diff options
Diffstat (limited to 'board/keyborg/touch_scan.c')
| -rw-r--r-- | board/keyborg/touch_scan.c | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/board/keyborg/touch_scan.c b/board/keyborg/touch_scan.c index 5cc3f25a05..6441899272 100644 --- a/board/keyborg/touch_scan.c +++ b/board/keyborg/touch_scan.c @@ -162,10 +162,7 @@ void touch_scan_slave_start(void) resp->data[ROW_COUNT - 1 - i] = v; } - /* Trim trailing zeros. */ - for (i = 0; i < ROW_COUNT; ++i) - if (resp->data[i] >= THRESHOLD) - resp->size = i + 1; + resp->size = ROW_COUNT; /* Flush the last response */ if (col != 0) @@ -220,9 +217,7 @@ int touch_scan_full_matrix(void) resp = spi_master_wait_response_done(); if (resp == NULL) return EC_ERROR_UNKNOWN; - memcpy(last_dptr, resp->data, resp->size); - memset(last_dptr + resp->size, 0, - ROW_COUNT - resp->size); + memcpy(last_dptr, resp->data, ROW_COUNT); encode_add_column(last_dptr); } @@ -242,8 +237,7 @@ int touch_scan_full_matrix(void) resp = spi_master_wait_response_done(); if (resp == NULL) return EC_ERROR_UNKNOWN; - memcpy(last_dptr, resp->data, resp->size); - memset(last_dptr + resp->size, 0, ROW_COUNT - resp->size); + memcpy(last_dptr, resp->data, ROW_COUNT); encode_add_column(last_dptr); master_slave_sync(20); |