surface-tools/surface-tools-20180914git-autorotate-autodetect.patch

diff -Nru surface-tools-20180914git.orig/autorotate/autorotate surface-tools-20180914git/autorotate/autorotate
--- surface-tools-20180914git.orig/autorotate/autorotate	2018-09-14 10:02:55.000000000 +0200
+++ surface-tools-20180914git/autorotate/autorotate	2018-09-14 10:29:23.835658053 +0200
@@ -1,9 +1,9 @@
 #!/usr/bin/python
 
 #####CONFIGURATION#####
-sensorname="accel_3d"
+#sensorname="accel_3d"
 
-screenname="eDP1"
+#screenname="eDP1"
 
 #####PROGRAM CODE#####
 #Do not change unless you know what you are doing!
@@ -30,6 +30,8 @@
 import subprocess
 import os.path
 import signal
+import gi
+gi.require_version('Gtk', '3.0')
 from gi.repository import Gtk, GdkPixbuf, GObject
 
 hasAppIndicator = True
@@ -38,6 +40,12 @@
 except:
     hasAppIndicator = False
 
+def run_shell_cmd(cmd):
+    """runs a shell commands and returns the string generated by the command."""
+    p = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE)
+    out = p.stdout.read().strip()
+    return out  #This is the stdout from the shell command
+
 def twos_comp(val):
     if val & (1 << (16-1)) != 0:
         val = val - (1 << 16)
@@ -91,9 +99,28 @@
     GObject.timeout_add(1000, checkRotation)
 
 context = pyudev.Context()
-for device in context.list_devices(subsystem="iio").match_attribute("name", sensorname): break
+
+try:
+    for device in context.list_devices(subsystem="iio").match_attribute("name", sensorname): break
+except:
+    for device in context.list_devices(subsystem="iio"): break
 assert device
 
+"""Find which output to rotate, and get its current rotation"""
+# Cache the xrandr info as we'll use it several times
+XRANDR_INFO = run_shell_cmd('xrandr --verbose')
+
+# Find the display we are interested to move (= the laptop panel)
+POSSIBLE_OUTPUT = [ "DSI1", "DSI-1", "eDP1", "LVDS", "LVDS1" ]
+for out in POSSIBLE_OUTPUT:
+    match = re.search("^" + out +  r" connected .* \(.*\) (?P<rotation>.*) \(",
+                     XRANDR_INFO,
+                     re.MULTILINE
+                     )
+    if match:
+        screenname = out
+        break
+
 path = device.device_path
 
 prevorientation = ""