Re: [PATCH 2/5] auxdisplay: charlcd: add flush function

2018-02-13 Thread Andy Shevchenko
On Mon, Feb 12, 2018 at 10:44 PM, Miguel Ojeda wrote: > On Mon, Jan 15, 2018 at 10:58 AM, Sean Young wrote: >> The Sasem Remote Controller has an LCD, which is connnected via usb. >> Multiple write reg or write data commands can be combined into

Re: [PATCH 2/5] auxdisplay: charlcd: add flush function

2018-02-12 Thread Miguel Ojeda
On Mon, Jan 15, 2018 at 10:58 AM, Sean Young wrote: > The Sasem Remote Controller has an LCD, which is connnected via usb. > Multiple write reg or write data commands can be combined into one usb > packet. > > The latency of usb is such that if we send commands one by one, we get >

[PATCH 2/5] auxdisplay: charlcd: add flush function

2018-01-15 Thread Sean Young
The Sasem Remote Controller has an LCD, which is connnected via usb. Multiple write reg or write data commands can be combined into one usb packet. The latency of usb is such that if we send commands one by one, we get very obvious tearing on the LCD. By adding a flush function, we can buffer