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| author | Prashant Malani <pmalani@chromium.org> | 2023-01-20 20:58:26 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-01-24 18:15:43 +0100 |
| commit | 25d6d1bfc213bce03d2e34c9e43477e01ffba7c3 (patch) | |
| tree | c229f3f92e2571ebe2fadb11aaf44c03450c45d9 /drivers | |
| parent | 6f7fb48d2478091e5d7a49d331c230715c4dc65e (diff) | |
| download | lwn-25d6d1bfc213bce03d2e34c9e43477e01ffba7c3.tar.gz lwn-25d6d1bfc213bce03d2e34c9e43477e01ffba7c3.zip | |
usb: typec: altmodes/displayport: Update active state
Update the altmode "active" state when we receive Acks for Enter and
Exit Mode commands. Having the right state is necessary to change Pin
Assignments using the 'pin_assignment" sysfs file.
Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Benson Leung <bleung@chromium.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Link: https://lore.kernel.org/r/20230120205827.740900-1-pmalani@chromium.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/typec/altmodes/displayport.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/usb/typec/altmodes/displayport.c b/drivers/usb/typec/altmodes/displayport.c index 746bfbf3d557..20db51471c98 100644 --- a/drivers/usb/typec/altmodes/displayport.c +++ b/drivers/usb/typec/altmodes/displayport.c @@ -277,9 +277,11 @@ static int dp_altmode_vdm(struct typec_altmode *alt, case CMDT_RSP_ACK: switch (cmd) { case CMD_ENTER_MODE: + typec_altmode_update_active(alt, true); dp->state = DP_STATE_UPDATE; break; case CMD_EXIT_MODE: + typec_altmode_update_active(alt, false); dp->data.status = 0; dp->data.conf = 0; break; |