linux-kernel - Re: [PATCH v3] HID: quirks: Add USB_QUIRK_IGNORE_REMOTE

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Date:   Fri, 4 Sep 2020 18:38:21 +0800
From:   PengHao <penghao@...ontech.com>
To:     Hans de Goede <hdegoede@...hat.com>, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org, gregkh@...uxfoundation.org
Cc:     johan@...nel.org, dlaz@...omium.org, stern@...land.harvard.edu,
        kerneldev@...smulder.nl, jonathan@...ox.net, tomasz@...esinski.eu
Subject: Re: [PATCH v3] HID: quirks: Add USB_QUIRK_IGNORE_REMOTE_WAKEUP quirk
 for BYD zhaoxin notebook

Hi, Hans

Thanks for the review. And sorry for I'm not really familiar with
mailing list, so didn't reply early.

Actually the reason why I submit this patch, is the vendor ask we do
this, they do not want enable touchpad wakeup.

And yes, this device use hid-multitouch.


在 2020/9/4 下午6:05, Hans de Goede 写道:
> Hi,
> 
> On 9/4/20 11:13 AM, Penghao wrote:
>> Add a USB_QUIRK_IGNORE_REMOTE_WAKEUP quirk for the BYD zhaoxin notebook.
>> This notebook come with usb touchpad. And we would like to disable
>> touchpad
>> wakeup on this notebook by default.
> 
> You are still not explaining why this is necessary ?
> 
> And you did not answer my question if this touchpad is using hid-multitouch
> either ?
> 
> So NACK (rejection) from me until both questions are answered. The commi
> message for a quirk should always explain why a quirk is necessary and
> "we would like to disable touchpad wakeup on this notebook by default"
> does not explain why you want to do that.
> 
> Regards,
> 
> Hans
> 
> 
> 
>>
>> Signed-off-by: Penghao <penghao@...ontech.com>
>> ---
>>
>> Changes since v2:
>>   - Add changes
>>
>> Changes since v1:
>>   - Add the entries sorted by vendor ID and product ID.
>>
>>   drivers/usb/core/quirks.c | 4 ++++
>>   1 file changed, 4 insertions(+)
>>
>> diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
>> index 7c1198f80c23..fffe1f7f1098 100644
>> --- a/drivers/usb/core/quirks.c
>> +++ b/drivers/usb/core/quirks.c
>> @@ -393,6 +393,10 @@ static const struct usb_device_id
>> usb_quirk_list[] = {
>>       /* Generic RTL8153 based ethernet adapters */
>>       { USB_DEVICE(0x0bda, 0x8153), .driver_info = USB_QUIRK_NO_LPM },
>>   +    /* SONiX USB DEVICE Touchpad */
>> +    { USB_DEVICE(0x0c45, 0x7056), .driver_info =
>> +            USB_QUIRK_IGNORE_REMOTE_WAKEUP },
>> +
>>       /* Action Semiconductor flash disk */
>>       { USB_DEVICE(0x10d6, 0x2200), .driver_info =
>>               USB_QUIRK_STRING_FETCH_255 },
>>
> 
> 
> 
> 
>