Commit Graph

3 Commits

Author SHA1 Message Date
Dan Carpenter 18d4a06f9b LEDS: propagate error codes in blinkm_detect()
Use the error codes from the lower levels instead of -ENODEV.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Jan-Simon Möller <jansimon.moeller@gmx.de>
Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
2012-07-27 08:15:09 +08:00
Dan Carpenter 4d8729a139 LEDS: memory leak in blinkm_led_common_set()
This can return without freeing the bl_work struct.  Also there was no
check for allocation failure.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Jan-Simon Möller <jansimon.moeller@gmx.de>
Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
2012-07-27 08:13:58 +08:00
Jan-Simon Möller b54cf35a7f LEDS: add BlinkM RGB LED driver, documentation and update MAINTAINERS
Add driver for BlinkM device to drivers/leds/.
Add entry to MAINTAINERS file.
Add documentation in Documentation/leds/.

A BlinkM is a RGB LED controlled through I2C.

This driver implements an interface to the LED framework
and another sysfs group to access the internal options
of the BlinkM.

rev6: Use module_i2c_driver().
rev5: Removed own workqueue in favor of events wq.
rev4: Fixed comments by Bryan Wu.
rev3: Fixed issues found by Jonathan Neuschäfer.

(bryan.wu@canonical.com: remove 2 trailing whitespace)

Signed-off-by: Jan-Simon Möller <jansimon.moeller@gmx.de>
Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
2012-07-24 16:00:51 +08:00