> -----Original Message----- > From: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx> > Sent: Monday, November 30, 2020 10:40 PM > To: alsa-devel@xxxxxxxxxxxxxxxx; vkoul@xxxxxxxxxx > Cc: vinod.koul@xxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; tiwai@xxxxxxx; > broonie@xxxxxxxxxx; gregkh@xxxxxxxxxxxxxxxxxxx; jank@xxxxxxxxxxx; > srinivas.kandagatla@xxxxxxxxxx; rander.wang@xxxxxxxxxxxxxxx; > ranjani.sridharan@xxxxxxxxxxxxxxx; hui.wang@xxxxxxxxxxxxx; pierre- > louis.bossart@xxxxxxxxxxxxxxx; Kale, Sanyog R <sanyog.r.kale@xxxxxxxxx>; > Liao, Bard <bard.liao@xxxxxxxxx> > Subject: [PATCH v2 0/5] regmap/SoundWire/ASoC: Add SoundWire SDCA > support > > The MIPI SoundWire Device Class standard will define audio functionality > beyond the scope of the existing SoundWire 1.2 standard, which is limited to > the bus and interface. > > The description is inspired by the USB Audio Class, with "functions", > "entities", "control selectors", "audio clusters". The main difference with the > USB Audio class is that the devices are typically on a motherboard and > descriptors stored in platform firmware instead of being retrieved from the > device. > > The current set of devices managed in this patchset are conformant with the > SDCA 0.6 specification and require dedicated drivers since the descriptors > and platform firmware specification is not complete at this time. They do > however rely on the hierarchical addressing required by the SDCA standard. > Future devices conformant with SDCA 1.0 should rely on a class driver. > > This series adds support for the hierarchical SDCA addressing and extends > regmap. It then provides 3 codecs for RT711-sdca headset codec, RT1316 > amplifier and RT715-scda microphone codec. > > Note that the release of this code before the formal adoption of the SDCA > 1.0 specification was formally endorsed by the MIPI Board to make sure > there is no delay for Linux-based support of this specification. > > v2: > - rt715-sdca: Use rt715_sdca prefix to avoid compiling issue. > - rt715-sdca: Merge multiple mute/volume operation into single > mute/volume > operation > - rt711-sdca: Initial ret = 0 as it could be used uninitialized. > > Jack Yu (1): > ASoC/SoundWire: rt715-sdca: First version of rt715 sdw sdca codec > driver > > Pierre-Louis Bossart (2): > soundwire: SDCA: add helper macro to access controls > regmap/SoundWire: sdw: add support for SoundWire 1.2 MBQ > > Shuming Fan (2): > ASoC/SoundWire: rt1316: Add RT1316 SDCA vendor-specific driver > ASoC/SoundWire: rt711-sdca: Add RT711 SDCA vendor-specific driver > Hi Vinod/Mark, Could we take this series into Vinod's tree with Mark's Acked-by? It failed to build on Mark's tree. > > -- > 2.17.1