2017-11-09 08:25:26

by Szymon Janc

[permalink] [raw]
Subject: Re: [PATCH] HID: sony: Fix SHANWAN pad rumbling on USB

Hi,

On Tuesday, 7 November 2017 15:24:47 CET Bastien Nocera wrote:
> The SHANWAN PS3 clone joypad will start its rumble motors as soon as
> it is plugged in via USB. As the additional USB interrupt does nothing on
> the original PS3 Sixaxis joypads, and makes a number of other
> clone joypads actually start sending data, disable that call for
> the SHANWAN so the rumble motors aren't started on plug.
>
> Signed-off-by: Bastien Nocera <[email protected]>
> ---
> drivers/hid/hid-sony.c | 14 ++++++++++----
> 1 file changed, 10 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c
> index d03203a82e8f..b9dc3ac4d4aa 100644
> --- a/drivers/hid/hid-sony.c
> +++ b/drivers/hid/hid-sony.c
> @@ -1439,10 +1439,16 @@ static int sixaxis_set_operational_usb(struct
> hid_device *hdev) goto out;
> }
>
> - ret = hid_hw_output_report(hdev, buf, 1);
> - if (ret < 0) {
> - hid_info(hdev, "can't set operational mode: step 3, ignoring\n");
> - ret = 0;
> + /*
> + * But the USB interrupt would cause SHANWAN controllers to
> + * start rumbling non-stop.
> + */
> + if (strcmp(hdev->name, "SHANWAN PS3 GamePad")) {
> + ret = hid_hw_output_report(hdev, buf, 1);
> + if (ret < 0) {
> + hid_info(hdev, "can't set operational mode: step 3, ignoring\n");
> + ret = 0;
> + }
> }
>
> out:

Works for me!

Tested-by: Szymon Janc <[email protected]>

--
pozdrawiam
Szymon Janc

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