diff options
| author | Ayushee Shah <ayushee.shah@intel.com> | 2020-12-08 15:20:54 -0800 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2020-12-10 18:26:43 +0000 |
| commit | b5a5c7b205e72e862abe751644d9eee124bb1c2c (patch) | |
| tree | 76dbbd0813957d697b47fb1d507de2844ae1823e | |
| parent | e200d3747d694c8137f254ac1000169d541f2822 (diff) | |
| download | chrome-ec-b5a5c7b205e72e862abe751644d9eee124bb1c2c.tar.gz | |
TCPMv2: Enter USB4 mode if cable supports TBT_SS_U32_GEN1 speed
If cable supports TBT_SS_U32_GEN1 i.e. 10Gbps per lane, enable
entering USB4 mode
BUG=b:175139039
BRANCH=None
TEST=Able to enter into USB4 mode with Thunderbolt Gen 1 cables
Signed-off-by: Ayushee Shah <ayushee.shah@intel.com>
Change-Id: I10684f96e8d6e67b1086fbc560ec372e7f5b6cba
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2580851
Reviewed-by: Tanu Malhotra <tanu.malhotra@intel.com>
Reviewed-by: Abe Levkoy <alevkoy@chromium.org>
| -rw-r--r-- | common/usb_pd_alt_mode_dfp.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/common/usb_pd_alt_mode_dfp.c b/common/usb_pd_alt_mode_dfp.c index 151e6c2594..1c1801ff75 100644 --- a/common/usb_pd_alt_mode_dfp.c +++ b/common/usb_pd_alt_mode_dfp.c @@ -894,7 +894,7 @@ __overridable enum tbt_compat_cable_speed board_get_max_tbt_speed(int port) * the port and the response received from the cable, whichever is least. * * For Cable rev 2.0: If get_tbt_cable_speed() is less than - * TBT_SS_U32_GEN1_GEN2, return USB_R30_SS_U2_ONLY speed since the board + * TBT_SS_U31_GEN1, return USB_R30_SS_U2_ONLY speed since the board * doesn't support superspeed else the USB4 cable speed is set according to * the cable response. */ @@ -905,7 +905,7 @@ enum usb_rev30_ss get_usb4_cable_speed(int port) enum usb_rev30_ss max_usb4_speed; - if (tbt_speed < TBT_SS_U32_GEN1_GEN2) + if (tbt_speed < TBT_SS_U31_GEN1) return USB_R30_SS_U2_ONLY; /* |