[PATCH] audio: fix audio recording

[Volker Rümelin]

With current code audio recording with all audio backends
except PulseAudio and DirectSound is broken. The generic audio
recording buffer management forgot to update the current read
position after a read.

Fixes: ff095e5231 "audio: api for mixeng code free backends"

Signed-off-by: Volker Rümelin <address@hidden>
---
 audio/audio.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/audio/audio.c b/audio/audio.c
index 7fc3aa9d16..56fae55047 100644
--- a/audio/audio.c
+++ b/audio/audio.c
@@ -1390,6 +1390,7 @@ void *audio_generic_get_buffer_in(HWVoiceIn *hw, size_t 
*size)
         size_t read = hw->pcm_ops->read(hw, hw->buf_emul + hw->pos_emul,
                                         read_len);
         hw->pending_emul += read;
+        hw->pos_emul = (hw->pos_emul + read) % hw->size_emul;
         if (read < read_len) {
             break;
         }
-- 
2.16.4