leds: simple driver for pwm driven LEDs
Add a simple driver for pwm driver LEDs. pwm_id and period can be defined
in board file. It is developed for pxa, however it is probably generic
enough to be used on other platforms with pwm.
Signed-off-by: Luotao Fu <l.fu@pengutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index 16a9408..89ea7ef 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -197,6 +197,12 @@
This option enables support for DAC124S085 SPI DAC from NatSemi,
which can be used to control up to four LEDs.
+config LEDS_PWM
+ tristate "PWM driven LED Support"
+ depends on LEDS_CLASS && HAVE_PWM
+ help
+ This option enables support for pwm driven LEDs
+
comment "LED Triggers"
config LEDS_TRIGGERS