linux-kernel - Re: linux-next: Tree for June 21 (staging/easycap)

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Date:	Tue, 22 Jun 2010 15:36:12 -0700
From:	Greg KH <greg@...ah.com>
To:	Randy Dunlap <randy.dunlap@...cle.com>
Cc:	Stephen Rothwell <sfr@...b.auug.org.au>, gregkh@...e.de,
	devel@...verdev.osuosl.org, linux-next@...r.kernel.org,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: linux-next: Tree for June 21 (staging/easycap)

On Mon, Jun 21, 2010 at 09:00:49AM -0700, Randy Dunlap wrote:
> On Mon, 21 Jun 2010 17:00:56 +1000 Stephen Rothwell wrote:
> 
> > Hi all,
> > 
> > Changes since 20100618:
> 
> 
> When CONFIG_USB is not enabled:
> 
> ERROR: "usb_kill_urb" [drivers/staging/easycap/easycap.ko] undefined!
> ERROR: "usb_deregister_dev" [drivers/staging/easycap/easycap.ko] undefined!
> ERROR: "video_register_device" [drivers/staging/easycap/easycap.ko] undefined!
> ERROR: "usb_deregister" [drivers/staging/easycap/easycap.ko] undefined!
> ERROR: "video_unregister_device" [drivers/staging/easycap/easycap.ko] undefined!
> ERROR: "usb_set_interface" [drivers/staging/easycap/easycap.ko] undefined!
> ERROR: "usb_register_dev" [drivers/staging/easycap/easycap.ko] undefined!
> ERROR: "usb_control_msg" [drivers/staging/easycap/easycap.ko] undefined!
> ERROR: "usb_submit_urb" [drivers/staging/easycap/easycap.ko] undefined!
> ERROR: "usb_get_dev" [drivers/staging/easycap/easycap.ko] undefined!
> ERROR: "usb_find_interface" [drivers/staging/easycap/easycap.ko] undefined!
> ERROR: "usb_register_driver" [drivers/staging/easycap/easycap.ko] undefined!
> ERROR: "usb_free_urb" [drivers/staging/easycap/easycap.ko] undefined!
> ERROR: "usb_alloc_urb" [drivers/staging/easycap/easycap.ko] undefined!
> 
> 
> Adding "depends on USB" to EASYCAP is a good start.
> After that and enabling CONFIG_USB, build of easycap gets:
> 
> ERROR: "video_register_device" [drivers/staging/easycap/easycap.ko] undefined!
> ERROR: "video_unregister_device" [drivers/staging/easycap/easycap.ko] undefined!
> 
> because there is no media/video support enabled.  Also no SOUND enabled,
> so I expect there to be build errors associated with sound also, meaning that
> the Kconfig file should probably modified with something like
> 
> config EASYCAP
> +	depends on USB && VIDEO_DEV && SND
> 
> 
> This is something that the driver author should know the answer to and submit a
> patch for.

You are right, care to make up a patch for this?

thanks,

greg k-h
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