audio_dma_callback 823 sound/arm/sa11xx-uda1341.c audio_dma_request(&sa11xx_uda1341->s[SNDRV_PCM_STREAM_PLAYBACK], audio_dma_callback); audio_dma_callback 824 sound/arm/sa11xx-uda1341.c audio_dma_request(&sa11xx_uda1341->s[SNDRV_PCM_STREAM_CAPTURE], audio_dma_callback);