From 18a2b9623370479d1646b9b94e3528683f3b74de Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Wed, 28 Sep 2011 17:12:59 +0200 Subject: ALSA: pcm - Export snd_pcm_lib_default_mmap() helper Export the default mmap function, snd_pcm_lib_default_mmap(). The upcoming non-snooping support in HD-audio driver will use this to override the mmap method. Signed-off-by: Takashi Iwai --- include/sound/pcm.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include/sound/pcm.h') diff --git a/include/sound/pcm.h b/include/sound/pcm.h index 57e71fa33f7c..249d98838d90 100644 --- a/include/sound/pcm.h +++ b/include/sound/pcm.h @@ -1035,6 +1035,8 @@ static inline void snd_pcm_mmap_data_close(struct vm_area_struct *area) atomic_dec(&substream->mmap_count); } +int snd_pcm_lib_default_mmap(struct snd_pcm_substream *substream, + struct vm_area_struct *area); /* mmap for io-memory area */ #if defined(CONFIG_X86) || defined(CONFIG_PPC) || defined(CONFIG_ALPHA) #define SNDRV_PCM_INFO_MMAP_IOMEM SNDRV_PCM_INFO_MMAP -- cgit v1.2.3