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authorJohan Hovold <jhovold@gmail.com>2012-05-30 02:07:31 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2012-05-30 03:22:32 +0400
commit401dea7f7ade662b77c33ce2498fb5b4f97cb29c (patch)
tree2e54d2e170e3e9ba0db256e633c91b2f802f9896 /drivers/leds/Kconfig
parente7e11d8ba807d451857b5c68abe249c7fc2b980f (diff)
downloadlinux-401dea7f7ade662b77c33ce2498fb5b4f97cb29c.tar.xz
leds: add LM3533 LED driver
Add sub-driver for the LEDs on National Semiconductor / TI LM3533 lighting power chips. The chip provides 256 brightness levels, hardware accelerated blinking as well as ambient-light-sensor and pwm input control. Signed-off-by: Johan Hovold <jhovold@gmail.com> Cc: Richard Purdie <rpurdie@rpsys.net> Cc: Rob Landley <rob@landley.net> Cc: Samuel Ortiz <sameo@linux.intel.com> Cc: Jonathan Cameron <jic23@cam.ac.uk> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Mark Brown <broonie@opensource.wolfsonmicro.com> Cc: Bryan Wu <bryan.wu@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/leds/Kconfig')
-rw-r--r--drivers/leds/Kconfig13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index 6b2e1e4fdeb8..04cb8c88d74b 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -50,6 +50,19 @@ config LEDS_LM3530
controlled manually or using PWM input or using ambient
light automatically.
+config LEDS_LM3533
+ tristate "LED support for LM3533"
+ depends on LEDS_CLASS
+ depends on MFD_LM3533
+ help
+ This option enables support for the LEDs on National Semiconductor /
+ TI LM3533 Lighting Power chips.
+
+ The LEDs can be controlled directly, through PWM input, or by the
+ ambient-light-sensor interface. The chip supports
+ hardware-accelerated blinking with maximum on and off periods of 9.8
+ and 77 seconds respectively.
+
config LEDS_LOCOMO
tristate "LED Support for Locomo device"
depends on LEDS_CLASS