linux-kernel - Re: [PATCH] extcon: arizona: Update naming for micd-timeout DT to include units

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Date:	Mon, 07 Dec 2015 10:31:10 +0900
From:	Chanwoo Choi <cw00.choi@...sung.com>
To:	Pavel Machek <pavel@....cz>,
	Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>
Cc:	myungjoo.ham@...sung.com, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, patches@...nsource.wolfsonmicro.com
Subject: Re: [PATCH] extcon: arizona: Update naming for micd-timeout DT to
 include units

Hi Pavel,

On 2015년 12월 05일 06:00, Pavel Machek wrote:
> On Mon 2015-11-23 14:51:30, Charles Keepax wrote:
>> Add time units of -ms (milliseconds) to wlf,micd-timeout.
>>
>> Signed-off-by: Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>
>> ---
>>  .../devicetree/bindings/extcon/extcon-arizona.txt  |    2 +-
>>  drivers/extcon/extcon-arizona.c                    |    2 +-
>>  2 files changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/Documentation/devicetree/bindings/extcon/extcon-arizona.txt b/Documentation/devicetree/bindings/extcon/extcon-arizona.txt
>> index da9813b..05d85ac 100644
>> --- a/Documentation/devicetree/bindings/extcon/extcon-arizona.txt
>> +++ b/Documentation/devicetree/bindings/extcon/extcon-arizona.txt
>> @@ -33,7 +33,7 @@ Optional properties:
>>      specified as per the ARIZONA_MICD_TIME_XXX defines.
>>    - wlf,micd-dbtime : Microphone detection hardware debounces specified as the
>>      number of measurements to take, valid values being 2 and 4.
>> -  - wlf,micd-timeout : Timeout for microphone detection, specified in
>> +  - wlf,micd-timeout-ms : Timeout for microphone detection, specified in
>>      milliseconds.
>>    - wlf,micd-force-micbias : Force MICBIAS continuously on during microphone
>>      detection.
>> diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c
>> index c377030..8647533 100644
>> --- a/drivers/extcon/extcon-arizona.c
>> +++ b/drivers/extcon/extcon-arizona.c
>> @@ -1230,7 +1230,7 @@ static int arizona_extcon_device_get_pdata(struct arizona *arizona)
>>  	device_property_read_u32(arizona->dev, "wlf,micd-dbtime",
>>  				 &pdata->micd_dbtime);
>>  
>> -	device_property_read_u32(arizona->dev, "wlf,micd-timeout",
>> +	device_property_read_u32(arizona->dev, "wlf,micd-timeout-ms",
>>  				 &pdata->micd_timeout);
>>  
>>  	pdata->micd_force_micbias =
> device_property_read_bool(arizona->dev,
> 
> While the change is nice, new kernel is supposed to work with old
> DTS. So you'd need to check for both properties here..

This is new DT option. There are no dtbs usingt this property
in latest kernel. So, ther is no issue.

Thanks,
Chanwoo Choi



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