[linux-audio-dev] configuring ALSA support in linux 2.6.11

[chandrasheakhar singh]

Hi,
Thanks , i'm using linux kernel 2.6.11(for h4 from www.kernel.org).
> This should be controlC0.
Yes thats right. Do you suggest  me anything to test or verify in driver as 
default config file for this target (omap_h4_2420_defconfig) does not have ALSA
configuration macro to configure.

BR
chandrashekhar 

 
----- Original Message ----- 
From: "Clemens Ladisch" <clemens at ladisch.de>
To: "The Linux Audio Developers' Mailing List" <linux-audio-dev at music.columbia.edu>
Cc: "chandrasheakhar singh" <cp_singh at faith.co.jp>
Sent: Friday, December 16, 2005 8:57 PM
Subject: Re: [linux-audio-dev] configuring ALSA support in linux 2.6.11


> chandrasheakhar singh wrote:
>> I wanted to configure ALSA for omap 2420 (h4) in linux 2.6.11.
>>
>> CONFIG_SOUND=y
>> CONFIG_SND=y
>> CONFIG_SND_PCM=y
>> CONFIG_SND_OSSEMUL=y
>> CONFIG_SND_MIXER_OSS=y
>> CONFIG_SND_PCM_OSS=y
>> CONFIG_SOUND_OMAP=y
>> CONFIG_SOUND_TSC2101 =y
>>
>> After booting the kernel i can only see the following :
>>
>> dev/snd/mixer
>> dev/snd/mixer
> 
> Are there really two files with the same name?
> 
>> dev/snd/control0
> 
> This should be controlC0.
> 
> What are the actual contents of /dev/snd/?
> 
>> but where is snd/snd which will emulate oss dsp ?????
> 
> OSS PCM emulation would be /dev/dsp, but only if the driver actually has
> a PCM device.  Yours hasn't (there would be an ALSA device, /dev/snd/pcmC0D0p).
> 
>> Can you tell me where i am wrong ????
> 
> Somewhere in the driver source code, which you didn't show.
> 
> 
> HTH
> Clemens
>