"Power Reading" bit is introduced in UCSI v2.1 and so limit the
check for that bit only if version supported is 2.1 or above.
Fixes: c851b71fd6cd ("usb: typec: ucsi: Add support for READ_POWER_LEVEL command")
Signed-off-by: Venkat Jayaraman <venkat.jayaraman@xxxxxxxxx>
Reviewed-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>
---
drivers/usb/typec/ucsi/ucsi.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c
index 0d6b0cf5a7cd..3f568f790f39 100644
--- a/drivers/usb/typec/ucsi/ucsi.c
+++ b/drivers/usb/typec/ucsi/ucsi.c
@@ -1293,7 +1293,8 @@ static void ucsi_handle_connector_change(struct work_struct *work)
if (change & UCSI_CONSTAT_BC_CHANGE)
ucsi_port_psy_changed(con);
- if (UCSI_CONSTAT(con, PWR_READING_READY_V2_1)) {
+ if (con->ucsi->version >= UCSI_VERSION_2_1 &&
+ UCSI_CONSTAT(con, PWR_READING_READY_V2_1)) {
curr_scale = UCSI_CONSTAT(con, CURRENT_SCALE_V2_1);
volt_scale = UCSI_CONSTAT(con, VOLTAGE_SCALE_V2_1);
--
2.43.0
