On Tue 2017-09-05 09:13:20, Arnd Bergmann wrote:
> We get a link error when V4L2_FLASH_LED_CLASS=m and AS3645A is built-in:
>
> drivers/leds/leds-as3645a.o: In function `as3645a_v4l2_setup':
> leds-as3645a.c:(.text+0x258): undefined reference to `v4l2_flash_init'
> leds-as3645a.c:(.text+0x284): undefined reference to `v4l2_flash_indicator_init'
> leds-as3645a.c:(.text+0x2a4): undefined reference to `v4l2_flash_release'
> drivers/leds/leds-as3645a.o: In function `as3645a_remove':
> leds-as3645a.c:(.text+0x784): undefined reference to `v4l2_flash_release'
>
> This adds the same Kconfig dependency that the other V4L2 flash
> drivers in drivers/leds use, to avoid that broken configuration.
>
> Fixes: a56ba8fbcb55 ("media: leds: as3645a: Add LED flash class driver")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
Acked-by: Pavel Machek <pavel@xxxxxx>
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