From 6bbe77a79ad7d82e11ab0e76fe14261573a10f71 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Fri, 10 Feb 2012 22:07:09 +0000 Subject: pcm: Constify write buffers Mark the write buffers as const - they won't be modified and this is friendlier to applications. --- include/tinyalsa/asoundlib.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'include') diff --git a/include/tinyalsa/asoundlib.h b/include/tinyalsa/asoundlib.h index a6d5436..cac2786 100644 --- a/include/tinyalsa/asoundlib.h +++ b/include/tinyalsa/asoundlib.h @@ -133,13 +133,13 @@ int pcm_get_htimestamp(struct pcm *pcm, unsigned int *avail, * Will start playback on the first write or on a write that * occurs after a fifo underrun. */ -int pcm_write(struct pcm *pcm, void *data, unsigned int count); +int pcm_write(struct pcm *pcm, const void *data, unsigned int count); int pcm_read(struct pcm *pcm, void *data, unsigned int count); /* * mmap() support. */ -int pcm_mmap_write(struct pcm *pcm, void *data, unsigned int count); +int pcm_mmap_write(struct pcm *pcm, const void *data, unsigned int count); int pcm_mmap_begin(struct pcm *pcm, void **areas, unsigned int *offset, unsigned int *frames); int pcm_mmap_commit(struct pcm *pcm, unsigned int offset, unsigned int frames); -- cgit v1.2.3