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ASoC: SOF: control: Add access field in struct snd_sof_control

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Add a new field to save the access setting for all controls
in struct snd_sof_control. This will be used to ensure that
only widgets belonging to static pipelines have volatile
controls.

Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Signed-off-by: Daniel Baluta <daniel.baluta@nxp.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Link: https://lore.kernel.org/r/20210927120517.20505-3-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Ranjani Sridharan 2021-09-27 15:05:07 +03:00 committed by Mark Brown
parent 415717e1e3
commit 199a3754f2
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
2 changed files with 2 additions and 0 deletions
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1
sound/soc/sof/sof-audio.h
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@ -66,6 +66,7 @@ struct snd_sof_control {
int min_volume_step; /* min volume step for volume_table */
int max_volume_step; /* max volume step for volume_table */
int num_channels;
unsigned int access;
u32 readback_offset; /* offset to mmapped data if used */
struct sof_ipc_ctrl_data *control_data;
u32 size; /* cdata size */

1
sound/soc/sof/topology.c
View File

@ -1250,6 +1250,7 @@ static int sof_control_load(struct snd_soc_component *scomp, int index,
return -ENOMEM;
scontrol->scomp = scomp;
scontrol->access = kc->access;
switch (le32_to_cpu(hdr->ops.info)) {
case SND_SOC_TPLG_CTL_VOLSW: