Subject: Re: [PATCH -next] gadget audio: select SND_PCM

From: David Brownell <david-b-yBeKhBN/[email-masked]>
Date: Fri, 3 Jul 2009 14:22:01 -0700

On Friday 03 July 2009, Randy Dunlap wrote:
> From: Randy Dunlap <[email-masked]>
> 
> Fix USB gadget audio: select SND_PCM, like many other sound
> drivers do, to fix build errors:
> 
> drivers/built-in.o: In function `f_audio_playback_work':
> audio.c:(.text+0x15a3e7): undefined reference to `snd_pcm_kernel_ioctl'
> audio.c:(.text+0x15a471): undefined reference to `snd_pcm_lib_write'
> drivers/built-in.o: In function `_snd_pcm_hw_param_set':
> audio.c:(.text+0x15aca7): undefined reference to `snd_interval_refine'
> drivers/built-in.o: In function `gaudio_setup':
> (.init.text+0x12adf): undefined reference to `_snd_pcm_hw_params_any'
> drivers/built-in.o: In function `gaudio_setup':
> (.init.text+0x12b43): undefined reference to `snd_pcm_kernel_ioctl'
> 
> Signed-off-by: Randy Dunlap <[email-masked]>

Acked-by: David Brownell <[email-masked]>

> ---
>  drivers/usb/gadget/Kconfig |    1 +
>  1 file changed, 1 insertion(+)
> 
> --- linux-next-20090703.orig/drivers/usb/gadget/Kconfig
> +++ linux-next-20090703/drivers/usb/gadget/Kconfig
> @@ -604,6 +604,7 @@ config USB_ZERO_HNPTEST
>  config USB_AUDIO
>  	tristate "Audio Gadget (EXPERIMENTAL)"
>  	depends on SND
> +	select SND_PCM
>  	help
>  	  Gadget Audio is compatible with USB Audio Class specification 1.0.
>  	  It will include at least one AudioControl interface, zero or more
> 
> 
> 
> 
> ---
> ~Randy
> LPC 2009, Sept. 23-25, Portland, Oregon
> http://linuxplumbersconf.org/2009/
> 
> 

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