linux-kernel - Re: [PATCH 0/2] Cygnus Audio Driver

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20150406095803.GD6023@sirena.org.uk>
Date:	Mon, 6 Apr 2015 10:58:03 +0100
From:	Mark Brown <broonie@...nel.org>
To:	Scott Branden <sbranden@...adcom.com>
Cc:	Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Liam Girdwood <lgirdwood@...il.com>,
	Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.de>,
	alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	bcm-kernel-feedback-list@...adcom.com,
	Lori Hikichi <lhikichi@...adcom.com>,
	Dmitry Torokhov <dtor@...gle.com>,
	Anatol Pomazao <anatol@...gle.com>, abrestic@...gle.com,
	bryeung@...gle.com, olofj@...gle.com, pwestin@...gle.com
Subject: Re: [PATCH 0/2] Cygnus Audio Driver

On Fri, Apr 03, 2015 at 12:33:12PM -0700, Scott Branden wrote:
> On 15-03-30 11:43 PM, Mark Brown wrote:
> >On Mon, Mar 30, 2015 at 08:16:22PM -0700, Scott Branden wrote:

> >>The audio PLL is embedded in the audio block and only used
> >>by the audio block. The audio PLL registers are also in the middle of
> >>the audio register map.

> >When you say it's only used by the audio block do you mean to say that
> >the audio block exposes no clock signals other than the bit and frame
> >clocks?

> The audio block exposes the MCLK in addition to the bit and frame clock.

OK, then it's going to need to be a clock provider at some point - the
clock will be going into external devices which are going to need to be
able to interact with the clock (for example, to get the rate).

Download attachment "signature.asc" of type "application/pgp-signature" (474 bytes)