[alsa-devel] [PATCH 1/2] ad1848: separate header for registers definition

[Takashi Iwai]

At Sun, 15 Jun 2008 19:26:53 +0200,
Krzysztof Helt wrote:
> 
> On Sun, 15 Jun 2008 18:07:02 +0200
> Rene Herman <rene.herman at keyaccess.nl> wrote:
> 
> > On 15-06-08 12:41, Krzysztof Helt wrote:
> > 
> > > This patch is a start combining ad1848_lib and cs4231_lib
> > > functionality. My approach is to make the cs4231_lib module
> > > use the ad1848_lib module. This should allow removing
> > > most of identical functions from the cs4231_lib and use
> > > the functions from the ad1848_lib directly.
> > > 
> > > If this approach is not a good idea, please drop the patch.
> > > 
> > > My current plan is to reuse the ad1848 register constants
> > > in the cs423x code and remove duplicated cs4231 constants.
> > > This should make the ad1848_lib and cs4231_lib easier to
> > > compare for differences.
> > > 
> > > The next step is to use the snd_cs4231 structure instead of 
> > > the snd_ad1848 structure inside the ad1848_lib. This will make
> > > functions from the ad1848_lib taking the same arguments
> > > as the functions in the cs4231_lib.
> > > 
> > > The last step would be to export needed functions from the
> > > ad1848_lib and use them directly in the cs4231_lib.
> > > 
> > > This should reduce the size of the cs4231_lib while preserving
> > > smaller the ad1848_lib for driver which uses only ad1848
> > > functionality.
> > 
> > I believe it would be going a bit overboard to actually make these two 
> > dependent libs. Unification would seem a good plan probably but as far 
> > as I'm concerned one lib to drive all these chips should do really.
> > 
> 
> It can be done this way as well.
> 
> > (*) perhaps under sound/drivers/wss, or sound/isa/lib/wss (or if you 
> > don't care for the wss name, something else; the location is more the 
> > point).
> > 
> 
> I like the wss name.
> 
> Takashi, please drop my patches. If the ad1848 and cs4231 should be unified
> a correct way is to use cs4231 structures and constants in the ad1848 library.
> Then it will be easy to merge them.

OK, it makes sense.

thanks,

Takashi