Steam deck lcd screen is a tablet LCD rotated in the kernel

into portrait mode.

The IMU is not active in lizard mode. The command below disables
lizard mode and activates the IMU.

echo N | sudo tee /sys/module/hid_steam/parameters/lizard_mode

Closes #42586

diff --git a/hwdb.d/60-sensor.hwdb b/hwdb.d/60-sensor.hwdb
index a3d707901ffb111a722ae0fc0c28c28c63dccef8..af5a81a51b23dc973a1d355c2bdf1001f366baa7 100644 (file)
--- a/hwdb.d/60-sensor.hwdb
+++ b/hwdb.d/60-sensor.hwdb
@@ -1100,6 +1100,14 @@ sensor:modalias:acpi:SMO8500*:dmi:*:svnUMAX:pnVisionBook10WiPlus:*
 sensor:modalias:acpi:MXC6655*:dmi:*:svnUMAX:pnVisionbook12WrTab:*
  ACCEL_MOUNT_MATRIX=0, 1, 0; 1, 0, 0; 0, 0, 1
 
+#########################################
+# Valve
+#########################################
+
+# Lizard mode must be off for the IMU to activate
+evdev:input:b0003v28DEp1205*
+ ACCEL_MOUNT_MATRIX=0, -1, 0; 1, 0, 0; 0, 0, 1
+
 #########################################
 # Voyo
 #########################################