[ALSA] pcm_oss - fix SNDCTL_DSP_GETOPTR not working correctly
ALSA<-OSS emulation
This patch changes snd_pcm_oss_bytes() by adding a local variable
for the frames -> bytes conversion, which means that the frame count
is no longer corrupted by this conversion.
Signed-off-by: Roger Mach <bigmach@us.ibm.com>
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c
index 6c8fdca..6f90dbb 100644
--- a/sound/core/oss/pcm_oss.c
+++ b/sound/core/oss/pcm_oss.c
@@ -124,11 +124,12 @@
static long snd_pcm_oss_bytes(snd_pcm_substream_t *substream, long frames)
{
+ long bytes = 0;
snd_pcm_runtime_t *runtime = substream->runtime;
snd_pcm_uframes_t buffer_size = snd_pcm_lib_buffer_bytes(substream);
- frames = frames_to_bytes(runtime, frames);
+ bytes = frames_to_bytes(runtime, frames);
if (buffer_size == runtime->oss.buffer_bytes)
- return frames;
+ return bytes;
return (runtime->oss.buffer_bytes * frames) / buffer_size;
}