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ASoC: wm_adsp: Add code to locate and initialise compressed buffer

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Add code that locates and initialises the buffer of compressed data on
the DSP if the firmware supported compressed data capture. The buffer
struct (wm_adsp_compr_buf) is kept separate from the stream struct
(wm_adsp_compr) this will allow much easier support of multiple
streams of data from the one DSP in the future, although support for
this will not be added in this patch chain.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Charles Keepax
2015-12-15 11:29:46 +00:00
committed by Mark Brown
parent 406abc95a0
commit 2cd19bdbf8
2 changed files with 293 additions and 0 deletions
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2
sound/soc/codecs/wm_adsp.h
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@@ -32,6 +32,7 @@ struct wm_adsp_alg_region {
};
struct wm_adsp_compr;
struct wm_adsp_compr_buf;
struct wm_adsp {
const char *part;
@@ -63,6 +64,7 @@ struct wm_adsp {
struct work_struct boot_work;
struct wm_adsp_compr *compr;
struct wm_adsp_compr_buf *buffer;
struct mutex pwr_lock;