fix N900 tsc2005 disable sysfs disable path for newer kernels

Add new path to check for enable/disable support of touschreen during
the display blank/unblank. In newer kernels the disable path has changed from
/sys/devices/platform/omap2_mcspi.1/spi1.0/ts_disable
to
/sys/devices/platform/omap2_mcspi.1/spi1.0/disable

Signed-off-by: Mika Laitio <ext-mika.1.laitio@nokia.com>

tklock.c

@@ -3103,6 +3103,9 @@ gboolean mce_tklock_init(void)
 	if (g_access(MCE_RM680_TOUCHSCREEN_SYSFS_DISABLE_PATH, W_OK) == 0) {
 		mce_touchscreen_sysfs_disable_path =
 			MCE_RM680_TOUCHSCREEN_SYSFS_DISABLE_PATH;
+	} else if (g_access(MCE_RX44_TOUCHSCREEN_SYSFS_DISABLE_PATH_KERNEL2637, W_OK) == 0) {
+		mce_touchscreen_sysfs_disable_path =
+			MCE_RX44_TOUCHSCREEN_SYSFS_DISABLE_PATH_KERNEL2637;
 	} else if (g_access(MCE_RX44_TOUCHSCREEN_SYSFS_DISABLE_PATH, W_OK) == 0) {
 		mce_touchscreen_sysfs_disable_path =
 			MCE_RX44_TOUCHSCREEN_SYSFS_DISABLE_PATH;

tklock.h

@@ -70,7 +70,8 @@
 #define MCE_RM680_TOUCHSCREEN_SYSFS_DISABLE_PATH	"/sys/class/i2c-adapter/i2c-2/2-004b/disable_ts"
 
 /** SysFS interface to enable/disable RX-44/RX-48/RX-51 touchscreen IRQs */
-#define MCE_RX44_TOUCHSCREEN_SYSFS_DISABLE_PATH		"/sys/devices/platform/omap2_mcspi.1/spi1.0/disable_ts"
+#define MCE_RX44_TOUCHSCREEN_SYSFS_DISABLE_PATH		    "/sys/devices/platform/omap2_mcspi.1/spi1.0/disable_ts"
+#define MCE_RX44_TOUCHSCREEN_SYSFS_DISABLE_PATH_KERNEL2637	"/sys/devices/platform/omap2_mcspi.1/spi1.0/disable"
 
 /** Touch screen enable delay for calibration **/
 #define MCE_TOUCHSCREEN_CALIBRATION_DELAY		100000 /* 100 milliseconds */