diff options
| author | Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> | 2023-05-15 10:10:36 +0300 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2023-05-27 13:36:46 +0300 |
| commit | bcf71917c9ddd6714126e6115bfa26ea482d7afb (patch) | |
| tree | 7a9bf03a839ff1d477d8c5bfbefcec3b19ca1eab /drivers/soundwire/intel_auxdevice.c | |
| parent | 6bac0d8d1b4c2dd0fc90b64451ffb88a206adda0 (diff) | |
| download | linux-bcf71917c9ddd6714126e6115bfa26ea482d7afb.tar.xz | |
soundwire: intel_ace2x: add new_peripheral_assigned callback
Add the abstraction needed to only program the LSDIID registers for
the HDaudio extended links. It's perfectly fine to program this
register multiple times in case devices lose sync and reattach.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20230515071042.2038-21-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/soundwire/intel_auxdevice.c')
| -rw-r--r-- | drivers/soundwire/intel_auxdevice.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/soundwire/intel_auxdevice.c b/drivers/soundwire/intel_auxdevice.c index fcdf4f2d60e3..0daa6ca9a224 100644 --- a/drivers/soundwire/intel_auxdevice.c +++ b/drivers/soundwire/intel_auxdevice.c @@ -60,6 +60,21 @@ static int generic_post_bank_switch(struct sdw_bus *bus) return sdw->link_res->hw_ops->post_bank_switch(sdw); } +static void generic_new_peripheral_assigned(struct sdw_bus *bus, int dev_num) +{ + struct sdw_cdns *cdns = bus_to_cdns(bus); + struct sdw_intel *sdw = cdns_to_intel(cdns); + + /* paranoia check, this should never happen */ + if (dev_num < INTEL_DEV_NUM_IDA_MIN || dev_num > SDW_MAX_DEVICES) { + dev_err(bus->dev, "%s: invalid dev_num %d\n", __func__, dev_num); + return; + } + + if (sdw->link_res->hw_ops->program_sdi) + sdw->link_res->hw_ops->program_sdi(sdw, dev_num); +} + static int sdw_master_read_intel_prop(struct sdw_bus *bus) { struct sdw_master_prop *prop = &bus->prop; @@ -117,6 +132,7 @@ static struct sdw_master_ops sdw_intel_ops = { .pre_bank_switch = generic_pre_bank_switch, .post_bank_switch = generic_post_bank_switch, .read_ping_status = cdns_read_ping_status, + .new_peripheral_assigned = generic_new_peripheral_assigned, }; /* |