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Date:   Thu, 09 Nov 2017 09:24:21 +0100
From:   Szymon Janc <szymon.janc@...ecoup.pl>
To:     Bastien Nocera <hadess@...ess.net>
Cc:     linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jiri Kosina <jikos@...nel.org>
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 <hadess@...ess.net>
> ---
>  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 <szymon.janc@...ecoup.pl>

-- 
pozdrawiam
Szymon Janc

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