lkml.org 
[lkml]   [2018]   [Dec]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 2/2] leds: lp5024: Add the LP5024/18 RGB LED driver
On Wed 2018-12-19 13:41:18, Dan Murphy wrote:
> Pavel
>
> Thanks for the review.
>
> On 12/19/2018 01:34 PM, Pavel Machek wrote:
> > Hi!
> >
> >> +static DEVICE_ATTR_WO(ctrl_bank_a_mix);
> >> +static DEVICE_ATTR_WO(ctrl_bank_b_mix);
> >> +static DEVICE_ATTR_WO(ctrl_bank_c_mix);
> >> +
> >> +static struct attribute *lp5024_ctrl_bank_attrs[] = {
> >> + &dev_attr_ctrl_bank_a_mix.attr,
> >> + &dev_attr_ctrl_bank_b_mix.attr,
> >> + &dev_attr_ctrl_bank_c_mix.attr,
> >> + NULL
> >> +};
> >> +ATTRIBUTE_GROUPS(lp5024_ctrl_bank);
> >
> > ...
> >> +
> >> +static DEVICE_ATTR_WO(led1_mix);
> >> +static DEVICE_ATTR_WO(led2_mix);
> >> +static DEVICE_ATTR_WO(led3_mix);
> >> +
> >> +static struct attribute *lp5024_led_independent_attrs[] = {
> >> + &dev_attr_led1_mix.attr,
> >> + &dev_attr_led2_mix.attr,
> >> + &dev_attr_led3_mix.attr,
> >> + NULL
> >> +};
> >> +ATTRIBUTE_GROUPS(lp5024_led_independent);
> >
> > Ok, so you are adding new sysfs files. Are they _really_ neccessary?
> > We'd like to have uniform interfaces for the leds.
>
> Yes I am adding these for this driver.
> They adjust the individual brightness of each LED connected (what the HW guys called mixing).
>
> The standard brightness sysfs adjusts all 3 LEDs simultaneously so that all 3 LEDs brightness are
> uniform.

1 LED, 1 brightness file... that's what we do. Why should this one be different?

> I did not think these belonged in the dt as they should be user space configurable
>
> >
> > If they are neccessary, we need documentation for them.
>
> Sure I have no problem documenting them but where do I do that?
> I am assuming Documentation/leds/leds-lp5024.txt

Documentation/abi/...

Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
[unhandled content-type:application/pgp-signature]
\
 
 \ /
  Last update: 2018-12-19 21:11    [W:0.099 / U:19.124 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site