Re: [patch v2 1/1] HID:hid-multitouch: Add ELAN prouction request when resume

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Hi Scott,

we are getting closer. Just a few nitpicks:

On Thu, Aug 9, 2012 at 11:22 AM, Scott Liu <scott.liu@xxxxxxxxxx> wrote:
> Some of ELAN's production need to with set_idle commmand when reusme.

reusme -> resume

>
> Signed-off-by: Scott Liu <scott.liu@xxxxxxxxxx>
> ---
>  drivers/hid/hid-ids.h        |    3 +++
>  drivers/hid/hid-multitouch.c |   20 ++++++++++++++++++++
>  2 files changed, 23 insertions(+)
>
> diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
> index 41c34f2..a4d810c 100644
> --- a/drivers/hid/hid-ids.h
> +++ b/drivers/hid/hid-ids.h
> @@ -829,4 +829,7 @@
>  #define USB_VENDOR_ID_PRIMAX   0x0461
>  #define USB_DEVICE_ID_PRIMAX_KEYBOARD  0x4e05
>
> +#define USB_VENDOR_ID_ELAN  0x04f3
> +#define USB_DEVICE_ID_ELAN_MOCCA    0x000a
> +

We try to keep the list alphabetically sorted. So it should go just
before USB_VENDOR_ID_ELECOM.

Also, the device you sent to me has the PID 0x0732 and is behaving the
same way (need to call the mt_reset command).
Is 0x000a a mistake or do all of your product behave like this?
If it's the latter, then we may purely remove the PID test.

Jiri, any ideas?

>  #endif
> diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
> index 59c8b5c..b06b7d3 100644
> --- a/drivers/hid/hid-multitouch.c
> +++ b/drivers/hid/hid-multitouch.c
> @@ -767,6 +767,25 @@ static int mt_reset_resume(struct hid_device *hdev)
>         mt_set_input_mode(hdev);
>         return 0;
>  }
> +
> +static int mt_resume(struct hid_device *hdev)
> +{
> +       if (hdev->vendor == USB_VENDOR_ID_ELAN &&
> +               hdev->product == USB_DEVICE_ID_ELAN_MOCCA) {
> +
> +               struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
> +               struct usb_host_interface *interface = intf->cur_altsetting;
> +               struct usb_device *dev = hid_to_usb_dev(hdev);
> +
> +               usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
> +                                               HID_REQ_SET_IDLE, USB_TYPE_CLASS | USB_RECIP_INTERFACE,

As we are on it, this line is more than 80 characters. Tabs are 8
characters length.

> +                                               0, interface->desc.bInterfaceNumber,
> +                                               NULL, 0, USB_CTRL_SET_TIMEOUT);
> +    }

spaces instead of tabs.

> +
> +    return 0;

idem, spaces instead of tabs.

Anyway, I really appreciate your efforts Scott.

Cheers,
Benjamin


> +}
> +
>  #endif
>
>  static void mt_remove(struct hid_device *hdev)
> @@ -1092,6 +1111,7 @@ static struct hid_driver mt_driver = {
>         .event = mt_event,
>  #ifdef CONFIG_PM
>         .reset_resume = mt_reset_resume,
> +       .resume = mt_resume,
>  #endif
>  };
>
> --
> 1.7.9.5
>
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