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[4/4] platform/surface: aggregator_registry: Add support for tablet mode switch on Surface Laptop Studio

Message ID 20220624183642.910893-5-luzmaximilian@gmail.com (mailing list archive)
State Accepted, archived
Headers show
Series platform/surface: Add support for tablet mode switch via Surface Aggregator Module | expand

Commit Message

Maximilian Luz June 24, 2022, 6:36 p.m. UTC 
Add a POS subsystem tablet-mode switch device for the Surface Laptop
Studio. The respective driver for this device provides SW_TABLET_MODE
input events for user-space based on the posture of the screen.

Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
---
 drivers/platform/surface/surface_aggregator_registry.c | 7 +++++++
 1 file changed, 7 insertions(+)
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Patch

diff --git a/drivers/platform/surface/surface_aggregator_registry.c b/drivers/platform/surface/surface_aggregator_registry.c
index 8f249df673a4..f1c5905f1c16 100644
--- a/drivers/platform/surface/surface_aggregator_registry.c
+++ b/drivers/platform/surface/surface_aggregator_registry.c
@@ -191,6 +191,12 @@  static const struct software_node ssam_node_hid_kip_iid5 = {
 	.parent = &ssam_node_hub_kip,
 };
 
+/* Tablet-mode switch via POS subsystem. */
+static const struct software_node ssam_node_pos_tablet_switch = {
+	.name = "ssam:01:26:01:00:01",
+	.parent = &ssam_node_root,
+};
+
 /*
  * Devices for 5th- and 6th-generations models:
  * - Surface Book 2,
@@ -237,6 +243,7 @@  static const struct software_node *ssam_node_group_sls[] = {
 	&ssam_node_bat_ac,
 	&ssam_node_bat_main,
 	&ssam_node_tmp_pprof,
+	&ssam_node_pos_tablet_switch,
 	&ssam_node_hid_tid1_keyboard,
 	&ssam_node_hid_tid1_penstash,
 	&ssam_node_hid_tid1_touchpad,