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Re: [ANNOUNCE] New Mixer Handling in PA 0.9.16/F12



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Lennart Poettering wrote:

> On Thu, 30.07.09 19:06, Jeff Garzik (jgarzik pobox com) wrote:
> 
>>
>> Lennart Poettering wrote:
>>> Doing digital grabbing of is very reliable these days. The 
analog path
>>> is just completely obsolete.
>>
>> I guess it's an open question why HDA touts multi-analog and 
hw mixing
>> as modern features, then :)
> 
> Oh does it? How about adding some references to this claim? 
Might be
> actually convincing then.
> 
> At least I couldn't find anything googling for 'HDA hardware-
mixing'.
> 
> Nor could I find anything googling for 'HDA multi-analog'.
> 
> Please check your dictionary and look up "to tout". There 
you'll find
> that it means "to solicit, peddle, or persuade importunately". 
It's
> not particularly "importunate" if google can show no trace of 
it, is it?
> 
> And also, please paste a dump of "amixer -c0" for your HDA 
card so
> that we can see that it includes a "CD" control. And the 
contents of
> /proc/asound/pcm would be cool, too, so that we can see your 
HDA card
> does hw mixing.
> 
> If you cannot produce anything of that I'd recommend a good 
ol' cup of
> STFU.
> 
> Lennart
> 

I see a "CD" control here. Not sure if anything indicates hw-
mixing or multi-analog, but here's stuff from a recent (ASUS 
P5Q-VM) motherboard release late 2008[1]:

% amixer -c0
Simple mixer control 'Master',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined
  Playback channels: Mono                                    
  Limits: Playback 0 - 31                                    
  Mono: Playback 31 [100%] [0.00dB] [on]                     
Simple mixer control 'Headphone',0                           
  Capabilities: pswitch                                      
  Playback channels: Front Left - Front Right                
  Mono:                                                      
  Front Left: Playback [on]                                  
  Front Right: Playback [on]                                 
Simple mixer control 'PCM',0                                 
  Capabilities: pvolume                                      
  Playback channels: Front Left - Front Right                
  Limits: Playback 0 - 255                                   
  Mono:                                                      
  Front Left: Playback 255 [100%] [0.00dB]                   
  Front Right: Playback 255 [100%] [0.00dB]                  
Simple mixer control 'Front',0                               
  Capabilities: pvolume pswitch                              
  Playback channels: Front Left - Front Right                
  Limits: Playback 0 - 31                                    
  Mono:                                                      
  Front Left: Playback 17 [55%] [-21.00dB] [on]              
  Front Right: Playback 17 [55%] [-21.00dB] [on]             
Simple mixer control 'Front Mic',0                           
  Capabilities: pvolume pswitch                              
  Playback channels: Front Left - Front Right                
  Limits: Playback 0 - 31                                    
  Mono:                                                      
  Front Left: Playback 0 [0%] [-34.50dB] [off]               
  Front Right: Playback 0 [0%] [-34.50dB] [off]              
Simple mixer control 'Front Mic Boost',0                     
  Capabilities: volume                                       
  Playback channels: Front Left - Front Right                
  Capture channels: Front Left - Front Right                 
  Limits: 0 - 3                                              
  Front Left: 0 [0%]                                         
  Front Right: 0 [0%]                                        
Simple mixer control 'Surround',0                            
  Capabilities: pvolume pswitch                              
  Playback channels: Front Left - Front Right                
  Limits: Playback 0 - 31                                    
  Mono:                                                      
  Front Left: Playback 0 [0%] [-46.50dB] [on]                
  Front Right: Playback 0 [0%] [-46.50dB] [on]               
Simple mixer control 'Center',0                              
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined
  Playback channels: Mono                                    
  Limits: Playback 0 - 31                                    
  Mono: Playback 0 [0%] [-46.50dB] [on]                      
Simple mixer control 'LFE',0                                 
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined
  Playback channels: Mono                                    
  Limits: Playback 0 - 31                                    
  Mono: Playback 0 [0%] [-46.50dB] [on]                      
Simple mixer control 'Side',0                                
  Capabilities: pvolume pswitch                              
  Playback channels: Front Left - Front Right                
  Limits: Playback 0 - 31                                    
  Mono:                                                      
  Front Left: Playback 0 [0%] [-46.50dB] [on]                
  Front Right: Playback 0 [0%] [-46.50dB] [on]               
Simple mixer control 'Line',0                                
  Capabilities: pvolume pswitch                              
  Playback channels: Front Left - Front Right                
  Limits: Playback 0 - 31                                    
  Mono:                                                      
  Front Left: Playback 0 [0%] [-34.50dB] [off]               
  Front Right: Playback 0 [0%] [-34.50dB] [off]              
Simple mixer control 'CD',0                                  
  Capabilities: pvolume pswitch                              
  Playback channels: Front Left - Front Right                
  Limits: Playback 0 - 31                                    
  Mono:                                                      
  Front Left: Playback 0 [0%] [-34.50dB] [on]                
  Front Right: Playback 0 [0%] [-34.50dB] [on]               
Simple mixer control 'Mic',0                                 
  Capabilities: pvolume pswitch                              
  Playback channels: Front Left - Front Right                
  Limits: Playback 0 - 31                                    
  Mono:                                                      
  Front Left: Playback 0 [0%] [-34.50dB] [off]               
  Front Right: Playback 0 [0%] [-34.50dB] [off]              
Simple mixer control 'Mic Boost',0                           
  Capabilities: volume                                       
  Playback channels: Front Left - Front Right                
  Capture channels: Front Left - Front Right                 
  Limits: 0 - 3                                              
  Front Left: 0 [0%]                                         
  Front Right: 0 [0%]                                        
Simple mixer control 'IEC958',0                              
  Capabilities: pswitch pswitch-joined cswitch cswitch-joined
  Playback channels: Mono                                    
  Capture channels: Mono                                     
  Mono: Playback [on] Capture [off]                          
Simple mixer control 'IEC958 Default PCM',0                  
  Capabilities: pswitch pswitch-joined                       
  Playback channels: Mono                                    
  Mono: Playback [on]                                        
Simple mixer control 'PC Speaker',0                          
  Capabilities: pvolume pswitch                              
  Playback channels: Front Left - Front Right                
  Limits: Playback 0 - 31                                    
  Mono:                                                      
  Front Left: Playback 0 [0%] [-34.50dB] [on]
  Front Right: Playback 0 [0%] [-34.50dB] [on]
Simple mixer control 'Capture',0
  Capabilities: cvolume cswitch
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 31
  Front Left: Capture 11 [35%] [0.00dB] [on]
  Front Right: Capture 11 [35%] [0.00dB] [on]
Simple mixer control 'Capture',1
  Capabilities: cvolume cswitch
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 31
  Front Left: Capture 0 [0%] [-16.50dB] [off]
  Front Right: Capture 0 [0%] [-16.50dB] [off]
Simple mixer control 'Channel Mode',0
  Capabilities: enum
  Items: '6ch' '8ch'
  Item0: '6ch'
Simple mixer control 'Input Source',0
  Capabilities: cenum
  Items: 'Mic' 'Front Mic' 'Line' 'CD'
  Item0: 'Mic'
Simple mixer control 'Input Source',1
  Capabilities: cenum
  Items: 'Mic' 'Front Mic' 'Line' 'CD'
  Item0: 'Mic'



% cat /proc/asound/pcm
00-00: ALC1200 Analog : ALC1200 Analog : playback 1 : capture 1
00-01: ALC1200 Digital : ALC1200 Digital : playback 1 : capture 
1
00-02: ALC1200 Analog : ALC1200 Analog : capture 1

[1]http://shopper.cnet.com/4366-3049_9-33343780.html (iG45)

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