target/linux/s3c24xx/patches-2.6.30/052-touchscreen_filter.patch

   1 --- a/drivers/input/touchscreen/Kconfig
   2 +++ b/drivers/input/touchscreen/Kconfig
   3 @@ -11,6 +11,54 @@ menuconfig INPUT_TOUCHSCREEN
   4
   5  if INPUT_TOUCHSCREEN
   6
   7 +menuconfig TOUCHSCREEN_FILTER
   8 +       boolean "Touchscreen Filtering"
   9 +       depends on INPUT_TOUCHSCREEN
  10 +       select TOUCHSCREEN_FILTER_GROUP
  11 +       select TOUCHSCREEN_FILTER_MEDIAN
  12 +       select TOUCHSCREEN_FILTER_MEAN
  13 +       select TOUCHSCREEN_FILTER_LINEAR
  14 +       help
  15 +         Select this to include kernel touchscreen filter support.  The filters
  16 +         can be combined in any order in your machine init and the parameters
  17 +         for them can also be set there.
  18 +
  19 +if TOUCHSCREEN_FILTER
  20 +
  21 +config TOUCHSCREEN_FILTER_GROUP
  22 +       bool "Group Touchscreen Filter"
  23 +       depends on INPUT_TOUCHSCREEN && TOUCHSCREEN_FILTER
  24 +       default Y
  25 +       help
  26 +         Say Y here if you want to use the Group touchscreen filter, it
  27 +         avoids using atypical samples.
  28 +
  29 +config TOUCHSCREEN_FILTER_MEDIAN
  30 +       bool "Median Average Touchscreen Filter"
  31 +       depends on INPUT_TOUCHSCREEN && TOUCHSCREEN_FILTER
  32 +       default Y
  33 +       help
  34 +         Say Y here if you want to use the Median touchscreen filter, it's
  35 +         highly effective if you data is noisy with occasional excursions.
  36 +
  37 +config TOUCHSCREEN_FILTER_MEAN
  38 +       bool "Mean Average Touchscreen Filter"
  39 +       depends on INPUT_TOUCHSCREEN && TOUCHSCREEN_FILTER
  40 +       default Y
  41 +       help
  42 +         Say Y here if you want to use the Mean touchscreen filter, it
  43 +         can further improve decent quality data by removing jitter
  44 +
  45 +config TOUCHSCREEN_FILTER_LINEAR
  46 +       bool "Linear Touchscreen Filter"
  47 +       depends on INPUT_TOUCHSCREEN && TOUCHSCREEN_FILTER
  48 +       default Y
  49 +       help
  50 +         Say Y here if you want to use the Linear touchscreen filter, it
  51 +         enables the use of calibration data for the touchscreen.
  52 +
  53 +endif
  54 +
  55  config TOUCHSCREEN_ADS7846
  56         tristate "ADS7846/TSC2046 and ADS7843 based touchscreens"
  57         depends on SPI_MASTER
  58 --- a/drivers/input/touchscreen/Makefile
  59 +++ b/drivers/input/touchscreen/Makefile
  60 @@ -38,3 +38,8 @@ wm97xx-ts-$(CONFIG_TOUCHSCREEN_WM9713)        +
  61  obj-$(CONFIG_TOUCHSCREEN_WM97XX_MAINSTONE)     += mainstone-wm97xx.o
  62  obj-$(CONFIG_TOUCHSCREEN_WM97XX_ZYLONITE)      += zylonite-wm97xx.o
  63  obj-$(CONFIG_TOUCHSCREEN_S3C2410)      += s3c2410_ts.o
  64 +obj-$(CONFIG_TOUCHSCREEN_FILTER)       += ts_filter_chain.o
  65 +obj-$(CONFIG_TOUCHSCREEN_FILTER_GROUP) += ts_filter_group.o
  66 +obj-$(CONFIG_TOUCHSCREEN_FILTER_LINEAR)        += ts_filter_linear.o
  67 +obj-$(CONFIG_TOUCHSCREEN_FILTER_MEDIAN)        += ts_filter_median.o
  68 +obj-$(CONFIG_TOUCHSCREEN_FILTER_MEAN)  += ts_filter_mean.o