card 0: HDMI [HDA Intel HDMI], device 3: HDMI 0 [HDMI 0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: HDMI [HDA Intel HDMI], device 7: HDMI 1 [HDMI 1]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: HDMI [HDA Intel HDMI], device 8: HDMI 2 [HDMI 2]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: PCH [HDA Intel PCH], device 0: CS4208 Analog [CS4208 Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: PCH [HDA Intel PCH], device 1: CS4208 Digital [CS4208 Digital]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
$ aplay --list-pcms
null
    Discard all samples (playback) or generate zero samples (capture)
hdmi:CARD=HDMI,DEV=0
    HDA Intel HDMI, HDMI 0
    HDMI Audio Output
hdmi:CARD=HDMI,DEV=1
    HDA Intel HDMI, HDMI 1
    HDMI Audio Output
hdmi:CARD=HDMI,DEV=2
    HDA Intel HDMI, HDMI 2
    HDMI Audio Output
default:CARD=PCH
    HDA Intel PCH, CS4208 Analog
    Default Audio Device
sysdefault:CARD=PCH
    HDA Intel PCH, CS4208 Analog
    Default Audio Device
front:CARD=PCH,DEV=0
    HDA Intel PCH, CS4208 Analog
    Front speakers
surround21:CARD=PCH,DEV=0
    HDA Intel PCH, CS4208 Analog
    2.1 Surround output to Front and Subwoofer speakers
surround40:CARD=PCH,DEV=0
    HDA Intel PCH, CS4208 Analog
    4.0 Surround output to Front and Rear speakers
surround41:CARD=PCH,DEV=0
    HDA Intel PCH, CS4208 Analog
    4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=PCH,DEV=0
    HDA Intel PCH, CS4208 Analog
    5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=PCH,DEV=0
    HDA Intel PCH, CS4208 Analog
    5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=PCH,DEV=0
    HDA Intel PCH, CS4208 Analog
    7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=PCH,DEV=0
    HDA Intel PCH, CS4208 Digital
    IEC958 (S/PDIF) Digital Audio Output

Any help would be great!

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#2 2016-05-20 06:26:04

hshin23
Member
Registered: 2016-05-19
Posts: 2

Re: Audio Problem on Macbook Pro 12, 1 (2015 early, 13')

Fixed with:

sudo pacman -S alsa-firmware

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