linux-kernel - Re: [PATCH] Add ASRock HDD Saver support

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Message-ID: <8c2c6024-ae3e-2ab6-314a-6dd357bb428b@roeck-us.net>
Date:   Mon, 3 May 2021 10:10:00 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Paweł Marciniak <sunwire@...il.com>,
        linux-hwmon@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Add ASRock HDD Saver support

On 5/3/21 8:58 AM, Paweł Marciniak wrote:
> Some of the asrock motherboards are equipped with hdd saver technology.
> It is implemented via a special power connector on the motherboard and a corresponding custom made power cable with two SATA power ports.
> The control is via the gpio10 pin of the nct6791d chip.
> When this technology is available the module creates the hddsaver_enable file.
> Reading the file returns the current status, while writing turns off or on the power of the SATA connectors.
> 
> Supported motheboards:
> ASRock Z97 Extreme4 - works 100% tested.
> ASRock Z97 Extreme6 - Based on boardview/schematic should works, not tested.
> Other ASRock motherboards supporting this technology - status unknown.
> 
> Signed-off-by: Paweł Marciniak <sunwire@...il.com>

I don't see what this has to do with hardware monitoring.
I am not going to apply this patch. Feel free to submit
a platform driver to implement such functionality.

Guenter