2014-03-11 0:48 GMT+08:00 Mark Brown <broonie@xxxxxxxxxx>: > On Mon, Mar 10, 2014 at 04:31:58PM +0000, Lee Jones wrote: > >> > > I'm not sure there's any need for this. Why don't you just parse the >> > > child nodes? Are you even sure you need an MFD at all? It appears >> > > you're just using an MFD to share a regmap. Seems like over-kill to me. > >> > In my case, the prima2 and atlas6 codec have small different. But >> > they use the same register address space. >> > The sound codec driver need know what codec device is applied. > >> I understand it was you who made the original request for the regmap >> to be shared between devices. Was it an MFD that you had in mind? > > I was expecting an audio driver that registered several interfaces with > the ASoC core rather than a MFD. It's possible there's some good reason > for doing things this way, I've not looked at the new patches (I only > seem to have one for the MFD itself...). I think the MFD driver is better than the ASoC core. Because the mfd_add_devices can register all child device into system and the parent driver data can be got the regmap to all child drivers. Hi Mark Brown: I will send new patches of sound, if the MFD driver is applied. Thanks. -- ------------------------------ Rongjun Ying -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
