From: George Stark <[email protected]>
According to datasheets of aw200xx devices software reset takes at
least 1ms so add delay after reset before issuing commands to device.
Signed-off-by: George Stark <[email protected]>
Signed-off-by: Dmitry Rokosov <[email protected]>
---
drivers/leds/leds-aw200xx.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/leds/leds-aw200xx.c b/drivers/leds/leds-aw200xx.c
index aab8898b0330..ae3b4a96c52c 100644
--- a/drivers/leds/leds-aw200xx.c
+++ b/drivers/leds/leds-aw200xx.c
@@ -321,6 +321,9 @@ static int aw200xx_chip_reset(const struct aw200xx *const chip)
if (ret)
return ret;
+ /* according to datasheet software reset takes at least 1ms */
+ fsleep(1000);
+
regcache_mark_dirty(chip->regmap);
return regmap_write(chip->regmap, AW200XX_REG_FCD, AW200XX_FCD_CLEAR);
}
--
2.36.0