diff options
Diffstat (limited to 'drivers/input/touchscreen/ts_filter_median.c')
| -rw-r--r-- | drivers/input/touchscreen/ts_filter_median.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/drivers/input/touchscreen/ts_filter_median.c b/drivers/input/touchscreen/ts_filter_median.c index d60c4314b87..67dd3febd55 100644 --- a/drivers/input/touchscreen/ts_filter_median.c +++ b/drivers/input/touchscreen/ts_filter_median.c @@ -65,13 +65,18 @@ static void ts_filter_median_del(int *p, int value, int count) } -static void ts_filter_median_clear(struct ts_filter *tsf) +static void ts_filter_median_clear_internal(struct ts_filter *tsf) { struct ts_filter_median *tsfm = (struct ts_filter_median *)tsf; tsfm->pos = 0; tsfm->valid = 0; +} +static void ts_filter_median_clear(struct ts_filter *tsf) +{ + ts_filter_median_clear_internal(tsf); + if (tsf->next) /* chain */ (tsf->next->api->clear)(tsf->next); } @@ -92,10 +97,6 @@ static struct ts_filter *ts_filter_median_create(void * conf, int count_coords) tsfm->config->midpoint = (tsfm->config->extent >> 1) + 1; - printk(KERN_INFO" Creating Median ts filter len %d depth %d dec %d\n", - tsfm->config->extent, count_coords, - tsfm->config->decimation_threshold); - p = kmalloc(2 * count_coords * sizeof(int) * (tsfm->config->extent + 1), GFP_KERNEL); if (!p) { @@ -110,7 +111,11 @@ static struct ts_filter *ts_filter_median_create(void * conf, int count_coords) p += tsfm->config->extent + 1; } - ts_filter_median_clear(&tsfm->tsf); + ts_filter_median_clear_internal(&tsfm->tsf); + + printk(KERN_INFO" Created Median ts filter len %d depth %d dec %d\n", + tsfm->config->extent, count_coords, + tsfm->config->decimation_threshold); return &tsfm->tsf; } @@ -195,8 +200,8 @@ static int ts_filter_median_process(struct ts_filter *tsf, int *coords) if (tsf->next) /* chain */ return (tsf->next->api->process)(tsf->next, coords); - else - return 1; + + return 1; } struct ts_filter_api ts_filter_median_api = { |