linux-kernel - Re: [Kernel] [PATCH v2 4/5] ARM: dts: omap5: describe control for ckobuffer

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Message-ID: <f66cd508-fe53-af58-bda5-822c8213cf7d@ti.com>
Date:	Mon, 9 May 2016 15:32:04 +0300
From:	Peter Ujfalusi <peter.ujfalusi@...com>
To:	Tero Kristo <t-kristo@...com>,
	"H. Nikolaus Schaller" <hns@...delico.com>
CC:	Mark Rutland <mark.rutland@....com>, <devicetree@...r.kernel.org>,
	Discussions about the Letux Kernel 
	<letux-kernel@...nphoenux.org>,
	Russell King <linux@....linux.org.uk>,
	Pawel Moll <pawel.moll@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Tony Lindgren <tony@...mide.com>, <kernel@...a-handheld.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Rob Herring <robh+dt@...nel.org>,
	Laxman Dewangan <ldewangan@...dia.com>,
	Benoît Cousson <bcousson@...libre.com>,
	Kumar Gala <galak@...eaurora.org>,
	Marek Belisko <marek@...delico.com>,
	linux-omap <linux-omap@...r.kernel.org>
Subject: Re: [Kernel] [PATCH v2 4/5] ARM: dts: omap5: describe control for
 ckobuffer

On 05/09/16 15:10, Peter Ujfalusi wrote:

>>> finally I found some time to apply your patches. Sorry for the long time.
>>>
>>> Unfortunately, it does not work. Neither on omap5evm nor on our omap5 hardware.
>>> I get no sound on the twl6040 - just white noise (which can be controlled in
>>> level through
>>> amixer so it is created on the digital input side of the twl6040).
>>>
>>> So I think your patch is missing a detail compared to my simple solution.
>>
>> Did you implement anything on the audio driver side? The audio driver must
>> enable the clock implemented by this patch.
> 
> I did, can test it in 10 minutes or so...

might work, but linux-next is not booting on omap5-uevm :o I don't know why...

In any case I have attached the 3 patches I have for this, including Tero's
ported to linux-next.

Patch 3 might need to be done per board probably, but this should be good for
testing.

-- 
Péter

View attachment "0001-ARM-omap5-add-support-for-fref_xtal_ck.patch" of type "text/x-patch" (4172 bytes)

View attachment "0002-mfd-twl6040-Handle-mclk-for-HPPLL-via-clock-API.patch" of type "text/x-patch" (2769 bytes)

View attachment "0003-ARM-dts-omap5-board-common-Add-phandle-for-mclk-cloc.patch" of type "text/x-patch" (900 bytes)