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path: root/drivers/input/keyboard/tegra-kbc.c
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Diffstat (limited to 'drivers/input/keyboard/tegra-kbc.c')
-rw-r--r--drivers/input/keyboard/tegra-kbc.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/input/keyboard/tegra-kbc.c b/drivers/input/keyboard/tegra-kbc.c
index da3828fc2c0..f270447ba95 100644
--- a/drivers/input/keyboard/tegra-kbc.c
+++ b/drivers/input/keyboard/tegra-kbc.c
@@ -19,6 +19,7 @@
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
+#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/input.h>
#include <linux/platform_device.h>
@@ -37,7 +38,7 @@
#define KBC_ROW_SCAN_DLY 5
/* KBC uses a 32KHz clock so a cycle = 1/32Khz */
-#define KBC_CYCLE_USEC 32
+#define KBC_CYCLE_MS 32
/* KBC Registers */
@@ -647,7 +648,7 @@ static int __devinit tegra_kbc_probe(struct platform_device *pdev)
debounce_cnt = min(pdata->debounce_cnt, KBC_MAX_DEBOUNCE_CNT);
scan_time_rows = (KBC_ROW_SCAN_TIME + debounce_cnt) * num_rows;
kbc->repoll_dly = KBC_ROW_SCAN_DLY + scan_time_rows + pdata->repeat_cnt;
- kbc->repoll_dly = ((kbc->repoll_dly * KBC_CYCLE_USEC) + 999) / 1000;
+ kbc->repoll_dly = DIV_ROUND_UP(kbc->repoll_dly, KBC_CYCLE_MS);
input_dev->name = pdev->name;
input_dev->id.bustype = BUS_HOST;