Messages in this thread Patch in this message | | | Date | Wed, 18 Jan 2023 11:39:46 +0200 | From | Heikki Krogerus <> | Subject | Re: [PATCH] usb: typec: altmodes/displayport: Update active state |
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On Wed, Jan 18, 2023 at 03:15:15AM +0000, Prashant Malani wrote: > 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.
The idea was that the port drivers take care of this, not the altmode drivers.
thanks,
> Fixes: 0e3bb7d6894d ("usb: typec: Add driver for DisplayPort alternate mode") > Cc: stable@vger.kernel.org > Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com> > Signed-off-by: Prashant Malani <pmalani@chromium.org> > --- > drivers/usb/typec/altmodes/displayport.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/usb/typec/altmodes/displayport.c b/drivers/usb/typec/altmodes/displayport.c > index 06fb4732f8cd..bc1c556944d6 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; > -- > 2.39.0.314.g84b9a713c41-goog
-- heikki
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