An explicit Kconfig dependency is missing for the recent addition of the timer support. CONFIG_SND_TIMER isn't always selected by SND_PCM.
Fixes: 26c53379f98d ("ALSA: aloop: Support selection of snd_timer instead of jiffies") Reported-by: kbuild test robot lkp@intel.com Signed-off-by: Takashi Iwai tiwai@suse.de --- sound/drivers/Kconfig | 1 + 1 file changed, 1 insertion(+)
diff --git a/sound/drivers/Kconfig b/sound/drivers/Kconfig index 15d6d46acf9c..577c8e03ec4d 100644 --- a/sound/drivers/Kconfig +++ b/sound/drivers/Kconfig @@ -92,6 +92,7 @@ config SND_DUMMY config SND_ALOOP tristate "Generic loopback driver (PCM)" select SND_PCM + select SND_TIMER help Say 'Y' or 'M' to include support for the PCM loopback device. This module returns played samples back to the user space using