Hi Ajay,
On Tue, Feb 05, 2019 at 07:24:49PM +0000, Ajay Gupta wrote:
> > +static int ucsi_displayport_configure(struct ucsi_dp *dp) {
> > + u32 pins = DP_CONF_GET_PIN_ASSIGN(dp->data.conf);
> > + struct ucsi_control ctrl;
> > +
> > + if (!dp->override)
> > + return 0;
> > +
> > + ctrl.raw_cmd = UCSI_CMD_SET_NEW_CAM(dp->con->num, 1, dp-
> > >offset,
> > +pins);
> If previous CAM is active at this point then we should exit before setting new
> CAM. Please add something like :
>
> + if (!dp->override)
> + return 0;
>
> UCSI_CMD_GET_CURRENT_CAM(ctrl, dp->con->num);
> ret = ucsi_send_command(dp->con->ucsi, &ctrl, &cur, sizeof(cur));
> while ((cur != 0xff) && (cur != dp->offset)) {
> ctrl.raw_cmd = UCSI_CMD_SET_NEW_CAM(dp->con->num, 0, cur, 0);
> ret = ucsi_send_command(dp->con->ucsi, &ctrl, NULL, 0);
> UCSI_CMD_GET_CURRENT_CAM(ctrl, dp->con->num);
> ret = ucsi_send_command(dp->con->ucsi, &ctrl, &cur, sizeof(cur));
> }
> + ctrl.raw_cmd = UCSI_CMD_SET_NEW_CAM(dp->con->num, 1, dp-
I'll take a look at this before preparing the next version.
thanks,
--
heikki
