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-rw-r--r--drivers/platform/surface/aggregator/core.c4
-rw-r--r--drivers/platform/surface/surface_aggregator_registry.c7
2 files changed, 9 insertions, 2 deletions
diff --git a/drivers/platform/surface/aggregator/core.c b/drivers/platform/surface/aggregator/core.c
index 9591a28bc3..ba550eaa06 100644
--- a/drivers/platform/surface/aggregator/core.c
+++ b/drivers/platform/surface/aggregator/core.c
@@ -227,8 +227,8 @@ EXPORT_SYMBOL_GPL(ssam_client_bind);
/* -- Glue layer (serdev_device -> ssam_controller). ------------------------ */
-static ssize_t ssam_receive_buf(struct serdev_device *dev, const u8 *buf,
- size_t n)
+static size_t ssam_receive_buf(struct serdev_device *dev, const u8 *buf,
+ size_t n)
{
struct ssam_controller *ctrl;
int ret;
diff --git a/drivers/platform/surface/surface_aggregator_registry.c b/drivers/platform/surface/surface_aggregator_registry.c
index aeb3feae40..035d6b4105 100644
--- a/drivers/platform/surface/surface_aggregator_registry.c
+++ b/drivers/platform/surface/surface_aggregator_registry.c
@@ -74,6 +74,12 @@ static const struct software_node ssam_node_tmp_pprof = {
.parent = &ssam_node_root,
};
+/* Fan speed function. */
+static const struct software_node ssam_node_fan_speed = {
+ .name = "ssam:01:05:01:01:01",
+ .parent = &ssam_node_root,
+};
+
/* Tablet-mode switch via KIP subsystem. */
static const struct software_node ssam_node_kip_tablet_switch = {
.name = "ssam:01:0e:01:00:01",
@@ -305,6 +311,7 @@ static const struct software_node *ssam_node_group_sp9[] = {
&ssam_node_bat_ac,
&ssam_node_bat_main,
&ssam_node_tmp_pprof,
+ &ssam_node_fan_speed,
&ssam_node_pos_tablet_switch,
&ssam_node_hid_kip_keyboard,
&ssam_node_hid_kip_penstash,