Staging: mid: Intel MID touch screen driver

Touchscreen driver used by intel mid devices. Some clean up by Alan Cox. This
driver is basically ready for upstreaming properly but is tied wrongly to the
SPI layer and needs firmware/SFI changes to fix that.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/Kconfig

@@ -143,5 +143,7 @@ source "drivers/staging/adis16255/Kconfig"
 
 source "drivers/staging/xgifb/Kconfig"
 
+source "drivers/staging/mrst-touchscreen/Kconfig"
+
 endif # !STAGING_EXCLUDE_BUILD
 endif # STAGING

drivers/staging/Makefile

@@ -52,3 +52,4 @@ obj-$(CONFIG_CXT1E1)		+= cxt1e1/
 obj-$(CONFIG_TI_ST)		+= ti-st/
 obj-$(CONFIG_ADIS16255)		+= adis16255/
 obj-$(CONFIG_FB_XGI)		+= xgifb/
+obj-$(CONFIG_TOUCHSCREEN_MRSTOUCH)	+= mrst-touchscreen/

drivers/staging/mrst-touchscreen/Kconfig

@@ -0,0 +1,7 @@
+config TOUCHSCREEN_INTEL_MID
+	tristate "Intel MID platform resistive touchscreen"
+	depends on INTEL_SCU_IPC
+	default y
+	help
+	  Say Y here if you have a Intel MID based touchscreen
+	  If unsure, say N.

drivers/staging/mrst-touchscreen/Makefile

@@ -0,0 +1,3 @@
+obj-$(CONFIG_TOUCHSCREEN_INTEL_MID) := intel_mid_touch.o
+
+

drivers/staging/mrst-touchscreen/TODO

@@ -0,0 +1,2 @@
+- Move the driver to not think it is SPI (requires fixing some of the SFI
+  and firmware side)