drivers/leds: add driver for PCA9633 I2C chip

Driver for the PCA9633 I2C chip supporting four LEDs and 255 brightness
levels.

[akpm@linux-foundation.org: fix kcalloc() call]
[axel.lin@gmail.com: fix kcalloc parameters swapped]
Signed-off-by: Peter Meerwald <p.meerwald@bct-electronic.com>
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index 8c7a75d53101..e2ac190df528 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -234,6 +234,14 @@ config LEDS_PCA955X
           LED driver chips accessed via the I2C bus.  Supported
           devices include PCA9550, PCA9551, PCA9552, and PCA9553.
 
+config LEDS_PCA9633
+        tristate "LED support for PCA9633 I2C chip"
+        depends on LEDS_CLASS
+        depends on I2C
+        help
+          This option enables support for LEDs connected to the PCA9633
+          LED driver chip accessed via the I2C bus.
+
 config LEDS_WM831X_STATUS
         tristate "LED support for status LEDs on WM831x PMICs"
         depends on LEDS_CLASS