On 14-07-22, 09:10, Bard Liao wrote: > we've been stuck with problems in the dual-amplifier configurations where > one of the two devices seems to become UNATTACHED and never regains sync, > see https://github.com/thesofproject/linux/issues/3638. > > This is a rather infrequent issue that may happen once or twice per month, > but still it remains a concern. > > One possibility is that the device does lose sync but somehow our hardware > detection fails to see it resync. > > This series just adds a basic read directly from the PING frames to help > confirm if yes/no the device regain sync. > > The change is mainly on soundwire. @Mark, Could you ack the ASoC patch > if it looks good to you? Mark, The series lgtm, feel free to merge thru ASoC tree with: Acked-By: Vinod Koul <vkoul@xxxxxxxxxx> > > Pierre-Louis Bossart (4): > soundwire: add read_ping_status helper definition in manager ops > soundwire: intel/cadence: expose PING status in manager ops > soundwire: add sdw_show_ping_status() helper > ASoC: codecs: show PING status on resume failures > > drivers/soundwire/bus.c | 32 ++++++++++++++++++++++++++++++ > drivers/soundwire/cadence_master.c | 8 ++++++++ > drivers/soundwire/cadence_master.h | 2 ++ > drivers/soundwire/intel.c | 1 + > include/linux/soundwire/sdw.h | 5 +++++ > sound/soc/codecs/max98373-sdw.c | 2 ++ > sound/soc/codecs/rt1308-sdw.c | 2 ++ > sound/soc/codecs/rt1316-sdw.c | 2 ++ > sound/soc/codecs/rt5682-sdw.c | 2 ++ > sound/soc/codecs/rt700-sdw.c | 2 ++ > sound/soc/codecs/rt711-sdca-sdw.c | 2 ++ > sound/soc/codecs/rt715-sdca-sdw.c | 2 ++ > sound/soc/codecs/rt715-sdw.c | 2 ++ > 13 files changed, 64 insertions(+) > > -- > 2.25.1 -- ~Vinod
