diff options
| author | Amit Pundir <amit.pundir@linaro.org> | 2015-10-30 03:00:20 +0530 |
|---|---|---|
| committer | John Stultz <john.stultz@linaro.org> | 2016-02-16 13:52:15 -0800 |
| commit | c886eb3e71d67ad2e1231158e44d3880e3821275 (patch) | |
| tree | dbac14e64ba4f6c0d9a276c1607e0bfb570f4ade | |
| parent | fcabd00b4177edfcfd17606b268e10602267ba86 (diff) | |
usb: gadget: build audio_source function only if SND is enabled
Also select SND_PCM while building f_audio_source
otherwise we run into following build error:
LD init/built-in.o
drivers/built-in.o: In function `audio_data_complete':
/linaro/android/kernel/linaro-android/drivers/usb/gadget/function/f_audio_source.c:458: undefined reference to `snd_pcm_period_elapsed'
drivers/built-in.o: In function `audio_pcm_hw_free':
/linaro/android/kernel/linaro-android/drivers/usb/gadget/function/f_audio_source.c:770: undefined reference to `snd_pcm_lib_free_vmalloc_buffer'
drivers/built-in.o: In function `snd_pcm_lib_alloc_vmalloc_buffer':
/linaro/android/kernel/linaro-android/include/sound/pcm.h:1179: undefined reference to `_snd_pcm_lib_alloc_vmalloc_buffer'
drivers/built-in.o: In function `audio_pcm_open':
/linaro/android/kernel/linaro-android/drivers/usb/gadget/function/f_audio_source.c:734: undefined reference to `snd_pcm_limit_hw_rates'
drivers/built-in.o: In function `snd_card_setup':
/linaro/android/kernel/linaro-android/drivers/usb/gadget/function/f_audio_source.c:888: undefined reference to `snd_pcm_new'
/linaro/android/kernel/linaro-android/drivers/usb/gadget/function/f_audio_source.c:898: undefined reference to `snd_pcm_set_ops'
/linaro/android/kernel/linaro-android/drivers/usb/gadget/function/f_audio_source.c:899: undefined reference to `snd_pcm_lib_preallocate_pages_for_all'
drivers/built-in.o:(.data+0x1fd28): undefined reference to `snd_pcm_lib_ioctl'
make: *** [vmlinux] Error 1
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
| -rw-r--r-- | drivers/usb/gadget/Kconfig | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig index 221f2c50d7e2..5cf6802b02ae 100644 --- a/drivers/usb/gadget/Kconfig +++ b/drivers/usb/gadget/Kconfig @@ -407,6 +407,8 @@ config USB_CONFIGFS_F_ACC config USB_CONFIGFS_F_AUDIO_SRC boolean "Audio Source gadget" depends on USB_CONFIGFS && USB_CONFIGFS_F_ACC + depends on SND + select SND_PCM select USB_F_AUDIO_SRC help USB gadget Audio Source support |