Messages in this thread Patch in this message | | | From | "Kim, Milo" <> | Subject | [PATCH 07/22] lp8727_charger: clear interrrupts at inital time | Date | Fri, 31 Aug 2012 09:24:09 +0000 |
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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> --- drivers/power/lp8727_charger.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/drivers/power/lp8727_charger.c b/drivers/power/lp8727_charger.c index 134ed5c..b5567bc 100644 --- a/drivers/power/lp8727_charger.c +++ b/drivers/power/lp8727_charger.c @@ -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); -- 1.7.9.5
Best Regards, Milo
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