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lp8727_charger: Clear interrrupts at inital time

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To initialize the device, previous interrupts need to be cleared while
loading the driver.

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 09:24:09 +00:00 committed by Anton Vorontsov
parent d71fda0161
commit 638555d276
1 changed files with 8 additions and 0 deletions
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8
drivers/power/lp8727_charger.c
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@ -17,6 +17,7 @@
#include <linux/power_supply.h>
#include <linux/platform_data/lp8727.h>
#define LP8788_NUM_INTREGS 2
#define DEFAULT_DEBOUNCE_MSEC 270
/* Registers */
@ -136,6 +137,13 @@ static int lp8727_init_device(struct lp8727_chg *pchg)
{
u8 val;
int ret;
u8 intstat[LP8788_NUM_INTREGS];
/* clear interrupts */
ret = lp8727_read_bytes(pchg, INT1, intstat, LP8788_NUM_INTREGS);
if (ret)
return ret;
val = ID200_EN | ADC_EN | CP_EN;
ret = lp8727_write_byte(pchg, CTRL1, val);