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2010-01-13 09:32:30

本人有一台USB电话机,里面采用的是CM109 USB声卡芯片。把电话通过USB线链接到电脑U口中,可以用做音响用,因为WINDOWS,UBUNTU都自带USB声卡驱动,于是我就有了用我的S3C2440平台接上电话机实现外挂音响的想法。

我用的是LINUX 2.6.30的内核,首先去掉开发板自带的声卡驱动。


                                      --- Advanced Linux Sound Architecture                                                                       │ │ 
  │ │                                      < >   Sequencer support                                                                                     │ │ 
  │ │                                      <*>   OSS Mixer API                                                                                         │ │ 
  │ │                                      <*>   OSS PCM (digital audio) API                                                                           │ │ 
  │ │                                      [*]     OSS PCM (digital audio) API - Include plugin system                                                 │ │ 
  │ │                                      [ ]   Dynamic device file minor numbers                                                                     │ │ 
  │ │                                      [*]   Support old ALSA API                                                                                  │ │ 
  │ │                                      [*]   Verbose procfs contents                                                                               │ │ 
  │ │                                      [ ]   Verbose printk                                                                                        │ │ 
  │ │                                      [ ]   Debug                                                                                                 │ │ 
  │ │                                      [ ]   Generic sound devices  --->                                                                           │ │ 
  │ │                                      [ ]   ARM sound devices  --->                                                                               │ │ 
  │ │                                      [*]   USB sound devices  --->                                                                               │ │ 
  │ │                                      < >   ALSA for SoC audio support  --->                                                                      │ │ 
  │ │                                                                                   
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