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path: root/drivers/soundwire
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-rw-r--r--drivers/soundwire/bus.c12
-rw-r--r--drivers/soundwire/slave.c6
2 files changed, 18 insertions, 0 deletions
diff --git a/drivers/soundwire/bus.c b/drivers/soundwire/bus.c
index 4fd5cac799c5..55c1db816534 100644
--- a/drivers/soundwire/bus.c
+++ b/drivers/soundwire/bus.c
@@ -1360,6 +1360,18 @@ int sdw_slave_get_scale_index(struct sdw_slave *slave, u8 *base)
}
EXPORT_SYMBOL(sdw_slave_get_scale_index);
+int sdw_slave_get_current_bank(struct sdw_slave *slave)
+{
+ int tmp;
+
+ tmp = sdw_read(slave, SDW_SCP_CTRL);
+ if (tmp < 0)
+ return tmp;
+
+ return FIELD_GET(SDW_SCP_STAT_CURR_BANK, tmp);
+}
+EXPORT_SYMBOL_GPL(sdw_slave_get_current_bank);
+
static int sdw_slave_set_frequency(struct sdw_slave *slave)
{
int scale_index;
diff --git a/drivers/soundwire/slave.c b/drivers/soundwire/slave.c
index d2d99555ec5a..3d4d00188c26 100644
--- a/drivers/soundwire/slave.c
+++ b/drivers/soundwire/slave.c
@@ -273,4 +273,10 @@ int sdw_of_find_slaves(struct sdw_bus *bus)
return 0;
}
+struct device *of_sdw_find_device_by_node(struct device_node *np)
+{
+ return bus_find_device_by_of_node(&sdw_bus_type, np);
+}
+EXPORT_SYMBOL_GPL(of_sdw_find_device_by_node);
+
MODULE_IMPORT_NS("SND_SOC_SDCA");