From: Angelo Dureghello <adureghello@xxxxxxxxxxxx>
Clear reset status flag, to keep error status register
clean after reset (ad3552r manual, rev B table 38).
Fixes: 0b4d9fe58be8 ("iio: dac: ad3552r: add high-speed platform driver")
Signed-off-by: Angelo Dureghello <adureghello@xxxxxxxxxxxx>
---
drivers/iio/dac/ad3552r-hs.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/iio/dac/ad3552r-hs.c b/drivers/iio/dac/ad3552r-hs.c
index 216c634f3eaf..8974df625670 100644
--- a/drivers/iio/dac/ad3552r-hs.c
+++ b/drivers/iio/dac/ad3552r-hs.c
@@ -329,6 +329,12 @@ static int ad3552r_hs_setup(struct ad3552r_hs_state *st)
dev_info(st->dev, "Chip ID error. Expected 0x%x, Read 0x%x\n",
AD3552R_ID, id);
+ /* Clear reset error flag, see ad3552r manual, rev B table 38. */
+ ret = st->data->bus_reg_write(st->back, AD3552R_REG_ADDR_ERR_STATUS,
+ AD3552R_MASK_RESET_STATUS, 1);
+ if (ret)
+ return ret;
+
ret = st->data->bus_reg_write(st->back,
AD3552R_REG_ADDR_SH_REFERENCE_CONFIG,
0, 1);
--
2.47.0
