Re: [PATCH] platform/x86: fix kconfig dependency warning for FUJITSU_LAPTOP

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Hi,

On 9/17/20 6:16 PM, Necip Fazil Yildiran wrote:
When FUJITSU_LAPTOP is enabled and NEW_LEDS is disabled, it results in the
following Kbuild warning:

WARNING: unmet direct dependencies detected for LEDS_CLASS
   Depends on [n]: NEW_LEDS [=n]
   Selected by [y]:
   - FUJITSU_LAPTOP [=y] && X86 [=y] && X86_PLATFORM_DEVICES [=y] && ACPI [=y] && INPUT [=y] && BACKLIGHT_CLASS_DEVICE [=y] && (ACPI_VIDEO [=n] || ACPI_VIDEO [=n]=n)

The reason is that FUJITSU_LAPTOP selects LEDS_CLASS without depending on
or selecting NEW_LEDS while LEDS_CLASS is subordinate to NEW_LEDS.

Honor the kconfig menu hierarchy to remove kconfig dependency warnings.

Reported-by: Hans de Goede <hdegoede@xxxxxxxxxx>
Fixes: d89bcc83e709 ("platform/x86: fujitsu-laptop: select LEDS_CLASS")
Signed-off-by: Necip Fazil Yildiran <fazilyildiran@xxxxxxxxx>

Thank you, patch looks good to me:

Reviewed-by: Hans de Goede <hdegoede@xxxxxxxxxx>

Regards,

Hans


---
  drivers/platform/x86/Kconfig | 1 +
  1 file changed, 1 insertion(+)

diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index 40219bba6801..3cd2b99628ba 100644
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -469,6 +469,7 @@ config FUJITSU_LAPTOP
  	depends on BACKLIGHT_CLASS_DEVICE
  	depends on ACPI_VIDEO || ACPI_VIDEO = n
  	select INPUT_SPARSEKMAP
+	select NEW_LEDS
  	select LEDS_CLASS
  	help
  	  This is a driver for laptops built by Fujitsu:





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