extcon: Use BIT() macro for the left-shift operation

This patch just uses the BIT() macro to make the code simple.

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>

diff --git a/drivers/extcon/extcon.c b/drivers/extcon/extcon.c
index 6817e04..f422a78 100644 (file)
--- a/drivers/extcon/extcon.c
+++ b/drivers/extcon/extcon.c
@@ -377,7 +377,7 @@ static ssize_t state_show(struct device *dev, struct device_attribute *attr,
        for (i = 0; i < edev->max_supported; i++) {
                count += sprintf(buf + count, "%s=%d\n",
                                extcon_info[edev->supported_cable[i]].name,
-                                !!(edev->state & (1 << i)));
+                                !!(edev->state & BIT(i)));
        }
 
        return count;