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drivers/media/video/em28xx/: Fix undefined symbol error with CONFIG_SND=N

Without this you get undefined symbol errors with CONFIG_SND=N:

ERROR: "snd_pcm_period_elapsed" [drivers/media/video/em28xx/em28xx-alsa.ko] undefined!
ERROR: "snd_pcm_hw_constraint_integer" [drivers/media/video/em28xx/em28xx-alsa.ko] undefined!
ERROR: "snd_pcm_set_ops" [drivers/media/video/em28xx/em28xx-alsa.ko] undefined!
ERROR: "snd_pcm_lib_ioctl" [drivers/media/video/em28xx/em28xx-alsa.ko] undefined!
ERROR: "snd_card_new" [drivers/media/video/em28xx/em28xx-alsa.ko] undefined!
ERROR: "snd_card_free" [drivers/media/video/em28xx/em28xx-alsa.ko] undefined!
ERROR: "snd_card_register" [drivers/media/video/em28xx/em28xx-alsa.ko] undefined!
ERROR: "snd_pcm_new" [drivers/media/video/em28xx/em28xx-alsa.ko] undefined!

Signed-off-by: S.Çağlar Onur <caglar@pardus.org.tr>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

authored by S.Çağlar Onur and committed by Linus Torvalds 95a940e9 c1cb7953

+2 -1
unified split
+2 -1
drivers/media/video/em28xx/Kconfig
··· 13 module will be called em28xx 14 15 config VIDEO_EM28XX_ALSA 16 - depends on VIDEO_EM28XX 17 tristate "Empia EM28xx ALSA audio module" 18 ---help--- 19 This is an ALSA driver for some Empia 28xx based TV cards.
··· 13 module will be called em28xx 14 15 config VIDEO_EM28XX_ALSA 16 + depends on VIDEO_EM28XX && SND 17 + select SND_PCM 18 tristate "Empia EM28xx ALSA audio module" 19 ---help--- 20 This is an ALSA driver for some Empia 28xx based TV cards.