Pulse Audio Configuration

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On Sun, 2014-02-23 at 14:07 -0600, Sean McCully wrote:
                                                                                                                                                                                                                                              
> Card #1                                                                                                                                                                                                                                        
>         Name: alsa_card.pci-0000_00_1b.0                                                                                                                                                                                                       
>         Driver: module-alsa-card.c                                                                                                                                                                                                             
>         Owner Module: 7                                                                                                                                                                                                                        
>         Properties:                                                                                                                                                                                                                            
>                 alsa.card = "0"                                                                                                                                                                                                                
>                 alsa.card_name = "HDA Intel PCH"                                                                                                                                                                                               
>                 alsa.long_card_name = "HDA Intel PCH at 0xfbb00000 irq 92"                                                                                                                                                                     
>                 alsa.driver_name = "snd_hda_intel"                                                                                                                                                                                             
>                 device.bus_path = "pci-0000:00:1b.0"                                                                                                                                                                                           
>                 sysfs.path = "/devices/pci0000:00/0000:00:1b.0/sound/card0"                                                                                                                                                                    
>                 device.bus = "pci"                                                                                                                                                                                                             
>                 device.vendor.id = "8086"                                                                                                                                                                                                      
>                 device.vendor.name = "Intel Corporation"                                                                                                                                                                                       
>                 device.product.id = "1d20"
>                 device.product.name = "C600/X79 series chipset High Definition 
> Audio Controller"
>                 device.form_factor = "internal"
>                 device.string = "0"
>                 device.description = "Built-in Audio"
>                 module-udev-detect.discovered = "1"
>                 device.icon_name = "audio-card-pci"
>         Profiles:
>                 input:analog-stereo: Analog Stereo Input (sinks: 0, sources: 
> 1, priority: 60, available: yes)
>                 input:iec958-stereo: Digital Stereo (IEC958) Input (sinks: 0, 
> sources: 1, priority: 55, available: yes)
>                 output:analog-stereo: Analog Stereo Output (sinks: 1, sources: 
> 0, priority: 6000, available: yes)
>                 output:analog-stereo+input:analog-stereo: Analog Stereo Duplex 
> (sinks: 1, sources: 1, priority: 6060, available: yes)
>                 output:analog-stereo+input:iec958-stereo: Analog Stereo Output 
> + Digital Stereo (IEC958) Input (sinks: 1, sources: 1, priority: 6055, 
> available: yes)
>                 output:iec958-stereo: Digital Stereo (IEC958) Output (sinks: 
> 1, sources: 0, priority: 5500, available: yes)
>                 output:iec958-stereo+input:analog-stereo: Digital Stereo 
> (IEC958) Output + Analog Stereo Input (sinks: 1, sources: 1, priority: 5560, 
> available: yes)
>                 output:iec958-stereo+input:iec958-stereo: Digital Stereo 
> Duplex (IEC958) (sinks: 1, sources: 1, priority: 5555, available: yes)
>                 off: Off (sinks: 0, sources: 0, priority: 0, available: yes)
>         Active Profile: output:analog-stereo+input:analog-stereo
>         Ports:
>                 analog-input-mic: Microphone (priority: 8700, latency offset: 0 
> usec, not available)
>                         Properties:
>                                 device.icon_name = "audio-input-microphone"
>                         Part of profile(s): input:analog-stereo, output:analog-
> stereo+input:analog-stereo, output:iec958-stereo+input:analog-stereo
>                 analog-input-linein: Line In (priority: 8100, latency offset: 0 
> usec, available)
>                         Part of profile(s): input:analog-stereo, output:analog-
> stereo+input:analog-stereo, output:iec958-stereo+input:analog-stereo
>                 iec958-stereo-input: Digital Input (S/PDIF) (priority: 0, 
> latency offset: 0 usec)
>                         Part of profile(s): input:iec958-stereo, output:analog-
> stereo+input:iec958-stereo, output:iec958-stereo+input:iec958-stereo
>                 analog-output: Analog Output (priority: 9900, latency offset: 0 
> usec)
>                         Part of profile(s): output:analog-stereo, 
> output:analog-stereo+input:analog-stereo, output:analog-stereo+input:iec958-
> stereo
>                 analog-output-lineout: Line Out (priority: 9900, latency 
> offset: 0 usec, available)
>                         Part of profile(s): output:analog-stereo, 
> output:analog-stereo+input:analog-stereo, output:analog-stereo+input:iec958-
> stereo
>                 analog-output-headphones: Headphones (priority: 9000, latency 
> offset: 0 usec, available)
>                         Properties:
>                                 device.icon_name = "audio-headphones"
>                         Part of profile(s): output:analog-stereo, 
> output:analog-stereo+input:analog-stereo, output:analog-stereo+input:iec958-
> stereo
>                 iec958-stereo-output: Digital Output (S/PDIF) (priority: 0, 
> latency offset: 0 usec)
>                         Part of profile(s): output:iec958-stereo, 
> output:iec958-stereo+input:analog-stereo, output:iec958-stereo+input:iec958-
> stereo

There's no surround profile. Does this command work?

    pasuspender -- speaker-test --channels=6 --device=surround51:0

If not, what error does it give? If it says "Unknown PCM surround51:0",
then this is an alsa bug. There should be a configuration file in
alsa-lib that defines the surround51 device for your sound card.

-- 
Tanu



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