This patchset adds pm runtime support to Qualcomm SounWire Controller using SoundWire Clock Stop and Wake up using Headset events on supported instances and instances like WSA which do not support clock stop a soft reset of controller along with full rest of slaves is done to resume from a low power state. Tested it on SM8250 MTP and Dragon Board DB845c --srini Changes since v1: - updated wake irq to not deal with slave pm runtime directly. - added delay after soft reset of SoundWire controller where clock stop is not supported Srinivas Kandagatla (3): soundwire: qcom: add runtime pm support dt-bindings: soundwire: qcom: document optional wake irq soundwire: qcom: add in-band wake up interrupt support .../bindings/soundwire/qcom,sdw.txt | 2 +- drivers/soundwire/qcom.c | 202 +++++++++++++++++- 2 files changed, 202 insertions(+), 2 deletions(-) -- 2.21.0
