From: YueHaibing yuehaibing@huawei.com
[ Upstream commit d04afe14b23651e7a8bc89727a759e982a8458e4 ]
In stmfts_sysfs_hover_enable_write(), we should check value and sdata->hover_enabled is all true.
Fixes: 78bcac7b2ae1 ("Input: add support for the STMicroelectronics FingerTip touchscreen") Signed-off-by: YueHaibing yuehaibing@huawei.com Link: https://lore.kernel.org/r/20200916141941.16684-1-yuehaibing@huawei.com Signed-off-by: Dmitry Torokhov dmitry.torokhov@gmail.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/input/touchscreen/stmfts.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/input/touchscreen/stmfts.c b/drivers/input/touchscreen/stmfts.c index b6f95f20f924..cd8805d71d97 100644 --- a/drivers/input/touchscreen/stmfts.c +++ b/drivers/input/touchscreen/stmfts.c @@ -479,7 +479,7 @@ static ssize_t stmfts_sysfs_hover_enable_write(struct device *dev,
mutex_lock(&sdata->mutex);
- if (value & sdata->hover_enabled) + if (value && sdata->hover_enabled) goto out;
if (sdata->running)