ASoC/soundwire: remove is_sdca boolean property

The Device_ID registers already tell us if a device supports the SDCA
specification or not, in hindsight we never needed a property when the
information is reported by both hardware and ACPI.
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>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Acked-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20221118025807.534863-2-yung-chuan.liao@linux.intel.comSigned-off-by: Vinod Koul <vkoul@kernel.org>

drivers/soundwire/bus.c

@@ -1587,7 +1587,7 @@ static int sdw_handle_slave_alerts(struct sdw_slave *slave)
 		goto io_err;
 	}
 
-	if (slave->prop.is_sdca) {
+	if (slave->id.class_id) {
 		ret = sdw_read_no_pm(slave, SDW_DP0_INT);
 		if (ret < 0) {
 			dev_err(&slave->dev,
@@ -1724,7 +1724,7 @@ static int sdw_handle_slave_alerts(struct sdw_slave *slave)
 			goto io_err;
 		}
 
-		if (slave->prop.is_sdca) {
+		if (slave->id.class_id) {
 			ret = sdw_read_no_pm(slave, SDW_DP0_INT);
 			if (ret < 0) {
 				dev_err(&slave->dev,

include/linux/soundwire/sdw.h

@@ -365,7 +365,6 @@ struct sdw_dpn_prop {
  * @sink_dpn_prop: Sink Data Port N properties
  * @scp_int1_mask: SCP_INT1_MASK desired settings
  * @quirks: bitmask identifying deltas from the MIPI specification
- * @is_sdca: the Slave supports the SDCA specification
  */
 struct sdw_slave_prop {
 	u32 mipi_revision;
@@ -389,7 +388,6 @@ struct sdw_slave_prop {
 	struct sdw_dpn_prop *sink_dpn_prop;
 	u8 scp_int1_mask;
 	u32 quirks;
-	bool is_sdca;
 };
 
 #define SDW_SLAVE_QUIRKS_INVALID_INITIAL_PARITY	BIT(0)

sound/soc/codecs/rt1316-sdw.c

@@ -204,7 +204,6 @@ static int rt1316_read_prop(struct sdw_slave *slave)
 
 	prop->scp_int1_mask = SDW_SCP_INT1_BUS_CLASH | SDW_SCP_INT1_PARITY;
 	prop->quirks = SDW_SLAVE_QUIRKS_INVALID_INITIAL_PARITY;
-	prop->is_sdca = true;
 
 	prop->paging_support = true;
 

sound/soc/codecs/rt1318-sdw.c

@@ -353,7 +353,6 @@ static int rt1318_read_prop(struct sdw_slave *slave)
 
 	prop->scp_int1_mask = SDW_SCP_INT1_BUS_CLASH | SDW_SCP_INT1_PARITY;
 	prop->quirks = SDW_SLAVE_QUIRKS_INVALID_INITIAL_PARITY;
-	prop->is_sdca = true;
 
 	prop->paging_support = true;
 

sound/soc/codecs/rt711-sdca-sdw.c

@@ -186,7 +186,6 @@ static int rt711_sdca_read_prop(struct sdw_slave *slave)
 
 	prop->scp_int1_mask = SDW_SCP_INT1_BUS_CLASH | SDW_SCP_INT1_PARITY;
 	prop->quirks = SDW_SLAVE_QUIRKS_INVALID_INITIAL_PARITY;
-	prop->is_sdca = true;
 
 	prop->paging_support = true;