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leds: blinkm: Fix CONFIG_LEDS_CLASS_MULTICOLOR dependency

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With CONFIG_LEDS_CLASS_MULTICOLOR=m, a builtin leds-blinkm driver causes
a link failure:

arm-linux-gnueabi-ld: drivers/leds/leds-blinkm.o: in function `blinkm_set_mc_brightness':
leds-blinkm.c:(.text.blinkm_set_mc_brightness+0xc): undefined reference to `led_mc_calc_color_components'

Add a more specific dependency that only allows multicoler mode to
be enabled for blinkm if it can build and link.

Fixes: 56e8c56c9a ("leds: Add multicolor support to BlinkM LED driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Joseph Strauss <jstrauss@mailbox.org>
Link: https://lore.kernel.org/r/20240807075614.2118068-1-arnd@kernel.org
Signed-off-by: Lee Jones <lee@kernel.org>
This commit is contained in:
Arnd Bergmann 2024-08-07 09:55:53 +02:00 committed by Lee Jones
parent 82c5ada1f9
commit 17c40f3c94
1 changed files with 1 additions and 1 deletions
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2
drivers/leds/Kconfig
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@ -828,7 +828,7 @@ config LEDS_BLINKM
config LEDS_BLINKM_MULTICOLOR config LEDS_BLINKM_MULTICOLOR
bool "Enable multicolor support for BlinkM I2C RGB LED" bool "Enable multicolor support for BlinkM I2C RGB LED"
depends on LEDS_BLINKM depends on LEDS_BLINKM
depends on LEDS_CLASS_MULTICOLOR depends on LEDS_CLASS_MULTICOLOR=y || LEDS_CLASS_MULTICOLOR=LEDS_BLINKM
help help
This option enables multicolor sysfs class support for BlinkM LED and This option enables multicolor sysfs class support for BlinkM LED and
disables the older, separated sysfs interface disables the older, separated sysfs interface