lp8727_charger: Use specific definition

Add new LP8727_ICHG_SHIFT definition and replace a magic number. Reuse
definition for the size of interrupt register buffer.

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

1 files changed, 6 insertions, 3 deletions

diff --git a/drivers/power/lp8727_charger.c b/drivers/power/lp8727_charger.c
index 65c9840a37e..254bbe07c26 100644
--- a/drivers/power/lp8727_charger.c
+++ b/drivers/power/lp8727_charger.c
@@ -59,6 +59,9 @@
 #define LP8727_TEMP_STAT        (3 << 5)
 #define LP8727_TEMP_SHIFT       5
 
+/* CHGCTRL2 register */
+#define LP8727_ICHG_SHIFT       4
+
 enum lp8727_dev_id {
         LP8727_ID_NONE,
         LP8727_ID_TA,
@@ -222,11 +225,11 @@ static void lp8727_enable_chgdet(struct lp8727_chg *pchg)
 
 static void lp8727_delayed_func(struct work_struct *_work)
 {
-        u8 intstat[2], idno, vbus;
+        u8 intstat[LP8788_NUM_INTREGS], idno, vbus;
         struct lp8727_chg *pchg =
             container_of(_work, struct lp8727_chg, work.work);
 
-        if (lp8727_read_bytes(pchg, LP8727_INT1, intstat, 2)) {
+        if (lp8727_read_bytes(pchg, LP8727_INT1, intstat, LP8788_NUM_INTREGS)) {
                 dev_err(pchg->dev, "can not read INT registers\n");
                 return;
         }
@@ -401,7 +404,7 @@ static void lp8727_charger_changed(struct power_supply *psy)
                 if (pchg->chg_parm) {
                         eoc_level = pchg->chg_parm->eoc_level;
                         ichg = pchg->chg_parm->ichg;
-                        val = (ichg << 4) | eoc_level;
+                        val = (ichg << LP8727_ICHG_SHIFT) | eoc_level;
                         lp8727_write_byte(pchg, LP8727_CHGCTRL2, val);
                 }
         }