[alsa-devel] [PATCH 10/10] ASoC: SAMSUNG: Add Machine driver for S/PDIF PCM audio

Kukjin Kim kgene.kim at samsung.com
Fri Oct 8 11:48:26 CEST 2010

Seungwhan Youn wrote:

> On Thu, Oct 7, 2010 at 10:33 AM, Seungwhan Youn <claude.youn at gmail.com>
> wrote:
> > Dear Maintainers,
> >
> >>> >> plat-samsung would probably be fine for that also - create a file called
> >>> >> common-smdk or something.  Some other things have gone for a plat-
> smdk
> >>> >> style approach too, though I'm not sure how tasteful I find that
> >>> >> personally.
> >>> > Even though I would personally like to have EPLL control for a device
> >>> > in machine specific manner as part of its driver, I accept your opinion.
> >>> >
> >>> > Claude, let us create one arch/arm/plat-samsung/smdk.c to do common
> >>> > stuff for SMKDs like EPLL control. What do you think ?
> >>>
> >>> Actually if we add this file on plat-samsung, board-init will be
> >>> separated two-part, one is machine(board) specific and other is all
> >>> smdk specific. So, If it doesn't make confusion to other guys who
> >>> wants to add settings for their features on board-init, it looks good
> >>> to me. But I think that we also have to listen Mr. Ben Dooks and Mr.
> >>> Kukjin Kim's opinion about this before we get a conclusion.
> >>
> >> Hi all,
> >>
> >> I think, basically it'd better if could control clock stuff in each driver for it when
> need it such as clk_get, clk_enable and so on.
> >> Actually there is no policy/protection for EPLL usage in plat-samsung or plat-
> s5p now and need to sort out other similar case for it also....so in my opinion, right
> now to proceed with the current style is helpful to me and will consider it in the
> future.
> >>
> >
> > I wander to know that this is a last discussion, or more, and also
> > know about finial decision. Of course, if we didn't get reached to the
> > conclusion, we can talk more.
> >
> > Can you give me a hand to finish this? :-)
> >
> Dear Mr. Mark and Mr. Jassi,
> Now, I'm almost finished 2nd patch for submit except this audio clock
> setting. For now, I can only think that remove audio clock setting

Hmm...so, maybe its working has problem...right?

> from this machine code, and add audio clock settings in arch later(may
> be after arch/arm/plat-samsung get EPLL policy as Mr. Kukjin said).
I think, firstly put the clock stuff in the driver like your patch, and then if required, to move is better later.

> Is this okay?


Best regards,
Kukjin Kim <kgene.kim at samsung.com>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.

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