Hi,
On 1/13/21 3:46 PM, Kyle Tso wrote:
> On Wed, Jan 13, 2021 at 2:11 PM Badhri Jagan Sridharan
> <badhri@xxxxxxxxxx> wrote:
>>
>> Hi Kyle,
>>
>> Do you want to handle the FAST_ROLE_SWAP case as well ?
>>
> I forgot this part....
> Thanks for catching this.
> I will fix it.
That sounds like a v6 is upcoming which not only will have
code-style changes but also some functional changes ?
In that case I will wait a bit before running the tests
which I want to run with this patch-set and run those
tests with v6 so that I don't have to redo them later.
Regards,
Hans
>
>
>> You would have to fix up in two places:
>>
>> #1
>> - if (port->state == SNK_READY)
>> - tcpm_set_state(port, FR_SWAP_SEND, 0);
>> - else
>> + if (port->state == SNK_READY) {
>> + int ret;
>> +
>> + port->upcoming_state = FR_SWAP_SEND;
>> + ret = tcpm_ams_start(port, FAST_ROLE_SWAP);
>> + if (ret == -EAGAIN)
>> + port->upcoming_state = INVALID_STATE;
>> + } else {
>> tcpm_log(port, "Discarding FRS_SIGNAL!
>> Not in sink ready");
>> + }
>>
>> #2
>> --- a/drivers/usb/typec/tcpm/tcpm.c
>> +++ b/drivers/usb/typec/tcpm/tcpm.c
>> @@ -4449,9 +4449,14 @@ static void tcpm_enable_frs_work(struct
>> kthread_work *work)
>> if (port->state != SNK_READY || port->vdm_state !=
>> VDM_STATE_DONE || port->send_discover)
>> goto resched;
>>
>> - tcpm_set_state(port, GET_SINK_CAP, 0);
>> - port->sink_cap_done = true;
>> -
>> + port->upcoming_state = GET_SINK_CAP;
>> + ret = tcpm_ams_start(port, GET_SINK_CAPABILITIES);
>> + if (ret == -EAGAIN) {
>> + port->upcoming_state = INVALID_STATE;
>> + } else {
>> + port->sink_cap_done = true;
>> + goto unlock;
>> + }
>>
>> Thanks,
>> Badhri
>>
>>
>
