Re: [PATCH v3] usb: typec: tcpm: Fix TDA 2.2.1.1 and TDA 2.2.1.2 failures

2020-08-13 Thread Badhri Jagan Sridharan
Hi Heikki, Sure. I will try to address your question here and will update the commit description once you are satisfied with the description. However, I have to quote the spec as spec is the source of truth. But, I will try to link to code. I corrected the test case numbers as well. Subject: Fix

Re: [PATCH v3] usb: typec: tcpm: Fix TDA 2.2.1.1 and TDA 2.2.1.2 failures

2020-08-13 Thread Heikki Krogerus
Hi, On Tue, Aug 11, 2020 at 07:51:26PM -0700, Badhri Jagan Sridharan wrote: > >From the spec: > "7.1.5 Response to Hard Resets > Hard Reset Signaling indicates a communication failure has occurred and > the Source Shall stop driving VCONN, Shall remove Rp from the VCONN pin > and Shall drive VBUS

[PATCH v3] usb: typec: tcpm: Fix TDA 2.2.1.1 and TDA 2.2.1.2 failures

2020-08-11 Thread Badhri Jagan Sridharan
>From the spec: "7.1.5 Response to Hard Resets Hard Reset Signaling indicates a communication failure has occurred and the Source Shall stop driving VCONN, Shall remove Rp from the VCONN pin and Shall drive VBUS to vSafe0V as shown in Figure 7-9. The USB connection May reset during a Hard Reset