[PATCH 5.19 316/717] platform/chrome: cros_ec_typec: Correct alt mode index

Greg Kroah-Hartman
2022-10-22T08:20:55Z

From: Prashant Malani <pmalani@chromium.org>

[ Upstream commit 4e477663e396f48c5cfc5f2d75d4b514f409516a ]

Alt mode indices used by USB PD (Power Delivery) start with 1, not 0.

Update the alt mdoe registration code to factor this in to the alt mode
descriptor.

Fixes: de0f49487db3 ("platform/chrome: cros_ec_typec: Register partner altmodes")
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://lore.kernel.org/r/20220819190807.1275937-3-pmalani@chromium.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/platform/chrome/cros_ec_typec.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/platform/chrome/cros_ec_typec.c b/drivers/platform/chrome/cros_ec_typec.c
index 7cb2e35c4ded..1305a22a8831 100644
--- a/drivers/platform/chrome/cros_ec_typec.c
+++ b/drivers/platform/chrome/cros_ec_typec.c
@@ -669,7 +669,7 @@ static int cros_typec_register_altmodes(struct cros_typec_data *typec, int port_
for (j = 0; j < sop_disc->svids[i].mode_count; j++) {
memset(&desc, 0, sizeof(desc));
desc.svid = sop_disc->svids[i].svid;
- desc.mode = j;
+ desc.mode = j + 1;
desc.vdo = sop_disc->svids[i].mode_vdo[j];

if (is_partner)
--
2.35.1