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diff --git a/sound/soc/codecs/tas2783-sdw.c b/sound/soc/codecs/tas2783-sdw.c
index fb113ab693e6..7b5e8a60bbe2 100644
--- a/sound/soc/codecs/tas2783-sdw.c
+++ b/sound/soc/codecs/tas2783-sdw.c
@@ -1286,7 +1286,63 @@ static int tas_port_prep(struct sdw_slave *slave, struct sdw_prepare_ch *prep_ch
return 0;
}
+static int tas_read_prop(struct sdw_slave *slave)
+{
+ struct sdw_slave_prop *prop = &slave->prop;
+ int nval, i, j;
+ u32 bit;
+ unsigned long addr;
+ struct sdw_dpn_prop *dpn;
+
+ prop->scp_int1_mask = SDW_SCP_INT1_BUS_CLASH | SDW_SCP_INT1_PARITY;
+ prop->quirks = SDW_SLAVE_QUIRKS_INVALID_INITIAL_PARITY;
+
+ prop->paging_support = true;
+
+ prop->sink_ports = BIT(1); /* playback */
+ prop->source_ports = BIT(2); /* feedback capture */
+
+ nval = hweight32(prop->sink_ports);
+ prop->sink_dpn_prop = devm_kcalloc(&slave->dev, nval,
+ sizeof(*prop->sink_dpn_prop), GFP_KERNEL);
+ if (!prop->sink_dpn_prop)
+ return -ENOMEM;
+
+ j = 0;
+ dpn = prop->sink_dpn_prop;
+ addr = prop->sink_ports;
+ for_each_set_bit(bit, &addr, 32) {
+ dpn[j].num = bit;
+ dpn[j].type = SDW_DPN_FULL;
+ dpn[j].simple_ch_prep_sm = true;
+ dpn[j].ch_prep_timeout = 10;
+ j++;
+ }
+
+ nval = hweight32(prop->source_ports);
+ prop->src_dpn_prop = devm_kcalloc(&slave->dev, nval,
+ sizeof(*prop->src_dpn_prop), GFP_KERNEL);
+ if (!prop->src_dpn_prop)
+ return -ENOMEM;
+
+ i = 0;
+ dpn = prop->src_dpn_prop;
+ addr = prop->source_ports;
+ for_each_set_bit(bit, &addr, 32) {
+ dpn[i].num = bit;
+ dpn[i].type = SDW_DPN_FULL;
+ dpn[i].simple_ch_prep_sm = true;
+ dpn[i].ch_prep_timeout = 10;
+ i++;
+ }
+
+ prop->clk_stop_timeout = 20;
+
+ return 0;
+}
+
static const struct sdw_slave_ops tas_sdw_ops = {
+ .read_prop = tas_read_prop,
.update_status = tas_update_status,
.port_prep = tas_port_prep,
};
--
2.54.0
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