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

Message ID 20221022072508.049503779@linuxfoundation.org
State New
Headers
Series None |

Commit Message

Greg KH Oct. 22, 2022, 7:23 a.m. UTC
  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(-)
  

Patch

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)