| Message ID | 20210315165650.13392-1-srinivas.kandagatla@linaro.org (mailing list archive) |
|---|---|
| Headers | show |
| Series | soundwire: add static port map support | expand |
On 3/15/21 11:56 AM, Srinivas Kandagatla wrote: > In some cases, SoundWire device ports are statically mapped to Controller > ports during design, however there is no way to expose this information > to the controller. Controllers like Qualcomm ones use this info to setup > static bandwidth parameters for those ports. > > A generic port allocation is not possible in this cases! > This patch adds a new member m_port_map to SoundWire device so that > it can populate the static master port map and share it with controller > to be able to setup correct bandwidth parameters. > > As a user of this feature this patchset also adds new bindings for > wsa881x smart speaker which has 4 ports which are statically mapped > to the 3 output and 1 input port of the controller. > > Tested it on DB845c and SM8250 MTP. > > thanks, > srini Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> > Changes since v3: > - updated kernel doc for more clarity on m_port_map > > Srinivas Kandagatla (5): > soundwire: add static port mapping support > soundwire: qcom: update port map allocation bit mask > soundwire: qcom: add static port map support > ASoC: dt-bindings: wsa881x: add bindings for port mapping > ASoC: codecs: wsa881x: add static port map support > > .../bindings/sound/qcom,wsa881x.yaml | 9 ++++++ > drivers/soundwire/qcom.c | 31 +++++++++++++++---- > include/linux/soundwire/sdw.h | 2 ++ > sound/soc/codecs/wsa881x.c | 7 +++++ > 4 files changed, 43 insertions(+), 6 deletions(-) >
On 15-03-21, 16:56, Srinivas Kandagatla wrote: > In some cases, SoundWire device ports are statically mapped to Controller > ports during design, however there is no way to expose this information > to the controller. Controllers like Qualcomm ones use this info to setup > static bandwidth parameters for those ports. > > A generic port allocation is not possible in this cases! > This patch adds a new member m_port_map to SoundWire device so that > it can populate the static master port map and share it with controller > to be able to setup correct bandwidth parameters. > > As a user of this feature this patchset also adds new bindings for > wsa881x smart speaker which has 4 ports which are statically mapped > to the 3 output and 1 input port of the controller. > > Tested it on DB845c and SM8250 MTP. > > thanks, > srini > > Changes since v3: > - updated kernel doc for more clarity on m_port_map > > Srinivas Kandagatla (5): > soundwire: add static port mapping support > soundwire: qcom: update port map allocation bit mask > soundwire: qcom: add static port map support Applied all sdw patches, thanks > ASoC: dt-bindings: wsa881x: add bindings for port mapping > ASoC: codecs: wsa881x: add static port map support > > .../bindings/sound/qcom,wsa881x.yaml | 9 ++++++ > drivers/soundwire/qcom.c | 31 +++++++++++++++---- > include/linux/soundwire/sdw.h | 2 ++ > sound/soc/codecs/wsa881x.c | 7 +++++ > 4 files changed, 43 insertions(+), 6 deletions(-) > > -- > 2.21.0