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authorCharles Keepax <ckeepax@opensource.wolfsonmicro.com>2016-01-06 15:33:19 +0300
committerMark Brown <broonie@kernel.org>2016-01-06 20:44:17 +0300
commit83a40ce993cda0757b102389e38446e79a2cc172 (patch)
tree5af530049703ae58809bbdd4d17dd4a683c909d9 /sound/soc/codecs/wm_adsp.h
parent565ace464105cb9623cbf4eb9549d4b0c24166c9 (diff)
downloadlinux-83a40ce993cda0757b102389e38446e79a2cc172.tar.xz
ASoC: wm_adsp: Pull data through compressed read
Data is read in blocks of up to one fragment is size from the circular buffer on the DSP and is re-packed to remove the padding byte that exists in the DSP memory map. Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs/wm_adsp.h')
-rw-r--r--sound/soc/codecs/wm_adsp.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm_adsp.h b/sound/soc/codecs/wm_adsp.h
index 522fa1ada4e6..1a928ec54741 100644
--- a/sound/soc/codecs/wm_adsp.h
+++ b/sound/soc/codecs/wm_adsp.h
@@ -115,5 +115,7 @@ extern int wm_adsp_compr_trigger(struct snd_compr_stream *stream, int cmd);
extern int wm_adsp_compr_handle_irq(struct wm_adsp *dsp);
extern int wm_adsp_compr_pointer(struct snd_compr_stream *stream,
struct snd_compr_tstamp *tstamp);
+extern int wm_adsp_compr_copy(struct snd_compr_stream *stream,
+ char __user *buf, size_t count);
#endif