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