Re: [PATCH v5 00/15] soundwire: Add a new SoundWire subsystem

From: Vinod Koul
Date: Wed Dec 13 2017 - 04:54:08 EST


On Wed, Dec 13, 2017 at 10:18:22AM +0100, Greg Kroah-Hartman wrote:
> On Wed, Dec 06, 2017 at 09:16:56PM +0530, Vinod Koul wrote:
> > This patch series adds a new SoundWire subsystem which implements a
> > new MIPI bus protocol 'SoundWire'.
> >
> > The SoundWire protocol is a robust, scalable, low complexity, low
> > power, low latency, two-pin (clock and data) multi-drop bus that
> > allows for the transfer of multiple audio streams and embedded
> > control/commands. SoundWire provides synchronization capabilities
> > and supports both PCM and PDM, multichannel data, isochronous and
> > asynchronous modes.
> >
> > This series adds SoundWire Bus, IO transfers, DisCo (Discovery and
> > Configuration) sysfs interface, regmap and Documentation summary
> >
> > This patch series is also available on
> > git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire.git topic/patch_v5
> >
> > v4: https://lkml.org/lkml/2017/12/1/205
> > v3: https://lkml.org/lkml/2017/11/30/160
> > v2: https://lkml.org/lkml/2017/11/10/216
> > v1: https://lkml.org/lkml/2017/10/18/1030
> > RFC: https://lkml.org/lkml/2016/10/21/395
>
> I don't think patch 5 is right, how you are using kobjects.
>
> Also, you have to have some documentation on your userspace API here for
> it to be reviewable. To hide sysfs trees and files in code comments is
> not good.

Ah I meant to do that but never got to it, sorry for that. I think I can
drop that patch for now, and we can merge rest of the stuff.

I will come back with sysfs files along with ABI documentation and fix it
per the discussion.

Thanks for the review and Acks

--
~Vinod