linux-kernel - Re: [PATCH] adv7604: Add DT parsing support

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Message-ID: <CAL8zT=gUaBDiq=KC5YqCD5dqx2WO1PSXGckvchX_9XxDbJJEpw@mail.gmail.com>
Date:	Thu, 23 Oct 2014 07:51:50 +0200
From:	Jean-Michel Hautbois <jean-michel.hautbois@...alys.com>
To:	Laurent Pinchart <laurent.pinchart@...asonboard.com>
Cc:	Linux Media Mailing List <linux-media@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	wsa@...-dreams.de, Lars-Peter Clausen <lars@...afoo.de>
Subject: Re: [PATCH] adv7604: Add DT parsing support

Hi Laurent,

Thank you for reviewing,

2014-10-23 1:53 GMT+02:00 Laurent Pinchart <laurent.pinchart@...asonboard.com>:
> Hi Jean-Michel,
>
> Thank you for the patch.
>
> On Wednesday 22 October 2014 17:34:21 Jean-Michel Hautbois wrote:
>> This patch adds support for DT parsing of ADV7604 as well as ADV7611.
>> It needs to be improved in order to get ports parsing too.
>
> Let's improve it then :-) The DT bindings as proposed by this patch are
> incomplete, that's just asking for trouble.
>
> How would you model the adv7604 ports ?

I am opened to suggestions :).
But it has to remain as simple as possible, ideally allowing for
giving names to the ports.
As done today, it works, ports are parsed but are all the same...

>> Signed-off-by: Jean-Michel Hautbois <jean-michel.hautbois@...alys.com>
>> ---
>>  Documentation/devicetree/bindings/media/i2c/adv7604.txt | 1 +
>>  drivers/media/i2c/adv7604.c                             | 1 +
>>  2 files changed, 2 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/media/i2c/adv7604.txt
>> b/Documentation/devicetree/bindings/media/i2c/adv7604.txt index
>> c27cede..5c8b3e6 100644
>> --- a/Documentation/devicetree/bindings/media/i2c/adv7604.txt
>> +++ b/Documentation/devicetree/bindings/media/i2c/adv7604.txt
>> @@ -10,6 +10,7 @@ Required Properties:
>>
>>    - compatible: Must contain one of the following
>>      - "adi,adv7611" for the ADV7611
>> +    - "adi,adv7604" for the ADV7604
>
> Please switch the two lines to keep them alphabetically sorted.
>>
>>    - reg: I2C slave address
>>
>> diff --git a/drivers/media/i2c/adv7604.c b/drivers/media/i2c/adv7604.c
>> index 47795ff..421035f 100644
>> --- a/drivers/media/i2c/adv7604.c
>> +++ b/drivers/media/i2c/adv7604.c
>> @@ -2677,6 +2677,7 @@ MODULE_DEVICE_TABLE(i2c, adv7604_i2c_id);
>>
>>  static struct of_device_id adv7604_of_id[] __maybe_unused = {
>>       { .compatible = "adi,adv7611", .data = &adv7604_chip_info[ADV7611] },
>> +     { .compatible = "adi,adv7604", .data = &adv7604_chip_info[ADV7604] },
>
> Same comment here.

Done on my side, but will wait for your suggestions, in order to add
ports parsing ;-).

Thanks,
JM
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