linux-kernel - Re: [PATCH 1/3] x86: Add basic support for the Congatec CGEB BIOS interface

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Date:	Thu, 11 Apr 2013 09:14:48 +0200
From:	Christian Gmeiner <christian.gmeiner@...il.com>
To:	Sascha Hauer <s.hauer@...gutronix.de>
Cc:	Wolfram Sang <wsa@...-dreams.de>,
	LKML <linux-kernel@...r.kernel.org>, x86@...nel.org,
	linux-i2c@...r.kernel.org, linux-watchdog@...r.kernel.org,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 1/3] x86: Add basic support for the Congatec CGEB BIOS interface

2013/3/26 Christian Gmeiner <christian.gmeiner@...il.com>:
> 2013/3/26 Sascha Hauer <s.hauer@...gutronix.de>:
>> Hi Wolfram,
>>
>> On Tue, Mar 26, 2013 at 10:24:35AM +0100, Wolfram Sang wrote:
>>> Hi Sascha,
>>>
>>> > Any other comments to this series? Is the base cgeb support ok to
>>> > include?
>>>
>>> I had a few comments to the I2C driver.
>>
>> Yes, thanks, I have seen this and will address them. Atm I'm more
>> interested in the base support though, since without it there won't be a
>> need for the i2c driver ;)
>>
>
> vis@OT:~$ dmesg | grep CGEB
> [    2.466519] CGEB: Board name: QBRA
>
>
> root@OT:/home/vis# i2cdetect -l
> i2c-0   i2c             cgeb-i2c                                I2C adapter
> i2c-1   i2c             Radeon i2c bit bus 0x90                 I2C adapter
> i2c-2   i2c             Radeon i2c bit bus 0x91                 I2C adapter
> i2c-3   i2c             Radeon i2c bit bus 0x92                 I2C adapter
> i2c-4   i2c             Radeon i2c bit bus 0x93                 I2C adapter
> i2c-5   i2c             Radeon i2c bit bus 0x94                 I2C adapter
> i2c-6   i2c             Radeon i2c bit bus 0x95                 I2C adapter
> i2c-7   i2c             Radeon i2c bit bus 0x96                 I2C adapter
> i2c-8   i2c             Radeon i2c bit bus 0x97                 I2C adapter
> i2c-9   i2c             Radeon aux bus DP-auxch                 I2C adapter
> root@OT:/home/vis# i2cdetect 0
> WARNING! This program can confuse your I2C bus, cause data loss and worse!
> I will probe file /dev/i2c-0.
> I will probe address range 0x03-0x77.
> Continue? [Y/n]
>      0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f
> 00:          -- -- -- -- -- -- -- -- -- -- -- -- --
> 10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
> 20: -- 21 -- -- -- -- -- -- -- -- -- -- -- -- -- --
> 30: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
> 40: -- -- -- -- -- -- -- -- 48 -- -- -- -- -- -- --
> 50: 50 51 -- -- -- -- -- -- -- -- -- -- -- -- -- --
> 60: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
> 70: -- -- -- -- -- -- -- --
>
> I hope to see this patches soon in mainline - I have some Congatec
> devices where I
> am using an early version of this patch set.
>
> Btw I have a cgeb-backlight driver lying here :)
>
>
> Tested-by: Christian Gmeiner <christian.gmeiner@...il.com>
> Acked-by: Christian Gmeiner <christian.gmeiner@...il.com>
>


Hi Wolfram,

any update on your patch series to support CGEB? I have some time to work
on these patches but I don't want to duplicate the work. I really want
this watches
to hit mainline soon.

--
Christian Gmeiner, MSc
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