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--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -11,6 +11,54 @@ menuconfig INPUT_TOUCHSCREEN
if INPUT_TOUCHSCREEN
+menuconfig TOUCHSCREEN_FILTER
+ boolean "Touchscreen Filtering"
+ depends on INPUT_TOUCHSCREEN
+ select TOUCHSCREEN_FILTER_GROUP
+ select TOUCHSCREEN_FILTER_MEDIAN
+ select TOUCHSCREEN_FILTER_MEAN
+ select TOUCHSCREEN_FILTER_LINEAR
+ help
+ Select this to include kernel touchscreen filter support. The filters
+ can be combined in any order in your machine init and the parameters
+ for them can also be set there.
+
+if TOUCHSCREEN_FILTER
+
+config TOUCHSCREEN_FILTER_GROUP
+ bool "Group Touchscreen Filter"
+ depends on INPUT_TOUCHSCREEN && TOUCHSCREEN_FILTER
+ default Y
+ help
+ Say Y here if you want to use the Group touchscreen filter, it
+ avoids using atypical samples.
+
+config TOUCHSCREEN_FILTER_MEDIAN
+ bool "Median Average Touchscreen Filter"
+ depends on INPUT_TOUCHSCREEN && TOUCHSCREEN_FILTER
+ default Y
+ help
+ Say Y here if you want to use the Median touchscreen filter, it's
+ highly effective if you data is noisy with occasional excursions.
+
+config TOUCHSCREEN_FILTER_MEAN
+ bool "Mean Average Touchscreen Filter"
+ depends on INPUT_TOUCHSCREEN && TOUCHSCREEN_FILTER
+ default Y
+ help
+ Say Y here if you want to use the Mean touchscreen filter, it
+ can further improve decent quality data by removing jitter
+
+config TOUCHSCREEN_FILTER_LINEAR
+ bool "Linear Touchscreen Filter"
+ depends on INPUT_TOUCHSCREEN && TOUCHSCREEN_FILTER
+ default Y
+ help
+ Say Y here if you want to use the Linear touchscreen filter, it
+ enables the use of calibration data for the touchscreen.
+
+endif
+
config TOUCHSCREEN_ADS7846
tristate "ADS7846/TSC2046 and ADS7843 based touchscreens"
depends on SPI_MASTER
--- a/drivers/input/touchscreen/Makefile
+++ b/drivers/input/touchscreen/Makefile
@@ -38,3 +38,8 @@ wm97xx-ts-$(CONFIG_TOUCHSCREEN_WM9713) +
obj-$(CONFIG_TOUCHSCREEN_WM97XX_MAINSTONE) += mainstone-wm97xx.o
obj-$(CONFIG_TOUCHSCREEN_WM97XX_ZYLONITE) += zylonite-wm97xx.o
obj-$(CONFIG_TOUCHSCREEN_S3C2410) += s3c2410_ts.o
+obj-$(CONFIG_TOUCHSCREEN_FILTER) += ts_filter_chain.o
+obj-$(CONFIG_TOUCHSCREEN_FILTER_GROUP) += ts_filter_group.o
+obj-$(CONFIG_TOUCHSCREEN_FILTER_LINEAR) += ts_filter_linear.o
+obj-$(CONFIG_TOUCHSCREEN_FILTER_MEDIAN) += ts_filter_median.o
+obj-$(CONFIG_TOUCHSCREEN_FILTER_MEAN) += ts_filter_mean.o
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