linux-kernel - Re: [PATCH v2 3/6] hwmon: (aquacomputer_d5next) Device dependent control report settings

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Message-ID: <450cf27e-358b-4f26-ae7d-7216e1681ad3@roeck-us.net>
Date:   Sun, 12 Mar 2023 10:43:32 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Leonard Anderweit <leonard.anderweit@...il.com>
Cc:     linux-hwmon@...r.kernel.org,
        Aleksa Savic <savicaleksa83@...il.com>,
        Jack Doan <me@...kdoan.com>, Jean Delvare <jdelvare@...e.com>,
        Jonathan Corbet <corbet@....net>, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 3/6] hwmon: (aquacomputer_d5next) Device dependent
 control report settings

On Tue, Feb 14, 2023 at 11:02:18PM +0100, Leonard Anderweit wrote:
> Add device dependent control report id, secondary control report id, secondary
> control report size and secondary control report for devices which need
> different control report settings. All currently supported devices use the same
> values.
> 
> Signed-off-by: Leonard Anderweit <leonard.anderweit@...il.com>

Applied. Same comment as before - please check line length in description.

Thanks,
Guenter

> ---
>  drivers/hwmon/aquacomputer_d5next.c | 19 ++++++++++++++-----
>  1 file changed, 14 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/hwmon/aquacomputer_d5next.c b/drivers/hwmon/aquacomputer_d5next.c
> index f0c036d38e91..535d2fc0e55c 100644
> --- a/drivers/hwmon/aquacomputer_d5next.c
> +++ b/drivers/hwmon/aquacomputer_d5next.c
> @@ -441,6 +441,10 @@ struct aqc_data {
>  	const char *name;
>  
>  	int status_report_id;	/* Used for legacy devices, report is stored in buffer */
> +	int ctrl_report_id;
> +	int secondary_ctrl_report_id;
> +	int secondary_ctrl_report_size;
> +	u8 *secondary_ctrl_report;
>  
>  	int buffer_size;
>  	u8 *buffer;
> @@ -513,7 +517,7 @@ static int aqc_get_ctrl_data(struct aqc_data *priv)
>  	int ret;
>  
>  	memset(priv->buffer, 0x00, priv->buffer_size);
> -	ret = hid_hw_raw_request(priv->hdev, CTRL_REPORT_ID, priv->buffer, priv->buffer_size,
> +	ret = hid_hw_raw_request(priv->hdev, priv->ctrl_report_id, priv->buffer, priv->buffer_size,
>  				 HID_FEATURE_REPORT, HID_REQ_GET_REPORT);
>  	if (ret < 0)
>  		ret = -ENODATA;
> @@ -535,15 +539,15 @@ static int aqc_send_ctrl_data(struct aqc_data *priv)
>  	put_unaligned_be16(checksum, priv->buffer + priv->checksum_offset);
>  
>  	/* Send the patched up report back to the device */
> -	ret = hid_hw_raw_request(priv->hdev, CTRL_REPORT_ID, priv->buffer, priv->buffer_size,
> +	ret = hid_hw_raw_request(priv->hdev, priv->ctrl_report_id, priv->buffer, priv->buffer_size,
>  				 HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
>  	if (ret < 0)
>  		return ret;
>  
>  	/* The official software sends this report after every change, so do it here as well */
> -	ret = hid_hw_raw_request(priv->hdev, SECONDARY_CTRL_REPORT_ID, secondary_ctrl_report,
> -				 SECONDARY_CTRL_REPORT_SIZE, HID_FEATURE_REPORT,
> -				 HID_REQ_SET_REPORT);
> +	ret = hid_hw_raw_request(priv->hdev, priv->secondary_ctrl_report_id,
> +				 priv->secondary_ctrl_report, priv->secondary_ctrl_report_size,
> +				 HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
>  	return ret;
>  }
>  
> @@ -1447,6 +1451,11 @@ static int aqc_probe(struct hid_device *hdev, const struct hid_device_id *id)
>  		priv->serial_number_start_offset = AQC_SERIAL_START;
>  		priv->firmware_version_offset = AQC_FIRMWARE_VERSION;
>  
> +		priv->ctrl_report_id = CTRL_REPORT_ID;
> +		priv->secondary_ctrl_report_id = SECONDARY_CTRL_REPORT_ID;
> +		priv->secondary_ctrl_report_size = SECONDARY_CTRL_REPORT_SIZE;
> +		priv->secondary_ctrl_report = secondary_ctrl_report;
> +
>  		if (priv->kind == aquastreamult)
>  			priv->fan_structure = &aqc_aquastreamult_fan_structure;
>  		else