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From: Dan Murphy <dmurphy@ti.com>
To: Jacek Anaszewski <jacek.anaszewski@gmail.com>, <pavel@ucw.cz>
Cc: <robh+dt@kernel.org>, <linux-leds@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v5 1/9] leds: multicolor: Add sysfs interface definition
Date: Mon, 16 Sep 2019 08:56:14 -0500	[thread overview]
Message-ID: <eb08cd1b-a3eb-18db-0dd2-5c34637df9d5@ti.com> (raw)
In-Reply-To: <e34f4182-71d1-d51d-fb07-f88f6b88b6a3@gmail.com>

Hello

On 9/15/19 8:57 AM, Jacek Anaszewski wrote:
> Hi Dan,
>
> On 9/11/19 8:01 PM, Dan Murphy wrote:
>> Add a documentation of LED Multicolor LED class specific
>> sysfs attributes.
>>
>> Signed-off-by: Dan Murphy <dmurphy@ti.com>
>> ---
>>   .../ABI/testing/sysfs-class-led-multicolor    | 73 +++++++++++++++++++
>>   1 file changed, 73 insertions(+)
>>   create mode 100644 Documentation/ABI/testing/sysfs-class-led-multicolor
>>
>> diff --git a/Documentation/ABI/testing/sysfs-class-led-multicolor b/Documentation/ABI/testing/sysfs-class-led-multicolor
>> new file mode 100644
>> index 000000000000..4ea54c2ad4c8
>> --- /dev/null
>> +++ b/Documentation/ABI/testing/sysfs-class-led-multicolor
>> @@ -0,0 +1,73 @@
>> +What:		/sys/class/leds/<led>/brightness
>> +Date:		Sept 2019
>> +KernelVersion:	5.5
>> +Contact:	Dan Murphy <dmurphy@ti.com>
>> +Description:	read/write
>> +		The multicolor class will redirect the device drivers call back
>> +		function for brightness control to the multicolor class
>> +		brightness control function.
>> +
>> +		Writing to this file will update all LEDs within the group to a
>> +		calculated percentage of what each color LED in the group is set
>> +		to.  The percentage is calculated via the equation below:
>> +
>> +		led_brightness = requested_value * led_color_intensity/led_color_max_intensity
>> +
>> +		For additional details please refer to
>> +		Documentation/leds/leds-class-multicolor.rst.
>> +
>> +		The value of the color is from 0 to
>> +		/sys/class/leds/<led>/max_brightness.
>> +
>> +What:		/sys/class/leds/<led>/colors/color_mix
>> +Date:		Sept 2019
>> +KernelVersion:	5.5
>> +Contact:	Dan Murphy <dmurphy@ti.com>
>> +Description:	read/write
>> +		The values written to this file should contain the intensity
>> +		values of each multicolor LED within the colors directory. The
>> +		index of given color is reported by the color_id file present in
>> +		colors/<color> directory. The index determines the position in
>> +		the sequence of	intensities on which the related intensity
>> +		should be passed to this file.
>> +
>> +		For additional details please refer to
>> +		Documentation/leds/leds-class-multicolor.rst.
> As already mentioned in the reply to Pavel - let's avoid the
> introduction of another sysfs file with multiple values.

OK for clarification remove the color_mix and color_id files and keep 
the intensity files?

Dan


  reply	other threads:[~2019-09-16 13:54 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-11 18:01 [PATCH v5 0/9] Multicolor FW update Dan Murphy
2019-09-11 18:01 ` [PATCH v5 1/9] leds: multicolor: Add sysfs interface definition Dan Murphy
2019-09-15 13:57   ` Jacek Anaszewski
2019-09-16 13:56     ` Dan Murphy [this message]
2019-09-16 18:31       ` Jacek Anaszewski
2019-09-11 18:01 ` [PATCH v5 2/9] documention: leds: Add multicolor class documentation Dan Murphy
2019-09-12 20:55   ` Pavel Machek
2019-09-13  2:09     ` Dan Murphy
2019-09-15 12:45     ` Jacek Anaszewski
2019-09-11 18:01 ` [PATCH v5 3/9] dt: bindings: Add multicolor class dt bindings documention Dan Murphy
2019-09-15 14:01   ` Jacek Anaszewski
2019-09-16 13:58     ` Dan Murphy
2019-09-11 18:01 ` [PATCH v5 4/9] dt-bindings: leds: Add multicolor ID to the color ID list Dan Murphy
2019-09-11 18:01 ` [PATCH v5 5/9] " Dan Murphy
2019-09-11 18:01 ` [PATCH v5 6/9] leds: multicolor: Introduce a multicolor class definition Dan Murphy
2019-09-15 16:20   ` Jacek Anaszewski
2019-09-16 14:04     ` Dan Murphy
2019-09-16 18:34     ` Dan Murphy
2019-09-16 20:18       ` Jacek Anaszewski
2019-09-11 18:01 ` [PATCH v5 7/9] dt: bindings: lp50xx: Introduce the lp50xx family of RGB drivers Dan Murphy
2019-09-11 18:01 ` [PATCH v5 8/9] leds: lp50xx: Add the LP50XX family of the RGB LED driver Dan Murphy
2019-09-11 18:01 ` [PATCH v5 9/9] leds: Update the lp55xx to use the multi color framework Dan Murphy
2019-09-15 16:28   ` Jacek Anaszewski
2019-09-16 14:03     ` Dan Murphy

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