Commit Graph

10 Commits

Author SHA1 Message Date
Dan Murphy a2169c9b76 leds: lp8860: Various fixes to align with LED framework
Update the driver to conform with the LED framework:
 - use devm_led_classdev_register
 - destroy mutex on exit
 - remove dependency on CONFIG_OF in the driver and move
   to the Kconfig
 - update the MODULE_LICENSE to GPL v2
 - remove setting of MAX brightness as the LED framework
   does this.

Signed-off-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
2018-01-08 21:28:12 +01:00
Dan Murphy 50aa46c4bd leds: lp8860: Add DT parsing to retrieve the trigger node
Add the ability to parse the DT and set the default
trigger mode for the LED.

Signed-off-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
2018-01-08 21:28:12 +01:00
Dan Murphy c6b218c9c0 leds: lp8860: Update the dt parsing for LED labeling
Update the DT parsing for the label node so that
the label is retrieved from the device child as
opposed to being part of the parent.

This will align this driver with the LED
binding documentation

Documentation/devicetree/bindings/leds/common.txt

Signed-off-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
2018-01-08 21:28:11 +01:00
Dan Murphy b12ef03a38 leds: lp8860: Add regulator enable during init
Add the regulator enable call during initialization.
If init fails then disable the regulator.

Also during init the gpio gets set low even
on a passing case so add if everything passes
then return.

Signed-off-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
2018-01-08 21:28:10 +01:00
Dan Murphy 8a7a76c800 leds: lp8860: Fix linuxdoc format for structure
Fix the linuxdoc format defining the lp8860 structure.

Signed-off-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
2018-01-08 21:28:10 +01:00
Andrew Lunn 7c4b10a2eb leds: lp8860: Remove work queue
Now the core implements the work queue, remove it from the drivers,
and switch to using brightness_set_blocking op.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
2016-01-04 09:57:33 +01:00
Axel Lin de88e71a91 leds: lp8860: Constify reg_default tables
These reg_default tables are not modified after initialized, so make them
const.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
2015-08-28 14:06:04 +02:00
Masanari Iida 5ee047fb7d leds: lp8860: Fix typo in MODULE_DESCRIPTION in leds-lp8860.c
This patch fix a spelling typo in MODULE_DESCRIPTION in
leds-lp8860.c

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
2015-03-30 11:55:51 -07:00
Uwe Kleine-König eb2294c343 leds: lp8860: make use of devm_gpiod_get_optional
The probe function open coded a bad variant of devm_gpiod_get_optional
using devm_gpiod_get and just ignoring all errors.
In contrast to that devm_gpiod_get_optional returns NULL if there was no
corresponding gpio specified in the device tree (or ACPI table) and
fails if there is an error (or GPIOLIB is not enabled).

Moreover since 39b2bbe3d7 (gpio: add flags argument to gpiod_get*()
functions) which appeared in v3.17-rc1, the gpiod_get* functions take an
additional parameter that allows to specify direction and initial value
for output which allows some simplification.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
2015-03-02 13:29:33 -08:00
Dan Murphy 7a8685accb leds: lp8860: Introduce TI lp8860 4 channel LED driver
Introduce the Texas Instruments lp8860
4 channel LED driver.

This driver configures the device in display cluster mode
as this seems to be the most used configuration at the
time of the driver configuration.

For more product information please see the link below:
http://www.ti.com/product/lp8860-q1

Signed-off-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
2014-11-19 10:33:06 -08:00