[PATCH v1] Input: tegra-kbc - fix computation of polling time
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STALE5549d
From: <hidden>
Date: 2011-07-29 23:17:00
Also in:
lkml
Subsystem:
input (keyboard, mouse, joystick, touchscreen) drivers, tegra kbc driver, the rest · Maintainers:
Dmitry Torokhov, Laxman Dewangan, Linus Torvalds
From: Rakesh Iyer <redacted> Fix a constant definition and computation of polling time. Signed-off-by: Rakesh Iyer <redacted> --- drivers/input/keyboard/tegra-kbc.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/input/keyboard/tegra-kbc.c b/drivers/input/keyboard/tegra-kbc.c
index da3828f..263f6fc 100644
--- a/drivers/input/keyboard/tegra-kbc.c
+++ b/drivers/input/keyboard/tegra-kbc.c@@ -37,7 +37,7 @@ #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 +647,7 @@ 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 = (kbc->repoll_dly + KBC_CYCLE_MS - 1) / KBC_CYCLE_MS; input_dev->name = pdev->name; input_dev->id.bustype = BUS_HOST;
--
1.7.1