linux-kernel - Re: [PATCH] mfd: wm5102: Mark register 0x19 readable

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Message-ID: <531DF3A2.80504@metafoo.de>
Date:	Mon, 10 Mar 2014 18:17:22 +0100
From:	Lars-Peter Clausen <lars@...afoo.de>
To:	Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>
CC:	Mark Brown <broonie@...nel.org>, Lee Jones <lee.jones@...aro.org>,
	patches@...nsource.wolfsonmicro.com,
	Samuel Ortiz <sameo@...ux.intel.com>,
	linaro-kernel@...ts.linaro.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mfd: wm5102: Mark register 0x19 readable

On 03/10/2014 06:05 PM, Charles Keepax wrote:
> On Mon, Mar 10, 2014 at 04:49:04PM +0000, Mark Brown wrote:
>> On Mon, Mar 10, 2014 at 04:38:11PM +0000, Lee Jones wrote:
>>
>>> Can we have a #define for these please?
>>
>> It'd be nice but you'd need to ask the Wolfson guys to tell us what it's
>> called, all the information I have is the read in the driver source.
>> Meanwile we've got a bug.
>
> WRITE_SEQUENCER_CTRL_3, seems we should add that in since it is
> required for that 5102 boot stuff. Slightly confused as to how
> that ever worked without the register being readable, but guess
> it has been a while since I have fired up 5102 on mainline.
>

Presumably this change triggered it:

http://git.kernel.org/cgit/linux/kernel/git/broonie/regmap.git/commit/?h=topic/core&id=d4807ad2c4c0e17b6f00e3be9492c81de0804f40
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