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Subject[PATCH 3/4] platform/surface: aggregator_registry: Add support for tablet mode switch on Surface Pro 8
Date
Add a KIP subsystem tablet-mode switch device for the Surface Pro 8.
The respective driver for this device provides SW_TABLET_MODE input
events for user-space based on the state of the keyboard cover (e.g.
detached, folded-back, normal/laptop mode).

Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
---
drivers/platform/surface/surface_aggregator_registry.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/platform/surface/surface_aggregator_registry.c b/drivers/platform/surface/surface_aggregator_registry.c
index bf3303f1aa71..8f249df673a4 100644
--- a/drivers/platform/surface/surface_aggregator_registry.c
+++ b/drivers/platform/surface/surface_aggregator_registry.c
@@ -77,6 +77,12 @@ static const struct software_node ssam_node_tmp_pprof = {
.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",
+ .parent = &ssam_node_root,
+};
+
/* DTX / detachment-system device (Surface Book 3). */
static const struct software_node ssam_node_bas_dtx = {
.name = "ssam:01:11:01:00:00",
@@ -264,11 +270,11 @@ static const struct software_node *ssam_node_group_sp8[] = {
&ssam_node_bat_ac,
&ssam_node_bat_main,
&ssam_node_tmp_pprof,
+ &ssam_node_kip_tablet_switch,
&ssam_node_hid_kip_keyboard,
&ssam_node_hid_kip_penstash,
&ssam_node_hid_kip_touchpad,
&ssam_node_hid_kip_iid5,
- /* TODO: Add support for tablet mode switch. */
NULL,
};

--
2.36.1
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