| 0f60ecff | 25-Jun-2025 |
Bard Liao <yung-chuan.liao@linux.intel.com> |
ASoC: sdw_utils: generate combined spk components string
The suggestion from UCM for 2 speaker components is using 1 "spk" tag
with 2 component names. Like "spk:rt722+rt1320". The commit removes the
ASoC: sdw_utils: generate combined spk components string
The suggestion from UCM for 2 speaker components is using 1 "spk" tag
with 2 component names. Like "spk:rt722+rt1320". The commit removes the
creation of the "spk" components in each rtd_init callback and creat the
string in asoc_sdw_rtd_init().
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Shuming Fan <shumingf@realtek.com>
Link: https://patch.msgid.link/20250625140430.311865-3-yung-chuan.liao@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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| d5463e53 | 30-Apr-2025 |
Stefan Binding <sbinding@opensource.cirrus.com> |
ASoC: intel/sdw_utils: Add volume limit to cs35l56 speakers
The volume control for cs35l56 speakers has a maximum gain of +12 dB.
However, for many use cases, this can cause distorted audio, dependi
ASoC: intel/sdw_utils: Add volume limit to cs35l56 speakers
The volume control for cs35l56 speakers has a maximum gain of +12 dB.
However, for many use cases, this can cause distorted audio, depending
various factors, such as other signal-processing elements in the chain,
for example if the audio passes through a gain control before reaching
the amp or the signal path has been tuned for a particular maximum
gain in the amp.
In the case of systems which use the soc_sdw_* driver, audio will
likely be distorted in all cases above 0 dB, therefore add a volume
limit of 400, which is 0 dB maximum volume inside this driver.
The volume limit should be applied to both soundwire and soundwire
bridge configurations.
Signed-off-by: Stefan Binding <sbinding@opensource.cirrus.com>
Link: https://patch.msgid.link/20250430103134.24579-3-sbinding@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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| 02b44a2b | 30-Apr-2025 |
Stefan Binding <sbinding@opensource.cirrus.com> |
ASoC: intel/sdw_utils: Add volume limit to cs42l43 speakers
The volume control for cs42l43 speakers has a maximum gain of +31.5 dB.
However, for many use cases, this can cause distorted audio, depen
ASoC: intel/sdw_utils: Add volume limit to cs42l43 speakers
The volume control for cs42l43 speakers has a maximum gain of +31.5 dB.
However, for many use cases, this can cause distorted audio, depending
various factors, such as other signal-processing elements in the chain,
for example if the audio passes through a gain control before reaching
the codec or the signal path has been tuned for a particular maximum
gain in the codec.
In the case of systems which use the soc_sdw_cs42l43 driver, audio will
likely be distorted in all cases above 0 dB, therefore add a volume
limit of 128, which is 0 dB maximum volume inside this driver.
Signed-off-by: Stefan Binding <sbinding@opensource.cirrus.com>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://patch.msgid.link/20250430103134.24579-2-sbinding@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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| 4f8ef33d | 14-Apr-2025 |
Bard Liao <yung-chuan.liao@linux.intel.com> |
ASoC: soc_sdw_utils: skip the endpoint that doesn't present
A codec endpoint may not be used. We could check the present SDCA
functions to know if the endpoint is used or not. Skip the endpoint
whic
ASoC: soc_sdw_utils: skip the endpoint that doesn't present
A codec endpoint may not be used. We could check the present SDCA
functions to know if the endpoint is used or not. Skip the endpoint
which is not used.
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://patch.msgid.link/20250414063239.85200-12-yung-chuan.liao@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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| 484c997e | 03-Dec-2024 |
Richard Fitzgerald <rf@opensource.cirrus.com> |
ASoC: sdw_utils: cs_amp: Assign non-overlapping TDM masks for each codec on a bus
Use snd_soc_dai_set_tdm_slot() on capture DAIs to prevent multiple
aggregated amps from trying to send data at the s
ASoC: sdw_utils: cs_amp: Assign non-overlapping TDM masks for each codec on a bus
Use snd_soc_dai_set_tdm_slot() on capture DAIs to prevent multiple
aggregated amps from trying to send data at the same time.
When the capture DAIs of multiple amps on a bus are aggregated they will
all be sharing the same bit slots for transmitted audio. This would lead
to bus errors if all channels on all amps were enabled, because multiple
amps would be trying to send data at the same time.
To prevent this, the available channels are divided between the amps on a
bus so that only one amp will be sending data for each channel position.
A CS35L56 has 4 TX channels, which must be split between all the amps on a
bus so that no two amps are using the same channel. This is done simply by
dividing by the number of amps on the bus, so that 1 amp can use all
4 channels, 2 amps can use 2 channels each, and 3 or 4 amps can only use
1 channel each.
The amps are usually aggregated across multiple SoundWire buses. In this
case there will be multiple cpu DAIs in the dailink. The channel mapping
is used to determine which amps are on each bus. The allocation of the
4 channels is done separately for each bus (only amps on the same bus can
interfere with each other).
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Liam Girdwood <liam.r.girdwood@intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://patch.msgid.link/20241203104534.56719-3-yung-chuan.liao@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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| d280cf5f | 01-Nov-2024 |
Vijendar Mukunda <Vijendar.Mukunda@amd.com> |
ASoC: sdw_utils: Update stream_name in dai_links structure
For sof stack, dai_link->stream name will be assigned.
For legacy(No DSP enabled) stack, dai_link->stream name should be updated
explicitly
ASoC: sdw_utils: Update stream_name in dai_links structure
For sof stack, dai_link->stream name will be assigned.
For legacy(No DSP enabled) stack, dai_link->stream name should be updated
explicitly. Update the stream_name in dai_link structure.
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Liam Girdwood <liam.r.girdwood@intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://patch.msgid.link/20241101020802.1103181-3-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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