diff options
| author | Venkat Jayaraman <venkat.jayaraman@intel.com> | 2025-09-05 11:44:01 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-09-06 15:24:10 +0200 |
| commit | 1bc28f015a19a10b7a305fc561c1143c34a1e04a (patch) | |
| tree | 37ef0e3ad6ebf578a46dcf31e6968ca63219b176 | |
| parent | 87c5ff5615dc0a37167e8faf3adeeddc6f1344a3 (diff) | |
usb: typec: ucsi: Add check for UCSI version
"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@intel.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20250905184401.3222530-1-venkat.jayaraman@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/usb/typec/ucsi/ucsi.c | 3 |
1 files changed, 2 insertions, 1 deletions
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); |