Re: [PATCH v11 2/2] usb: xhci: Add Clear_TT_Buffer

2019-06-03 Thread Mathias Nyman
On 3.6.2019 13.53, Jim Lin wrote: USB 2.0 specification chapter 11.17.5 says "as part of endpoint halt processing for full-/low-speed endpoints connected via a TT, the host software must use the Clear_TT_Buffer request to the TT to ensure that the buffer is not in the busy state". In our case,

[PATCH v11 2/2] usb: xhci: Add Clear_TT_Buffer

2019-06-03 Thread Jim Lin
USB 2.0 specification chapter 11.17.5 says "as part of endpoint halt processing for full-/low-speed endpoints connected via a TT, the host software must use the Clear_TT_Buffer request to the TT to ensure that the buffer is not in the busy state". In our case, a full-speed speaker (ConferenceCam)

[PATCH v11 2/2] usb: xhci: Add Clear_TT_Buffer

2019-05-29 Thread Jim Lin
USB 2.0 specification chapter 11.17.5 says "as part of endpoint halt processing for full-/low-speed endpoints connected via a TT, the host software must use the Clear_TT_Buffer request to the TT to ensure that the buffer is not in the busy state". In our case, a full-speed speaker (ConferenceCam)