linux-kernel - Re: [PATCH -next] staging/line6: needs to select SND

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Message-ID: <s5hhbjjvh9l.wl%tiwai@suse.de>
Date:	Wed, 28 Jul 2010 15:59:50 +0200
From:	Takashi Iwai <tiwai@...e.de>
To:	Randy Dunlap <randy.dunlap@...cle.com>
Cc:	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
	Markus Grabner <grabner@....tugraz.at>, gregkh@...e.de,
	devel@...verdev.osuosl.org
Subject: Re: [PATCH -next] staging/line6: needs to select SND_PCM

At Tue, 27 Jul 2010 12:21:19 -0700,
Randy Dunlap wrote:
> 
> From: Randy Dunlap <randy.dunlap@...cle.com>
> 
> line6 uses snd_pcm*() functions, so it should select SND_PCM.
> 
> ERROR: "snd_pcm_period_elapsed" [drivers/staging/line6/line6usb.ko] undefined!
> ERROR: "snd_pcm_set_ops" [drivers/staging/line6/line6usb.ko] undefined!
> ERROR: "snd_pcm_lib_free_pages" [drivers/staging/line6/line6usb.ko] undefined!
> ERROR: "snd_pcm_lib_ioctl" [drivers/staging/line6/line6usb.ko] undefined!
> ERROR: "snd_pcm_lib_malloc_pages" [drivers/staging/line6/line6usb.ko] undefined!
> ERROR: "snd_pcm_hw_constraint_ratdens" [drivers/staging/line6/line6usb.ko] undefined!
> ERROR: "snd_pcm_format_physical_width" [drivers/staging/line6/line6usb.ko] undefined!
> ERROR: "snd_pcm_lib_preallocate_pages_for_all" [drivers/staging/line6/line6usb.ko] undefined!
> ERROR: "snd_pcm_new" [drivers/staging/line6/line6usb.ko] undefined!
> 
> Signed-off-by: Randy Dunlap <randy.dunlap@...cle.com>
> Cc: Markus Grabner <grabner@....tugraz.at>
> ---
>  drivers/staging/line6/Kconfig |    1 +
>  1 file changed, 1 insertion(+)
> 
> Third patch to staging/line6/Kconfig.  :(
> Developers should know what kernel services their code needs
> and how to configure for those needs.

I think this should be applied rather to 2.6.35 tree.


thanks,

Takashi

> --- linux-next-20100727.orig/drivers/staging/line6/Kconfig
> +++ linux-next-20100727/drivers/staging/line6/Kconfig
> @@ -2,6 +2,7 @@ config LINE6_USB
>  	tristate "Line6 USB support"
>  	depends on USB && SND
>  	select SND_RAWMIDI
> +	select SND_PCM
>  	help
>  	  This is a driver for the guitar amp, cab, and effects modeller
>  	  PODxt Pro by Line6 (and similar devices), supporting the
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