From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vinod Koul Subject: Re: [RFC 01/14] SoundWire: Add SoundWire bus driver documentation Date: Thu, 17 Nov 2016 10:35:52 +0530 Message-ID: <20161117050552.GA2698@localhost> References: <1477053673-16021-1-git-send-email-hardik.t.shah@intel.com> <1477053673-16021-2-git-send-email-hardik.t.shah@intel.com> <20161114141548.GL1575@localhost.localdomain> <20161115142914.GN3000@localhost> <20161116175929.kf7lfkcnqjdhasjk@sirena.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8BIT Return-path: Content-Disposition: inline In-Reply-To: <20161116175929.kf7lfkcnqjdhasjk@sirena.org.uk> Sender: linux-kernel-owner@vger.kernel.org To: Mark Brown Cc: Charles Keepax , Hardik Shah , alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, tiwai@suse.de, pierre-louis.bossart@linux.intel.com, lgirdwood@gmail.com, plai@codeaurora.org, patches.audio@intel.com, Sanyog Kale List-Id: alsa-devel@alsa-project.org On Wed, Nov 16, 2016 at 05:59:29PM +0000, Mark Brown wrote: > On Tue, Nov 15, 2016 at 07:59:14PM +0530, Vinod Koul wrote: > > On Mon, Nov 14, 2016 at 02:15:48PM +0000, Charles Keepax wrote: > > > > slaves register to that. This also has the nice property that its > > > easy to create devices that sit behind other buses, for example > > > here we might want a SoundWire master that sits behind a SPI bus. > > > But you seem to have gone in the other direction and have the > > > master sitting on the same bus as the slaves. > > > Since the controller on our SoC was enumerable, people went with this > > approach. In this hindsight that may not have been the best choice. > > Doing buses properly isn't an obstacle to doing enumeration, indeed I'd > expect it to make it a lot easier - just have your driver for your > controller do the enumeration at probe time. Yes it is not :) This is somthing we are fixing now.. -- ~Vinod