linux-kernel - Re: [PATCH] Input: xpad - Add custom init packet for Xbox One S controllers

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Date:   Wed, 22 Apr 2020 10:20:08 -0700
From:   Cameron Gutman <aicommander@...il.com>
To:     LuK1337 <priv.luk@...il.com>
Cc:     stable@...r.kernel.org,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Allison Randal <allison@...utok.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Richard Fontana <rfontana@...hat.com>,
        linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Input: xpad - Add custom init packet for Xbox One S
 controllers

On 4/22/20 12:52 AM, LuK1337 wrote:
> From: Łukasz Patron <priv.luk@...il.com>
> 
> Sending [ 0x05, 0x20, 0x00, 0x0f, 0x06 ] packet for
> Xbox One S controllers fixes an issue where controller
> is stuck in Bluetooth mode and not sending any inputs.
> 
> Signed-off-by: Łukasz Patron <priv.luk@...il.com>
> Cc: stable@...r.kernel.org

LGTM. Tested working on both of my Xbox One S gamepads:
- idVendor=045e, idProduct=02ea, bcdDevice= 3.01
- idVendor=045e, idProduct=02ea, bcdDevice= 4.08

Reviewed-by: Cameron Gutman <aicommander@...il.com>

> ---
>  drivers/input/joystick/xpad.c | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
> 
> diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
> index 6b40a1c68f9f..c77cdb3b62b5 100644
> --- a/drivers/input/joystick/xpad.c
> +++ b/drivers/input/joystick/xpad.c
> @@ -458,6 +458,16 @@ static const u8 xboxone_fw2015_init[] = {
>  	0x05, 0x20, 0x00, 0x01, 0x00
>  };
>  
> +/*
> + * This packet is required for Xbox One S (0x045e:0x02ea)
> + * and Xbox One Elite Series 2 (0x045e:0x0b00) pads to
> + * initialize the controller that was previously used in
> + * Bluetooth mode.
> + */
> +static const u8 xboxone_s_init[] = {
> +	0x05, 0x20, 0x00, 0x0f, 0x06
> +};
> +
>  /*
>   * This packet is required for the Titanfall 2 Xbox One pads
>   * (0x0e6f:0x0165) to finish initialization and for Hori pads
> @@ -516,6 +526,8 @@ static const struct xboxone_init_packet xboxone_init_packets[] = {
>  	XBOXONE_INIT_PKT(0x0e6f, 0x0165, xboxone_hori_init),
>  	XBOXONE_INIT_PKT(0x0f0d, 0x0067, xboxone_hori_init),
>  	XBOXONE_INIT_PKT(0x0000, 0x0000, xboxone_fw2015_init),
> +	XBOXONE_INIT_PKT(0x045e, 0x02ea, xboxone_s_init),
> +	XBOXONE_INIT_PKT(0x045e, 0x0b00, xboxone_s_init),
>  	XBOXONE_INIT_PKT(0x0e6f, 0x0000, xboxone_pdp_init1),
>  	XBOXONE_INIT_PKT(0x0e6f, 0x0000, xboxone_pdp_init2),
>  	XBOXONE_INIT_PKT(0x24c6, 0x541a, xboxone_rumblebegin_init),
>