Re: [PATCH v5 3/6] usb: mux: add common code for Intel dual role port mux

2016-03-19 Thread Lu Baolu
Hi Chanwoo, On 03/18/2016 03:52 PM, Chanwoo Choi wrote: > Hi Baolu, > > On 2016년 03월 18일 15:32, Lu Baolu wrote: >> Several Intel PCHs and SOCs have an internal mux that is used to >> share one USB port between device controller and host controller. >> >> A usb port mux could be abstracted as the f

Re: [PATCH v5 3/6] usb: mux: add common code for Intel dual role port mux

2016-03-19 Thread Chanwoo Choi
Hi Baolu, On 2016년 03월 18일 15:32, Lu Baolu wrote: > Several Intel PCHs and SOCs have an internal mux that is used to > share one USB port between device controller and host controller. > > A usb port mux could be abstracted as the following elements: > 1) mux state: HOST or PERIPHERAL; > 2) an ex

[PATCH v5 3/6] usb: mux: add common code for Intel dual role port mux

2016-03-19 Thread Lu Baolu
Several Intel PCHs and SOCs have an internal mux that is used to share one USB port between device controller and host controller. A usb port mux could be abstracted as the following elements: 1) mux state: HOST or PERIPHERAL; 2) an extcon cable which triggers the change of mux state between HO