diff options
Diffstat (limited to 'arch/arm/mach-s3c2440/mach-gta02.c')
| -rw-r--r-- | arch/arm/mach-s3c2440/mach-gta02.c | 37 |
1 files changed, 27 insertions, 10 deletions
diff --git a/arch/arm/mach-s3c2440/mach-gta02.c b/arch/arm/mach-s3c2440/mach-gta02.c index 0ccb7fba850..6b44f1731b6 100644 --- a/arch/arm/mach-s3c2440/mach-gta02.c +++ b/arch/arm/mach-s3c2440/mach-gta02.c @@ -92,6 +92,9 @@ #include "../plat-s3c24xx/neo1973_pm_gps.h" +#include <linux/ts_filter_mean.h> +#include <linux/ts_filter_median.h> + /* arbitrates which sensor IRQ owns the shared SPI bus */ static spinlock_t motion_irq_lock; @@ -939,20 +942,34 @@ static struct s3c2410_udc_mach_info gta02_udc_cfg = { }; + +/* touchscreen configuration */ + +static struct ts_filter_median_configuration gta02_ts_median_config = { + .extent = 31, + .decimation_below = 28, + .decimation_threshold = 8 * 3, + .decimation_above = 12, +}; + +static struct ts_filter_mean_configuration gta02_ts_mean_config = { + .bits_filter_length = 3, + .averaging_threshold = 6 * 3, +}; + static struct s3c2410_ts_mach_info gta02_ts_cfg = { .delay = 10000, - .presc = 50000000 / 1000000, /* 50 MHz PCLK / 1MHz */ - /* simple averaging, 2^n samples */ - .oversampling_shift = 5, - /* averaging filter length, 2^n */ - .excursion_filter_len_bits = 5, - /* flagged for beauty contest on next sample if differs from - * average more than this - */ - .reject_threshold_vs_avg = 2, + .presc = 0xff, /* slow as we can go */ + .filter_sequence = { + [0] = &ts_filter_median_api, + [1] = &ts_filter_mean_api, + }, + .filter_config = { + [0] = >a02_ts_median_config, + [1] = >a02_ts_mean_config, + }, }; - /* SPI: LCM control interface attached to Glamo3362 */ static void gta02_jbt6k74_reset(int devidx, int level) |