linux-kernel - Re: [PATCH] HID: logitech: Use HIDPP_RECEIVER

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Date:   Mon, 06 Jul 2020 13:40:09 +0100
From:   Filipe Laíns <lains@...hlinux.org>
To:     Mazin Rezk <mnrzk@...tonmail.com>,
        "linux-input@...r.kernel.org" <linux-input@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "jikos@...nel.org" <jikos@...nel.org>,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>
Subject: Re: [PATCH] HID: logitech: Use HIDPP_RECEIVER_INDEX instead of 0xff

On Sun, 2020-07-05 at 02:48 +0000, Mazin Rezk wrote:
> Some parts of hid-logitech-dj explicitly referred to 0xff for the
> receiver index. This patch changes those references to the
> HIDPP_RECEIVER_INDEX definition.
> 
> Signed-off-by: Mazin Rezk <mnrzk@...tonmail.com>
> ---
>  drivers/hid/hid-logitech-dj.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/hid/hid-logitech-dj.c b/drivers/hid/hid-
> logitech-dj.c
> index 48dff5d6b605..a78c13cc9f47 100644
> --- a/drivers/hid/hid-logitech-dj.c
> +++ b/drivers/hid/hid-logitech-dj.c
> @@ -1153,7 +1153,7 @@ static int
> logi_dj_recv_query_paired_devices(struct dj_receiver_dev *djrcv_dev)
>  	if (!dj_report)
>  		return -ENOMEM;
>  	dj_report->report_id = REPORT_ID_DJ_SHORT;
> -	dj_report->device_index = 0xFF;
> +	dj_report->device_index = HIDPP_RECEIVER_INDEX;
>  	dj_report->report_type = REPORT_TYPE_CMD_GET_PAIRED_DEVICES;
>  	retval = logi_dj_recv_send_report(djrcv_dev, dj_report);
>  	kfree(dj_report);
> @@ -1175,7 +1175,7 @@ static int
> logi_dj_recv_switch_to_dj_mode(struct dj_receiver_dev *djrcv_dev,
> 
>  	if (djrcv_dev->type == recvr_type_dj) {
>  		dj_report->report_id = REPORT_ID_DJ_SHORT;
> -		dj_report->device_index = 0xFF;
> +		dj_report->device_index = HIDPP_RECEIVER_INDEX;
>  		dj_report->report_type = REPORT_TYPE_CMD_SWITCH;
>  		dj_report->report_params[CMD_SWITCH_PARAM_DEVBITFIELD]
> = 0x3F;
>  		dj_report-
> >report_params[CMD_SWITCH_PARAM_TIMEOUT_SECONDS] =
> @@ -1204,7 +1204,7 @@ static int
> logi_dj_recv_switch_to_dj_mode(struct dj_receiver_dev *djrcv_dev,
>  	memset(buf, 0, HIDPP_REPORT_SHORT_LENGTH);
> 
>  	buf[0] = REPORT_ID_HIDPP_SHORT;
> -	buf[1] = 0xFF;
> +	buf[1] = HIDPP_RECEIVER_INDEX;
>  	buf[2] = 0x80;
>  	buf[3] = 0x00;
>  	buf[4] = 0x00;
> --
> 2.27.0

This is correct :)

Reviewed-by: Filipe Laíns <lains@...hlinux.org>

Cheers,
Filipe Laíns

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