From faaa6972a2846b43366887bc0779c6c1be20a16f Mon Sep 17 00:00:00 2001 From: dvdli Date: Wed, 28 Oct 2020 22:18:40 +0800 Subject: AOSP CL "Export pcm_mmap_avail" https://android.googlesource.com/platform/external/tinyalsa/+/9074cfc4127cb841f0633b35895141f90da3f0d6 commit 9074cfc4127cb841f0633b35895141f90da3f0d6 author Dylan Reid Export pcm_mmap_avail This is useful for timer based wakeups and for checking how much data has been captured by a hotwording device. Change-Id: I409201a5c9ce73abc807a9dd767beb3a32810f06 Signed-off-by: Dylan Reid --- include/tinyalsa/pcm.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include') diff --git a/include/tinyalsa/pcm.h b/include/tinyalsa/pcm.h index f32e11d..a49746c 100644 --- a/include/tinyalsa/pcm.h +++ b/include/tinyalsa/pcm.h @@ -341,6 +341,8 @@ int pcm_mmap_begin(struct pcm *pcm, void **areas, unsigned int *offset, unsigned int pcm_mmap_commit(struct pcm *pcm, unsigned int offset, unsigned int frames); +int pcm_mmap_avail(struct pcm *pcm); + int pcm_link(struct pcm *pcm1, struct pcm *pcm2); int pcm_unlink(struct pcm *pcm); -- cgit v1.2.3