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3 Commits (75253b3cff98674d6bf98071b7bce78ae6315a9d)

Author SHA1 Message Date
Axel Lin eccb663856 leds: lm3642: Return proper error in lm3642_[torch|strobe]_pin_store error paths 
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: G.Shark Jeong <gshark.jeong@gmail.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
 2012-11-26 14:28:42 -08:00
Axel Lin e76a322af1 leds: lm3642: Use regmap_update_bits() in lm3642_chip_init() 
Use regmap_update_bits() to replace regmap_read() + regmap_write().
With this patch, we only show the error message when regmap_update_bits()
fails.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: G.Shark Jeong<gshark.jeong@gmail.com>
Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
 2012-09-24 12:24:22 +08:00
G.Shark Jeong 8b7cfbec05 leds: Add new LED driver for lm3642 chips 
This driver is a general version for LM642 led chip of TI.

LM3642 :
The LM3642 is a 4MHz fixed-frequency synchronous boost
converter plus 1.5A constant current driver for a high-current
white LED.
The LM3642 is controlled via an I2C-compatible interface.

Signed-off-by: G.Shark Jeong <gshark.jeong@gmail.com>
Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
 2012-09-13 11:56:41 +08:00