linux_dsm_epyc7002/drivers/soundwire
Rander Wang ab2c913297 soundwire: intel: add wake interrupt support
When system is suspended in clock stop mode on intel platforms, both
master and slave are in clock stop mode and soundwire bus is taken
over by a glue hardware. The bus message for jack event is processed
by this glue hardware, which will trigger an interrupt to resume audio
pci device. Then audio pci driver will resume soundwire master and slave,
transfer bus ownership to master, finally slave will report jack event
to master and codec driver is triggered to check jack status.

if a slave has been attached to a bus, the slave->dev_num_sticky
should be non-zero, so we can check this value to skip the
ghost devices defined in ACPI table but not populated in hardware.

Signed-off-by: Rander Wang <rander.wang@intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20200716150947.22119-9-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-07-21 16:05:41 +05:30
..
bus_type.c soundwire: extend SDW_SLAVE_ENTRY 2020-06-30 21:26:17 +05:30
bus.c soundwire: bus: initialize bus clock base and scale registers 2020-06-30 21:26:17 +05:30
bus.h soundwire: add Slave sysfs support 2020-05-20 17:22:41 +05:30
cadence_master.c soundwire: intel/cadence: merge Soundwire interrupt handlers/threads 2020-07-21 16:05:41 +05:30
cadence_master.h soundwire: intel/cadence: merge Soundwire interrupt handlers/threads 2020-07-21 16:05:41 +05:30
debugfs.c soundwire: debugfs: clarify SDPX license with GPL-2.0-only 2020-05-05 08:51:44 +05:30
intel_init.c soundwire: intel: add wake interrupt support 2020-07-21 16:05:41 +05:30
intel.c soundwire: intel: add wake interrupt support 2020-07-21 16:05:41 +05:30
intel.h soundwire: intel: add wake interrupt support 2020-07-21 16:05:41 +05:30
Kconfig soundwire: qcom: add support for SoundWire controller 2020-01-14 11:57:47 +05:30
Makefile soundwire: Replace 'objs' by 'y' 2020-06-22 17:06:08 +05:30
master.c soundwire: master: add sysfs support 2020-05-20 17:22:36 +05:30
mipi_disco.c soundwire: disco: s/ch/channels/ 2020-05-20 17:22:30 +05:30
qcom.c soundwire: qcom: Constify static structs 2020-06-22 17:28:10 +05:30
slave.c soundwire: bus_type: introduce sdw_slave_type and sdw_master_type 2020-05-19 12:44:34 +05:30
stream.c soundwire: fix the kernel-doc comment 2020-07-16 09:37:43 +05:30
sysfs_local.h soundwire: add Slave sysfs support 2020-05-20 17:22:41 +05:30
sysfs_slave_dpn.c soundwire: fix spelling mistake 2020-05-20 17:29:37 +05:30
sysfs_slave.c soundwire: fix trailing line in sysfs_slave.c 2020-05-20 17:27:45 +05:30