linux-kernel - Re: [RFC 1/2] HID: Extend the interface with idle requests

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Date:	Thu, 7 Mar 2013 15:26:48 +0100 (CET)
From:	Jiri Kosina <jkosina@...e.cz>
To:	Benjamin Tissoires <benjamin.tissoires@...hat.com>
Cc:	Benjamin Tissoires <benjamin.tissoires@...il.com>,
	Henrik Rydberg <rydberg@...omail.se>,
	Stephane Chatty <chatty@...c.fr>,
	David Herrmann <dh.herrmann@...il.com>,
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC 1/2] HID: Extend the interface with idle requests

On Wed, 27 Feb 2013, Benjamin Tissoires wrote:

> Some drivers send the idle command directly to underlying device,
> creating an unwanted dependency on the underlying transport layer.
> This patch adds hid_hw_idle() to the interface, thereby removing
> usbhid from the lion share of the drivers.
> 
> Signed-off-by: Benjamin Tissoires <benjamin.tissoires@...hat.com>
> ---
>  drivers/hid/usbhid/hid-core.c | 15 +++++++++++++++
>  include/linux/hid.h           | 19 +++++++++++++++++++
>  2 files changed, 34 insertions(+)
> 
> diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
> index 420466b..effcd3d 100644
> --- a/drivers/hid/usbhid/hid-core.c
> +++ b/drivers/hid/usbhid/hid-core.c
> @@ -1253,6 +1253,20 @@ static void usbhid_request(struct hid_device *hid, struct hid_report *rep, int r
>  	}
>  }
>  
> +static int usbhid_idle(struct hid_device *hid, int report, int idle,
> +		int reqtype)

Where does the need for passing the report argument come from please?

-- 
Jiri Kosina
SUSE Labs
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