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| author | Kim, Milo <Milo.Kim@ti.com> | 2012-08-31 09:24:09 +0000 |
|---|---|---|
| committer | Anton Vorontsov <anton.vorontsov@linaro.org> | 2012-09-20 18:00:38 -0700 |
| commit | 638555d2769b7dfb8654bae513cff295ea9a3837 (patch) | |
| tree | c09a15530b99484f99e21c463c53bc48a867fab6 /drivers/power/lp8727_charger.c | |
| parent | d71fda01610269e3aaedd451f8d3e34cdf550036 (diff) | |
| download | lwn-638555d2769b7dfb8654bae513cff295ea9a3837.tar.gz lwn-638555d2769b7dfb8654bae513cff295ea9a3837.zip | |
lp8727_charger: Clear interrrupts at inital time
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>
Diffstat (limited to 'drivers/power/lp8727_charger.c')
| -rw-r--r-- | drivers/power/lp8727_charger.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/power/lp8727_charger.c b/drivers/power/lp8727_charger.c index 134ed5c7dde5..b5567bc99000 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); |