lp8727_charger: Clean up lp8727_is_charger_attached()

Change return type to boolean. Remove unnecessary check routine for NULL
string. (Power supply name is always valid when the function is executed.)

Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>

1 files changed, 6 insertions, 8 deletions

diff --git a/drivers/power/lp8727_charger.c b/drivers/power/lp8727_charger.c
index 254bbe07c269..658518ba675b 100644
--- a/drivers/power/lp8727_charger.c
+++ b/drivers/power/lp8727_charger.c
@@ -124,16 +124,14 @@ static int lp8727_write_byte(struct lp8727_chg *pchg, u8 reg, u8 data)
         return ret;
 }
 
-static int lp8727_is_charger_attached(const char *name, int id)
+static bool lp8727_is_charger_attached(const char *name, int id)
 {
-        if (name) {
-                if (!strcmp(name, "ac"))
-                        return (id == LP8727_ID_TA || id == LP8727_ID_DEDICATED_CHG) ? 1 : 0;
-                else if (!strcmp(name, "usb"))
-                        return (id == LP8727_ID_USB_CHG) ? 1 : 0;
-        }
+        if (!strcmp(name, "ac"))
+                return id == LP8727_ID_TA || id == LP8727_ID_DEDICATED_CHG;
+        else if (!strcmp(name, "usb"))
+                return id == LP8727_ID_USB_CHG;
 
-        return (id >= LP8727_ID_TA && id <= LP8727_ID_USB_CHG) ? 1 : 0;
+        return id >= LP8727_ID_TA && id <= LP8727_ID_USB_CHG;
 }
 
 static int lp8727_init_device(struct lp8727_chg *pchg)