diff options
Diffstat (limited to 'drivers/power')
| -rw-r--r-- | drivers/power/supply/smb347-charger.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/power/supply/smb347-charger.c b/drivers/power/supply/smb347-charger.c index d102921b3ab2..f99026d81f2a 100644 --- a/drivers/power/supply/smb347-charger.c +++ b/drivers/power/supply/smb347-charger.c @@ -8,6 +8,7 @@ * Mika Westerberg <mika.westerberg@linux.intel.com> */ +#include <linux/delay.h> #include <linux/err.h> #include <linux/gpio.h> #include <linux/kernel.h> @@ -708,6 +709,9 @@ static irqreturn_t smb347_interrupt(int irq, void *data) bool handled = false; int ret; + /* SMB347 it needs at least 20ms for setting IRQSTAT_E_*IN_UV_IRQ */ + usleep_range(25000, 35000); + ret = regmap_read(smb->regmap, STAT_C, &stat_c); if (ret < 0) { dev_warn(smb->dev, "reading STAT_C failed\n"); |