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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>
This commit is contained in:
Kim, Milo 2012-08-31 09:25:07 +00:00 committed by Anton Vorontsov
parent 6029719f08
commit 18763a36d0
1 changed files with 6 additions and 3 deletions
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9
drivers/power/lp8727_charger.c
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@ -59,6 +59,9 @@
#define LP8727_TEMP_STAT (3 << 5) #define LP8727_TEMP_STAT (3 << 5)
#define LP8727_TEMP_SHIFT 5 #define LP8727_TEMP_SHIFT 5
/* CHGCTRL2 register */
#define LP8727_ICHG_SHIFT 4
enum lp8727_dev_id { enum lp8727_dev_id {
LP8727_ID_NONE, LP8727_ID_NONE,
LP8727_ID_TA, 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) 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 = struct lp8727_chg *pchg =
container_of(_work, struct lp8727_chg, work.work); 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"); dev_err(pchg->dev, "can not read INT registers\n");
return; return;
} }
@ -401,7 +404,7 @@ static void lp8727_charger_changed(struct power_supply *psy)
if (pchg->chg_parm) { if (pchg->chg_parm) {
eoc_level = pchg->chg_parm->eoc_level; eoc_level = pchg->chg_parm->eoc_level;
ichg = pchg->chg_parm->ichg; ichg = pchg->chg_parm->ichg;
val = (ichg << 4) | eoc_level; val = (ichg << LP8727_ICHG_SHIFT) | eoc_level;
lp8727_write_byte(pchg, LP8727_CHGCTRL2, val); lp8727_write_byte(pchg, LP8727_CHGCTRL2, val);
} }
} }