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ASoC: SOF: Implement snd_sof_bytes_ext_volatile_get kcontrol IO

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This patch implements the snd_sof_bytes_ext_volatile_get() to read the
actual parameters from DSP by sending the SOF_IPC_COMP_GET_DATA IPC
for the kcontrol of type SOF_TPLG_KCTL_BYTES_VOLATILE_RO.

Signed-off-by: Dharageswari R <dharageswari.r@intel.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://lore.kernel.org/r/20200908092825.1813847-2-kai.vehmanen@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Dharageswari R
2020-09-08 12:28:25 +03:00
committed by Mark Brown
parent 819b9f6002
commit 783560d02d
4 changed files with 64 additions and 0 deletions
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3
include/uapi/sound/sof/tokens.h
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@@ -24,6 +24,9 @@
#define SOF_TPLG_KCTL_ENUM_ID 257
#define SOF_TPLG_KCTL_BYTES_ID 258
#define SOF_TPLG_KCTL_SWITCH_ID 259
#define SOF_TPLG_KCTL_BYTES_VOLATILE_RO 260
#define SOF_TPLG_KCTL_BYTES_VOLATILE_RW 261
#define SOF_TPLG_KCTL_BYTES_WO_ID 262
/*
* Tokens - must match values in topology configurations