Re: [PATCH] usb: misc: Add driver for ALVA Nanoface

[Greg Kroah-Hartman <gregkh@linuxfoundation.org>]

On Tue, Nov 11, 2014 at 09:05:06AM +0200, Lauri Niskanen wrote:
> ALVA Nanoface is a USB audio interface device that only works after
> receiving an initialization command. This driver does not handle any
> actual audio features, but only initializes the device enabling its
> audio I/O and physical controls. There are some additional USB audio
> features on the device that are currently not supported. The support
> for these features may be added later.
> 
> Signed-off-by: Lauri Niskanen <ape@ape3000.com>
> ---
>  drivers/usb/misc/Kconfig    |  9 +++++
>  drivers/usb/misc/Makefile   |  1 +
>  drivers/usb/misc/nanoface.c | 95 +++++++++++++++++++++++++++++++++++++++++++++
>  3 files changed, 105 insertions(+)
>  create mode 100644 drivers/usb/misc/nanoface.c

Any reason this can't be a simple userspace program that writes the
needed command to the device using libusb instead of being a kernel
driver?  This seems like overkill for a kernel driver to me.

thanks,

greg k-h