Re: [PATCH v2] i2c-hid: introduce HID over i2c specification implementation

From: Jian-Jhong Ding
Date: Thu Oct 18 2012 - 06:16:12 EST

Benjamin Tissoires <benjamin.tissoires@xxxxxxxxx> writes:
> Hi JJ,
> On Thu, Oct 18, 2012 at 11:07 AM, Jian-Jhong Ding <jj_ding@xxxxxxxxxx> wrote:
>> Hi Benjamin,
>> Some suggestions to make the error messages more "human", and a little
>> question on the return value of i2c_hid_fetch_hid_descriptor. Please see below:
> I fully agree with the more "human" error messages.
> However, for i2c_hid_fetch_hid_descriptor return values, I'm affraid I
> can't use -EINVAL.
> Jean Delvare (one of the i2c maintainers) told in his review of the v1:
> "
> These should all be -ENODEV in this function
> [i2c_hid_fetch_hid_descriptor]: the device isn't what you
> expected. EINVAL is for invalid argument.
> "

I must have missed that mail. Thank you for pointing this out.


> So ENODEV is the right return value.
> Anyway, thanks for the review.
> Cheers,
> Benjamin
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at