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From: Lars-Peter Clausen <lars@metafoo.de>
To: Bard Liao <bardliao.rtk@gmail.com>
Cc: Oder Chiou <oder_chiou@realtek.com>,
	"alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>,
	"lgirdwood@gmail.com" <lgirdwood@gmail.com>,
	Mark Brown <broonie@kernel.org>, Bard Liao <bardliao@realtek.com>,
	Gustaw Lewandowski <gustaw.lewandowski@intel.com>,
	Flove <flove@realtek.com>
Subject: Re: [PATCH v6] ASoC: add RT286 CODEC driver
Date: Mon, 12 May 2014 16:51:53 +0200	[thread overview]
Message-ID: <5370E009.5070503@metafoo.de> (raw)
In-Reply-To: <CAFOFQBaoYpXCfroxfZX+7yf-ua71dav5kfUytyJLzUs_FCMg8g@mail.gmail.com>

On 05/12/2014 01:08 PM, Bard Liao wrote:
> 2014-05-08 16:57 GMT+08:00 Lars-Peter Clausen <lars@metafoo.de>:
>> On 05/08/2014 10:00 AM, Mark Brown wrote:
>
> [...]
>
> Just for confirm.
>  From the mail thread, what I need to to are:
> 1. Don't present register map to alsa, use virtrul controls instead.
>     I may need to extend the APIs to accomplish the goal.

To avoid confusion we should not call them virtual controls, but controls 
with custom put/get handlers.

> 2. I can (or should?) use regmap internal to codec driver to set the
> codec physically.
> Did I miss anything?

There are essentially two options.

a) Have custom put/get handlers for different types of verbs. This means 
you'll re-implement things like caching.

b) Have a mapping that maps the hierarchical HDA register addressing 
structure onto a linear address map and use regmap.

- Lars

  reply	other threads:[~2014-05-12 14:51 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-14  5:59 [PATCH v6] ASoC: add RT286 CODEC driver bardliao
2014-04-15 12:04 ` Mark Brown
2014-04-16 13:26   ` Bard Liao
2014-04-16 21:11     ` Mark Brown
2014-04-17  5:39       ` Bard Liao
2014-04-18 10:37         ` Mark Brown
2014-05-06 12:04           ` Bard Liao
2014-05-07 17:21             ` Mark Brown
2014-05-07 17:46               ` Lars-Peter Clausen
2014-05-07 18:07                 ` Mark Brown
2014-05-07 18:21                   ` Lars-Peter Clausen
2014-05-07 19:49                     ` Mark Brown
2014-05-08  7:05                       ` Lars-Peter Clausen
2014-05-08  8:00                         ` Mark Brown
2014-05-08  8:57                           ` Lars-Peter Clausen
2014-05-12 11:08                             ` Bard Liao
2014-05-12 14:51                               ` Lars-Peter Clausen [this message]
2014-05-12 20:29                             ` Mark Brown
2014-06-04 12:08                               ` Bard Liao
2014-06-04 12:37                                 ` Mark Brown

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