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SubjectRe: [PATCH v5 0/4] new driver for Valve Steam Controller
2018-03-19 21:08 GMT+01:00 Rodrigo Rivas Costa <rodrigorivascosta@gmail.com>:
> On Sat, Mar 17, 2018 at 02:54:07PM -0700, Pierre-Loup A. Griffais wrote:
>
> Now, what I would really want is a review by Valve of my set-lizard function:
>
> static void steam_set_lizard_mode(struct steam_device *steam, bool enabled)
> {
> if (enabled) {
> steam_send_report_byte(steam, 0x8e); //enable mouse
> steam_send_report_byte(steam, 0x85); //enable esc, enter and cursor keys
> } else {
> steam_send_report_byte(steam, 0x81); //disable esc, enter and cursor keys
> steam_write_register(steam, 0x08, 0x07); //disable mouse (cmd: 0x87)
> }
> }
>
> While it works, I find its asymmetry quite uncanny. I'm afraid that some
> of these are there for a side effect, this is not their real purpose.
> Could you give me a hint about this?
>

If I remember correctly, you can also enable the mouse with "87 03 08
00 00". But that do not explain the asymmetry or why there are two
ways of doing it. I always found it weird that the "enable" value was
0x0000 and the "disable" value 0x0007.

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