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-rw-r--r--drivers/power/supply/smb347-charger.c4
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");