diff options
| author | Shreyas NC <shreyas.nc@intel.com> | 2018-07-27 11:14:16 +0200 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2018-08-27 06:19:48 +0200 |
| commit | ce6e74d008ff5c8b43e3bafaa7343bf7eb69593e (patch) | |
| tree | 88194f56809b4631aba7cb4e7bfbb8a4b20c8afc /drivers/soundwire/bus.c | |
| parent | soundwire: Handle multiple master instances in a stream (diff) | |
| download | linux-ce6e74d008ff5c8b43e3bafaa7343bf7eb69593e.tar.xz linux-ce6e74d008ff5c8b43e3bafaa7343bf7eb69593e.zip | |
soundwire: Add support for multi link bank switch
In cases of multiple Masters in a stream, synchronization
between multiple Master(s) is achieved by performing bank switch
together and using Master methods.
Add sdw_ml_bank_switch() to wait for completion of bank switch.
Signed-off-by: Sanyog Kale <sanyog.r.kale@intel.com>
Signed-off-by: Shreyas NC <shreyas.nc@intel.com>
Acked-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/soundwire/bus.c')
| -rw-r--r-- | drivers/soundwire/bus.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/soundwire/bus.c b/drivers/soundwire/bus.c index dbabd5e69343..1cbfedfc20ef 100644 --- a/drivers/soundwire/bus.c +++ b/drivers/soundwire/bus.c @@ -35,6 +35,11 @@ int sdw_add_bus_master(struct sdw_bus *bus) INIT_LIST_HEAD(&bus->slaves); INIT_LIST_HEAD(&bus->m_rt_list); + /* + * Initialize multi_link flag + * TODO: populate this flag by reading property from FW node + */ + bus->multi_link = false; if (bus->ops->read_prop) { ret = bus->ops->read_prop(bus); if (ret < 0) { |