[PATCH v10 0/8] LED / flash API integration

[Jacek Anaszewski <j.anaszewski@samsung.com>]

This is tenth non-RFC version of LED / flash API integration
series [1]. It is based on linux_next-20150605 with patch [2].

================
Changes since v9
================
- improved v4l2_flash_open and v4l2_flash_close functions of
  v4l2-flash-led-class wrapper, to lock/unlock also the sysfs interface
  of indicator LED flash class device
- improved slightly LED subsystem documentation for V4L2 flash wrapper
- used proper function for getting the size of array of phandles in
  the exynos4-is media device driver and switched over to only raising
  a warning when a sensor phandle related to a flash phandle is not known
  to the media device controller

================
Changes since v8
================
- switched from samsung,flash-leds to samsun,camera-flashes DT property
- improved async sub-devices matching for exynos4-is media device
- modified v4l2-flash-led-class wrapper to incorporate indicator
  LED class deviecs

================
Changes since v7
================

- Merged patches from Sakari for v4l2-flash-led-class and V4L2 related
  patches for leds-max77693 and leds-aat1290 drivers
- applied minor modifications to the both led drivers related patches
- modified exynos4-is media device to parse new samsung,flash-led
  property, instead of 'flashes' array
- added DT documentation for samsung,flash-led property

================
Changes since v5
================
- renamed v4l2-flash module to v4l2-flash-led-class and applied
  other related modifications spotted by Sakari
- fixed not released of_node reference in max77693-led driver

================
Changes since v4
================
- adapted leds-max77693 and leds-aat1290 drivers to the recent
  modifications in leds/common.txt bindings documentation and
  changed the behaviour when properties are missing
- modified DT bindings documenation for the aforementioned
  drivers
- removed unjustified use of goto in the leds-aat1290 driver
- fixed lack of of_node_put in leds-aat1290 driver, after parsing
  DT child node 
- removed patch adding 'skyworks' vendor prefix, as the entry
  has been recently added

================
Changes since v2
================
- improved leds/common DT bindings documentation
- improved max77693-led DT documentation
- fixed validation of DT confguration for leds-max77693 by
  minimal values in joint iouts case
- removed trigger-type property from leds-max77693 bindings
  and adjusted the driver accordingly
- improved LED Flash class documentation related to v4l2-flash sub-device
  initialization
- excluded from leds-aat1290 DT bindings documentation the part
  related to handling external strobe sources

================
Changes since v1
================

- excluded exynos4-is media device related patches, as there is
  consenus required related to flash devices handling in media device
  DT bindings
- modifications around LED Flash class settings and v4l2 flash config
  initialization in LED Flash class drivers and v4l2-flash wrapper
- switched to using DT node name as a device name for leds-max77693
  and leds-aat1290 drivers, in case DT 'label' property is absent
- dropped OF dependecy for v4l2-flash wrapper
- moved LED_FAULTS definitions from led-class-flash.h to uapi/linux/leds.h
- allowed for multiple clients of v4l2-flash sub-device

======================
Changes since RFC v13:
======================

- reduced number of patches - some of them have been merged
- slightly modified max77693-led device naming
- fixed issues in v4l2-flash helpers detected with yavta
- cleaned up AAT1290 device tree documentation
- added GPIOLIB dependecy to AAT1290 related entry in Kconfig

Thanks,
Jacek Anaszewski

[1] http://www.spinics.net/lists/kernel/msg1944538.html
[2] http://www.spinics.net/lists/linux-media/msg89839.html

Jacek Anaszewski (8):
  Documentation: leds: Add description of v4l2-flash sub-device
  media: Add registration helpers for V4L2 flash sub-devices
  leds: max77693: add support for V4L2 Flash sub-device
  DT: aat1290: Document handling external strobe sources
  leds: aat1290: add support for V4L2 Flash sub-device
  exynos4-is: Improve the mechanism of async subdevs verification
  DT: Add documentation for exynos4-is 'flashes' property
  exynos4-is: Add support for v4l2-flash subdevs

 .../devicetree/bindings/leds/leds-aat1290.txt      |   36 +-
 .../devicetree/bindings/media/samsung-fimc.txt     |   10 +
 Documentation/leds/leds-class-flash.txt            |   51 ++
 drivers/leds/Kconfig                               |    1 +
 drivers/leds/leds-aat1290.c                        |  137 +++-
 drivers/leds/leds-max77693.c                       |  129 +++-
 drivers/media/platform/exynos4-is/media-dev.c      |  105 ++-
 drivers/media/platform/exynos4-is/media-dev.h      |   12 +-
 drivers/media/v4l2-core/Kconfig                    |   11 +
 drivers/media/v4l2-core/Makefile                   |    2 +
 drivers/media/v4l2-core/v4l2-flash-led-class.c     |  708 ++++++++++++++++++++
 include/media/v4l2-flash-led-class.h               |  148 ++++
 12 files changed, 1326 insertions(+), 24 deletions(-)
 create mode 100644 drivers/media/v4l2-core/v4l2-flash-led-class.c
 create mode 100644 include/media/v4l2-flash-led-class.h

-- 
1.7.9.5