diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/configs/gta02-moredrivers-defconfig | 2 | ||||
-rw-r--r-- | arch/arm/mach-s3c2440/mach-gta02.c | 25 |
2 files changed, 13 insertions, 14 deletions
diff --git a/arch/arm/configs/gta02-moredrivers-defconfig b/arch/arm/configs/gta02-moredrivers-defconfig index eb7d6b7a885..fbaf760e4fa 100644 --- a/arch/arm/configs/gta02-moredrivers-defconfig +++ b/arch/arm/configs/gta02-moredrivers-defconfig @@ -980,9 +980,9 @@ CONFIG_INPUT_MOUSE=y # CONFIG_INPUT_TABLET is not set CONFIG_INPUT_TOUCHSCREEN=y CONFIG_TOUCHSCREEN_FILTER=y +CONFIG_TOUCHSCREEN_FILTER_GROUP=y CONFIG_TOUCHSCREEN_FILTER_MEDIAN=y CONFIG_TOUCHSCREEN_FILTER_MEAN=y -CONFIG_TOUCHSCREEN_FILTER_VARIANCE=y # CONFIG_TOUCHSCREEN_ADS7846 is not set # CONFIG_TOUCHSCREEN_FUJITSU is not set CONFIG_TOUCHSCREEN_S3C2410=y diff --git a/arch/arm/mach-s3c2440/mach-gta02.c b/arch/arm/mach-s3c2440/mach-gta02.c index 41ba0c8f586..e90f82bdfc3 100644 --- a/arch/arm/mach-s3c2440/mach-gta02.c +++ b/arch/arm/mach-s3c2440/mach-gta02.c @@ -105,7 +105,7 @@ #include <linux/ts_filter_mean.h> #include <linux/ts_filter_median.h> -#include <linux/ts_filter_variance.h> +#include <linux/ts_filter_group.h> /* arbitrates which sensor IRQ owns the shared SPI bus */ static spinlock_t motion_irq_lock; @@ -1019,35 +1019,34 @@ static struct s3c2410_udc_mach_info gta02_udc_cfg = { /* touchscreen configuration */ -static struct ts_filter_variance_configuration gta02_ts_variance_config = { - .extent = 20, - .window = 5, - .threshold = 10, /* variance = 10, std = 3.1623 */ - .attempts = 5, /* try 5 times before giving up */ +static struct ts_filter_group_configuration gta02_ts_group_config = { + .extent = 12, + .close_enough = 10, + .threshold = 6, /* at least half of the points in a group */ + .attempts = 10, }; static struct ts_filter_median_configuration gta02_ts_median_config = { - .extent = 31, - .decimation_below = 5, + .extent = 20, + .decimation_below = 3, .decimation_threshold = 8 * 3, - .decimation_above = 10, + .decimation_above = 4, }; static struct ts_filter_mean_configuration gta02_ts_mean_config = { - .bits_filter_length = 3, - .averaging_threshold = 6 * 3, + .bits_filter_length = 2, /* 4 points */ }; static struct s3c2410_ts_mach_info gta02_ts_cfg = { .delay = 10000, .presc = 0xff, /* slow as we can go */ .filter_sequence = { - [0] = &ts_filter_variance_api, + [0] = &ts_filter_group_api, [1] = &ts_filter_median_api, [2] = &ts_filter_mean_api, }, .filter_config = { - [0] = >a02_ts_variance_config, + [0] = >a02_ts_group_config, [1] = >a02_ts_median_config, [2] = >a02_ts_mean_config, }, |