[patch v1 1/1]mfd: fix for DA9055 driver initialization

From: Ankur Raina
Date: Thu Jun 27 2013 - 10:19:40 EST


This patch adds support for clearing events received while
powering up DA9055.

Signed-off-by: Ankur <Ankur.Raina@xxxxxxxxxxxxxxx>
---
drivers/mfd/da9055-core.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/drivers/mfd/da9055-core.c b/drivers/mfd/da9055-core.c
index 49cb23d..e4c0596 100644
--- a/drivers/mfd/da9055-core.c
+++ b/drivers/mfd/da9055-core.c
@@ -381,6 +381,7 @@ int da9055_device_init(struct da9055 *da9055)
{
struct da9055_pdata *pdata = da9055->dev->platform_data;
int ret;
+ uint8_t clear_events[3] = {0xFF, 0xFF, 0xFF};

if (pdata && pdata->init != NULL)
pdata->init(da9055);
@@ -390,6 +391,10 @@ int da9055_device_init(struct da9055 *da9055)
else
da9055->irq_base = pdata->irq_base;

+ ret = da9055_group_write(da9055, DA9055_REG_EVENT_A, 3, clear_events);
+ if (ret < 0)
+ return ret;
+
ret = regmap_add_irq_chip(da9055->regmap, da9055->chip_irq,
IRQF_TRIGGER_LOW | IRQF_ONESHOT,
da9055->irq_base, &da9055_regmap_irq_chip,
--
1.7.1