diff options
Diffstat (limited to 'arch/arm/mach-s3c2440/mach-gta02.c')
| -rw-r--r-- | arch/arm/mach-s3c2440/mach-gta02.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/arch/arm/mach-s3c2440/mach-gta02.c b/arch/arm/mach-s3c2440/mach-gta02.c index 0b9611f636f..02bd6c4fb9e 100644 --- a/arch/arm/mach-s3c2440/mach-gta02.c +++ b/arch/arm/mach-s3c2440/mach-gta02.c @@ -105,6 +105,7 @@ #include <linux/ts_filter_mean.h> #include <linux/ts_filter_median.h> +#include <linux/ts_filter_variance.h> /* arbitrates which sensor IRQ owns the shared SPI bus */ static spinlock_t motion_irq_lock; @@ -1015,6 +1016,13 @@ 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_median_configuration gta02_ts_median_config = { .extent = 31, .decimation_below = 5, @@ -1031,12 +1039,14 @@ static struct s3c2410_ts_mach_info gta02_ts_cfg = { .delay = 10000, .presc = 0xff, /* slow as we can go */ .filter_sequence = { - [0] = &ts_filter_median_api, - [1] = &ts_filter_mean_api, + [0] = &ts_filter_variance_api, + [1] = &ts_filter_median_api, + [2] = &ts_filter_mean_api, }, .filter_config = { - [0] = >a02_ts_median_config, - [1] = >a02_ts_mean_config, + [0] = >a02_ts_variance_config, + [1] = >a02_ts_median_config, + [2] = >a02_ts_mean_config, }, }; |