No Sound Output but Still Loaded

Hi guys, this is my first journey with Arch Linux and this introduction process has been fairly trouble-free with the exception of getting my sound system working.
Right now I'm running a Macbook Pro 6,2 (Mid 2010) with two audio devices: 1) an Intel integrated card(labeled=MID) and 2) a Nvidia HDMI card(label=NVidia). Since I'm not using any HDMI outputs, I'm trying to get the Intel card to output sound but it seems like nothing I do is working. I've combed through both the wiki pages on ALSA and the Macbook#Sound configuration section but so far, it's a no-go. According to /dev/snd, the sound modules are indeed loaded. "speaker-test" has no problem running but there's no sound output. I've tried muting and playing around with volume levels in alsamixer. Right now, I'm guessing that I might have missed something with my .asoundrc? I'm not entirely sure.
Here's all the relevant information...forgive me if I missed anything.
aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: MID [HDA Intel MID], device 0: CS4206 Analog [CS4206 Analog]
Subdevices: 0/1
Subdevice #0: subdevice #0
card 0: MID [HDA Intel MID], device 1: CS4206 Digital [CS4206 Digital]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: NVidia [HDA NVidia], device 3: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: NVidia [HDA NVidia], device 7: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: NVidia [HDA NVidia], device 8: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: NVidia [HDA NVidia], device 9: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
cat /proc/asound/modules
0 snd_hda_intel
1 snd_hda_intel
/etc/mprobe.d/alsa-base.conf - setup according to the Macbook page
options snd_hda_intel model=intel-mac-auto
lsmod | grep '^snd' | column -t
snd_hda_codec_hdmi 49213 4
snd_hda_codec_cirrus 17630 1
snd_hda_codec_generic 63126 1 snd_hda_codec_cirrus
snd_hda_intel 26387 5
snd_hda_controller 26938 1 snd_hda_intel
snd_hda_codec 108536 5 snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_intel,snd_hda_controller,snd_hda_codec_cirrus
snd_hwdep 17244 1 snd_hda_codec
snd_pcm 88487 5 snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel,snd_hda_controller
snd_timer 26614 2 snd_pcm
snd 73436 16 snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_pcm,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel,snd_hda_codec_cirrus
and my .asoundrc includes the following according the the ALSA#configuration wiki...(before and after these additions to .asoundrc didn't make a difference)
pcm.!default {
type hw
card 0
ctl.!default {
type hw
card 0
If someone could lend a hand, I'd greatly appreciate. I know that it can get working since it was working out of the box flawlessly on an Archbang install but I wanted to do things the right way, The Arch Way, this time around.

Hi
I have a similar setup with AMD/ATI devices. Try to set the order of the soundcards (Alsa#Set_the_default_sound_card): Look up your "vid" and "pid" values with "lspci -nn" and change the /etc/modprobe.d/alsa-base.conf to:
# SB [HDA ATI SB]
options snd-hda-intel index=0 model=auto vid=1002 pid=1308
# HDMI [HDA ATI HDMI]
options snd-hda-intel index=1 model=auto vid=1022 pid=780d
...or something like that. After that my soundcard worked but the sound quality was poor (no bass).
Hope this helps.
Last edited by iceflower (2015-01-04 12:46:41)

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