linux-kernel - Re: hid class and sysfs/hwmon

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Message-ID: <491609CA.30303@gmail.com>
Date:	Sat, 08 Nov 2008 22:51:06 +0100
From:	Jiri Slaby <jirislaby@...il.com>
To:	Adam Nielsen <a.nielsen@...kadi.net>
CC:	LKML Mailinglist <linux-kernel@...r.kernel.org>
Subject: Re: hid class and sysfs/hwmon

Adam Nielsen napsal(a):
>>> If anyone can see why this might result in no sysfs files, please let me
>>> know!  I previously had most of this code working with a platform_device
>>> instead of the hid_device, which is what makes me wonder about
>>> hdev->dev.kobj.  (Not sure how to test if that variable is accurate,
>>> either.)  Or perhaps it has already been used elsewhere and it can only
>>> be used once?
>>
>> I suppose it's under /sys/bus/hid/devices/.../, isn't it?
> 
> Aha, yes!  I didn't even think of checking there.  I suppose this means
> I have to create another device (like a platform_device) in order to
> have the sysfs files appear in the correct place?
> 
> Is a platform_device the correct type to create, or is there another way?

I don't know much about hwmon, but I would guess you should use hwmon_dev
for registering the attributes if you want it under /sys/class/hwmon/...

Such as:
sysfs_create_group(&odin_psu->hwmon_dev->kobj, &odin_attr_group);

No?
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