diff options
| author | Ajay Gupta <ajayg@nvidia.com> | 2019-04-23 17:21:51 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-04-25 11:04:56 +0200 |
| commit | cf28369c634fafb5f4e81750cba6988cdb4b4490 (patch) | |
| tree | 3edcbf058cd44f61456b53643828617b16e16034 /drivers/usb/typec/ucsi | |
| parent | d266e96820cc3654ba1338c55e5731fc67030d8e (diff) | |
usb: typec: Add driver for NVIDIA Alt Modes
Latest NVIDIA GPUs support VirtualLink device. Since USBIF
has not assigned a Standard ID (SID) for VirtualLink
so using NVIDA VID 0x955 as SVID.
Signed-off-by: Ajay Gupta <ajayg@nvidia.com>
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/typec/ucsi')
| -rw-r--r-- | drivers/usb/typec/ucsi/ucsi.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c index b4fb2e05d2e5..7850b851cecd 100644 --- a/drivers/usb/typec/ucsi/ucsi.c +++ b/drivers/usb/typec/ucsi/ucsi.c @@ -283,6 +283,7 @@ static int ucsi_register_altmode(struct ucsi_connector *con, switch (desc->svid) { case USB_TYPEC_DP_SID: + case USB_TYPEC_NVIDIA_VLINK_SID: alt = ucsi_register_displayport(con, override, i, desc); break; default: @@ -404,7 +405,8 @@ static void ucsi_unregister_altmodes(struct ucsi_connector *con, u8 recipient) while (adev[i]) { if (recipient == UCSI_RECIPIENT_SOP && - adev[i]->svid == USB_TYPEC_DP_SID) { + (adev[i]->svid == USB_TYPEC_DP_SID || + adev[i]->svid == USB_TYPEC_NVIDIA_VLINK_SID)) { pdev = typec_altmode_get_partner(adev[i]); ucsi_displayport_remove_partner((void *)pdev); } |