diff options
| author | Cezary Rojewski <cezary.rojewski@intel.com> | 2025-02-17 11:21:07 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2025-02-24 16:01:52 +0000 |
| commit | 81eb3a2bd273b84fa9808e6b13b533f9c55e16eb (patch) | |
| tree | 775ce29a7f92b4b3c280fc6a46599ed0ede40aa1 | |
| parent | 758beab0252912395efb79f34095c5ae7e3e58b1 (diff) | |
ASoC: topology: Save num_channels value for mixer controls
To provide minimal support for multi-channel kcontrols i.e.: more than
stereo configuration, store the number of channels specified within the
SectionControlMixer. The field is part of the topology standard,
currently skipped by the ASoC core.
Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Link: https://patch.msgid.link/20250217102115.3539427-3-cezary.rojewski@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
| -rw-r--r-- | include/sound/soc.h | 1 | ||||
| -rw-r--r-- | sound/soc/soc-topology.c | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/include/sound/soc.h b/include/sound/soc.h index 644cfe26022e..6bb2fca044c5 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -1254,6 +1254,7 @@ struct soc_mixer_control { int min, max, platform_max; int reg, rreg; unsigned int shift, rshift; + u32 num_channels; unsigned int sign_bit; unsigned int invert:1; unsigned int autodisable:1; diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c index 921521a84e29..2b86cc3311f7 100644 --- a/sound/soc/soc-topology.c +++ b/sound/soc/soc-topology.c @@ -669,6 +669,7 @@ static int soc_tplg_control_dmixer_create(struct soc_tplg *tplg, struct snd_kcon sm->min = le32_to_cpu(mc->min); sm->invert = le32_to_cpu(mc->invert); sm->platform_max = le32_to_cpu(mc->platform_max); + sm->num_channels = le32_to_cpu(mc->num_channels); /* map io handlers */ err = soc_tplg_kcontrol_bind_io(&mc->hdr, kc, tplg); |