diff options
| author | Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> | 2024-04-29 03:43:19 +0300 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2024-05-04 15:56:50 +0300 |
| commit | 3b0b441a297e7fe11baab51439a81cd6a336ed64 (patch) | |
| tree | c7349f4f16febe303782e9460dc0c7e75876d7fc /drivers/soundwire/intel_auxdevice.c | |
| parent | 80962485f62c3c33730407a8059c6292194cb887 (diff) | |
| download | linux-3b0b441a297e7fe11baab51439a81cd6a336ed64.tar.xz | |
soundwire: intel_ace2x: use DOAIS and DODS settings from firmware
Starting with LNL, the recommendation is to use settings read from DSD
properties instead of hard-coding the values.
The DOAIS and DODS values are completely-specific to Intel and are
stored in a vendor-specific property structure.
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/20240429004321.2399754-3-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 | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/soundwire/intel_auxdevice.c b/drivers/soundwire/intel_auxdevice.c index 296a470ce1e0..697d64070794 100644 --- a/drivers/soundwire/intel_auxdevice.c +++ b/drivers/soundwire/intel_auxdevice.c @@ -122,6 +122,7 @@ static void generic_new_peripheral_assigned(struct sdw_bus *bus, static int sdw_master_read_intel_prop(struct sdw_bus *bus) { struct sdw_master_prop *prop = &bus->prop; + struct sdw_intel_prop *intel_prop; struct fwnode_handle *link; char name[32]; u32 quirk_mask; @@ -153,6 +154,26 @@ static int sdw_master_read_intel_prop(struct sdw_bus *bus) prop->quirks = SDW_MASTER_QUIRKS_CLEAR_INITIAL_CLASH | SDW_MASTER_QUIRKS_CLEAR_INITIAL_PARITY; + intel_prop = devm_kzalloc(bus->dev, sizeof(*intel_prop), GFP_KERNEL); + if (!intel_prop) + return -ENOMEM; + + /* initialize with hardware defaults, in case the properties are not found */ + intel_prop->doais = 0x3; + intel_prop->dods = 0x1; + + fwnode_property_read_u16(link, + "intel-sdw-doais", + &intel_prop->doais); + fwnode_property_read_u16(link, + "intel-sdw-dods", + &intel_prop->dods); + bus->vendor_specific_prop = intel_prop; + + dev_dbg(bus->dev, "doais %#x dods %#x\n", + intel_prop->doais, + intel_prop->dods); + return 0; } |