Re: [PATCH v4 6/6] leds: lm36274: Introduce the TI LM36274 LED driver

From: Dan Murphy
Date: Tue May 21 2019 - 15:44:18 EST


Jacek

On 5/21/19 1:46 PM, Jacek Anaszewski wrote:
> Dan,
>
> On 5/21/19 8:25 PM, Dan Murphy wrote:
>> Jacek
>>
>> On 5/21/19 12:40 PM, Jacek Anaszewski wrote:
>>> On 5/20/19 11:19 PM, Dan Murphy wrote:
>>>> Jacek
>>>>
>>>> On 5/20/19 2:54 PM, Jacek Anaszewski wrote:
>>>>> Hi Dan,
>>>>>
>>>>> On 5/7/19 10:11 PM, Dan Murphy wrote:
>>>>>> Introduce the LM36274 LED driver. This driver uses the ti-lmu
>>>>>> MFD driver to probe this LED driver. The driver configures only the
>>>>>> LED registers and enables the outputs according to the config file.
>>>>>>
>>>>>> The driver utilizes the TI LMU (Lighting Management Unit) LED common
>>>>>> framework to set the brightness bits.
>>>>>>
>>>>>> Signed-off-by: Dan Murphy <dmurphy@xxxxxx>
>>>>>> ---
>>>>>> ÂÂÂ drivers/leds/KconfigÂÂÂÂÂÂÂ |ÂÂ 7 ++
>>>>>> ÂÂÂ drivers/leds/MakefileÂÂÂÂÂÂ |ÂÂ 1 +
>>>>>> ÂÂÂ drivers/leds/leds-lm36274.c | 174 ++++++++++++++++++++++++++++++++++++
>>>>>> ÂÂÂ 3 files changed, 182 insertions(+)
>>>>>> ÂÂÂ create mode 100644 drivers/leds/leds-lm36274.c
>>>>>>
>>>>>> diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
>>>>>> index 255fdd5e8491..db83a3feca01 100644
>>>>>> --- a/drivers/leds/Kconfig
>>>>>> +++ b/drivers/leds/Kconfig
>>>>>> @@ -791,6 +791,13 @@ config LEDS_LM3697
>>>>>> ÂÂÂÂÂÂÂÂÂ Say Y to enable the LM3697 LED driver for TI LMU devices.
>>>>>> ÂÂÂÂÂÂÂÂÂ This supports the LED device LM3697.
>>>>>> ÂÂÂ +config LEDS_LM36274
>>>>>> +ÂÂÂ tristate "LED driver for LM36274"
>>>>>> +ÂÂÂ depends on LEDS_TI_LMU_COMMON
>>>>>
>>>>> Shouldn't we have "depends on MFD_TI_LMU" as well here?
>>>>>
>>>>
>>>> Actually the LEDS_TI_LMU_COMMON flag should depend on MFD_TI_LMU.
>>>> Then it would inherit that dependency.
>>>
>>> LEDS_TI_LMU_COMMON does not seem too have any dependency on MFD_TI_LMU,
>>> and it would be incorrect to require enabling MFD_TI_LMU for all drivers
>>> depending on TI_LMU_COMMON, that can be probed on their own, like
>>> leds-lm3697.c .
>>>
>>
>> Correct.
>>
>> I can update the Kconfigs unless you want to ammend the commits.
>
> I added "depends on MFD_TI_LMU" to "config LEDS_LM36274".
> Please verify your patch sets pushed to [0].
>

Pulled
Built
tested
verified

Good to go

Dan

> [0] https://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds.git/log/?h=ib-leds-mfd-regulator
>