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| author |   Li Xu <li.xu@cirrus.com> | 2019-11-15 13:54:13 -0600 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2019-11-18 16:12:07 +0000 |
| commit | eb65ccdb083639f8a9b6919c94d1df570396a9a1 (patch) | |
| tree | fe22b7d2f5f5de4e49a05599ccf811ce9bbd97f1 /sound/soc/codecs/wm_adsp.h | |
| parent | ASoC: tlv320aic31xx: configure output common-mode voltage (diff) | |
| download | linux-dev-eb65ccdb083639f8a9b6919c94d1df570396a9a1.tar.xz linux-dev-eb65ccdb083639f8a9b6919c94d1df570396a9a1.zip | |
ASoC: wm_adsp: Expose mixer control API
Expose mixer control API for reading and writing controls from the kernel.
This API can be used by ALSA kernel drivers with ADSP support to
read and write firmware-defined memory regions.
Signed-off-by: Li Xu <li.xu@cirrus.com>
Signed-off-by: David Rhodes <david.rhodes@cirrus.com>
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/1573847653-17094-2-git-send-email-david.rhodes@cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to '')
| -rw-r--r-- | sound/soc/codecs/wm_adsp.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm_adsp.h b/sound/soc/codecs/wm_adsp.h index aa634ef6c9f5..4c481cf20275 100644 --- a/sound/soc/codecs/wm_adsp.h +++ b/sound/soc/codecs/wm_adsp.h @@ -201,5 +201,9 @@ int wm_adsp_compr_pointer(struct snd_compr_stream *stream, struct snd_compr_tstamp *tstamp); int wm_adsp_compr_copy(struct snd_compr_stream *stream, char __user *buf, size_t count); +int wm_adsp_write_ctl(struct wm_adsp *dsp, const char *name, int type, + unsigned int alg, void *buf, size_t len); +int wm_adsp_read_ctl(struct wm_adsp *dsp, const char *name, int type, + unsigned int alg, void *buf, size_t len); #endif |