Add firmware detection for kobo, adjust input accordingly.

frontend/ui/device.lua

@@ -4,6 +4,7 @@ Device = {
 	survive_screen_saver = false,
 	touch_dev = nil,
 	model = nil,
+	firmware_rev = nil,
 }
 
 function Device:getModel()
@@ -37,6 +38,9 @@ function Device:getModel()
 			local std_out = io.popen("/bin/kobo_config.sh", "r")
 			local codename = std_out:read()
 			self.model = "Kobo_" .. codename
+			local version_file = io.open("/mnt/onboard/.kobo/version", "r")
+			self.firmware_rev = string.sub(version_file:read(),24,28)
+			version_file:close()
 		elseif kt_test_fd then
 			self.model = "KindleTouch"
 		else
@@ -53,6 +57,13 @@ function Device:getModel()
 	return self.model
 end
 
+function Device:getFirmVer()
+	if not self.model then
+		self.model = self:getModel()
+	end
+	return self.firmware_rev
+end
+
 function Device:isKindle4()
 	return (self:getModel() == "Kindle4")
 end

frontend/ui/inputevent.lua

@@ -316,12 +316,14 @@ function Input:init()
 			end
 			print(_("Auto-detected Kindle Touch"))
 		elseif Device:isKobo() then
+			firm_rev = Device:getFirmVer()
 			input.open("/dev/input/event1")
 			Device:setTouchInputDev("/dev/input/event1")
 			input.open("/dev/input/event0") -- Light button and sleep slider
 			print(_("Auto-detected Kobo"))
 			self:adjustKoboEventMap()
-			if dev_mod ~= 'Kobo_trilogy' then
+			if dev_mod ~= 'Kobo_trilogy' and firm_rev == "2.6.1"
+			or dev_mod == 'Kobo_dragon' then
 				function Input:eventAdjustHook(ev)
 					if ev.type == EV_ABS then
 						if ev.code == ABS_X then
@@ -339,6 +341,19 @@ function Input:init()
 					end
 					return ev
 				end
+			else
+				function Input:eventAdjustHook(ev)
+					if ev.code == ABS_X then
+						-- We always have to substract from the physical x,
+						-- regardless of the orientation
+						if (Screen.width<Screen.height) then
+							ev.value = Screen.width - ev.value
+						else
+							ev.value = Screen.height - ev.value
+						end
+					end
+					return ev
+				end
 			end
 		elseif dev_mod == "Kindle4" then
 			print(_("Auto-detected Kindle 4"))