--- 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