linux-kernel - [PATCH -next] gadget audio: select SND

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Date:	Fri, 3 Jul 2009 13:26:57 -0700
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Stephen Rothwell <sfr@...b.auug.org.au>,
	akpm <akpm@...ux-foundation.org>, dbrownell@...rs.sourceforge.net
Cc:	linux-next@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
	lud <linux-usb@...r.kernel.org>
Subject: [PATCH -next] gadget audio: select SND_PCM

From: Randy Dunlap <randy.dunlap@...cle.com>

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 <randy.dunlap@...cle.com>
---
 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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