Re: [PATCH] backlight: ktd2801: fix LED dependency

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On Mon, Feb 12, 2024, at 15:31, Duje Mihanović wrote:
> On Monday, February 12, 2024 1:44:28 PM CET Daniel Thompson wrote:
>> On Mon, Feb 12, 2024 at 12:18:12PM +0100, Arnd Bergmann wrote:
> I believe this would be the best thing to do here. Making LEDS_EXPRESSWIRE 
> user selectable doesn't make much sense to me as the library is rather low-
> level (a quick grep turns up BTREE as an example of something similar) and IMO 
> the GPIOLIB dependency should be handled by LEDS_EXPRESSWIRE as it's the one 
> actually using the GPIO interface (except maybe for KTD2692 as it has some 
> extra GPIOs not present in the other one and thus handles them itself).

Agree, let's do it this way. Maybe the leds-expresswire.c file should
not be in drivers/leds either, but it's already there and I can't think
of a better place for it.so just adapting Kconfig should be enough.

Please add the corresponding Makefile change as well though:

--- a/drivers/Makefile
+++ b/drivers/Makefile
@@ -135,7 +135,7 @@ obj-$(CONFIG_CPU_IDLE)              += cpuidle/
 obj-y                          += mmc/
 obj-y                          += ufs/
 obj-$(CONFIG_MEMSTICK)         += memstick/
-obj-$(CONFIG_NEW_LEDS)         += leds/
+obj-y                          += leds/
 obj-$(CONFIG_INFINIBAND)       += infiniband/
 obj-y                          += firmware/
 obj-$(CONFIG_CRYPTO)           += crypto/

Without this, the expresswire library module won't
get built unless NEW_LEDS is enabled.

     Arnd




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