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Subject[GIT PULL] pwm: Changes for v4.7-rc1
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Hi Linus,

The following changes since commit f55532a0c0b8bb6148f4e07853b876ef73bc69ca:

Linux 4.6-rc1 (2016-03-26 16:03:24 -0700)

are available in the git repository at:

git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm.git tags/pwm/for-4.7-rc1

for you to fetch changes up to 18c588786c08458f5d965d8735ab48f9e51e0b4b:

Merge branch 'for-4.7/pwm-atomic' into for-next (2016-05-17 14:57:58 +0200)

Thanks,
Thierry

----------------------------------------------------------------
pwm: Changes for v4.7-rc1

This set of changes introduces an atomic API to the PWM subsystem. This
is influenced by the DRM atomic API that was introduced a while back,
though it is obviously a lot simpler. The fundamental idea remains the
same, though: drivers provide a single callback to implement the atomic
configuration of a PWM channel.

As a side-effect the PWM subsystem gains the ability for initial state
retrieval, so that the logical state mirrors that of the hardware. Many
use-cases don't care about this, but for others it is essential.

These new features require changes in all users, which these patches
take care of. The core is transitioned to use the atomic callback if
available and provides a fallback mechanism for other drivers.

Changes to transition users and drivers to the atomic API are postponed
to v4.8.

----------------------------------------------------------------
Boris BREZILLON (4):
pwm: rcar: Make use of pwm_is_enabled()
backlight: pwm_bl: Remove useless call to pwm_set_period()
backlight: lm3630a_bl: Stop messing with the pwm->period field
pwm: Get rid of pwm->lock

Boris Brezillon (25):
pwm: Introduce the pwm_args concept
regulator: pwm: Use pwm_get_args() where appropriate
pwm: Fix pwm_apply_args() call sites
pwm: Use pwm_get/set_xxx() helpers where appropriate
clk: pwm: Use pwm_get_args() where appropriate
hwmon: pwm-fan: Use pwm_get_args() where appropriate
input: misc: max77693: Use pwm_get_args() where appropriate
leds: pwm: Use pwm_get_args() where appropriate
regulator: pwm: Use pwm_get_args() where appropriate
fbdev: ssd1307fb: Use pwm_get_args() where appropriate
backlight: pwm_bl: Use pwm_get_args() where appropriate
backlight: lp8788: Explicitly apply PWM config extracted from pwm_args
backlight: lp855x: Explicitly apply PWM config extracted from pwm_args
backlight: lm3630a: explicitly apply PWM config extracted from pwm_args
input: misc: max8997: Explicitly apply PWM config extracted from pwm_args
input: misc: pwm-beeper: Explicitly apply PWM config extracted from pwm_args
drm: i915: Explicitly apply PWM config extracted from pwm_args
ARM: Explicitly apply PWM config extracted from pwm_args
pwm: Keep PWM state in sync with hardware state
pwm: Introduce the pwm_state concept
pwm: Move the enabled/disabled info into pwm_state
pwm: Add hardware readout infrastructure
pwm: Add core infrastructure to allow atomic updates
pwm: Update documentation
pwm: Switch to the atomic API

Heiko Stübner (1):
pwm: Add information about polarity, duty cycle and period to debugfs

Thierry Reding (8):
Merge branch 'for-4.7/pwm-args' into for-4.7/pwm-regulator
pwm: Add missing newline
pwm: Use kcalloc() instead of kzalloc()
Merge branch 'for-4.7/pwm-args' into for-4.7/pwm-atomic
Merge branch 'for-4.7/pwm-cleanup' into for-next
Merge branch 'for-4.7/pwm-args' into for-next
Merge branch 'for-4.7/pwm-regulator' into for-next
Merge branch 'for-4.7/pwm-atomic' into for-next

Documentation/pwm.txt | 30 +++-
arch/arm/mach-s3c24xx/mach-rx1950.c | 6 +
drivers/clk/clk-pwm.c | 17 +-
drivers/gpu/drm/i915/intel_panel.c | 6 +
drivers/hwmon/pwm-fan.c | 26 ++-
drivers/input/misc/max77693-haptic.c | 17 +-
drivers/input/misc/max8997_haptic.c | 6 +
drivers/input/misc/pwm-beeper.c | 6 +
drivers/leds/leds-pwm.c | 11 +-
drivers/pwm/core.c | 223 ++++++++++++++---------
drivers/pwm/pwm-clps711x.c | 2 +-
drivers/pwm/pwm-crc.c | 2 +-
drivers/pwm/pwm-lpc18xx-sct.c | 2 +-
drivers/pwm/pwm-omap-dmtimer.c | 2 +-
drivers/pwm/pwm-pxa.c | 2 +-
drivers/pwm/pwm-rcar.c | 2 +-
drivers/pwm/pwm-sun4i.c | 3 +-
drivers/pwm/sysfs.c | 70 ++++++--
drivers/regulator/pwm-regulator.c | 20 ++-
drivers/video/backlight/lm3630a_bl.c | 9 +-
drivers/video/backlight/lp855x_bl.c | 6 +
drivers/video/backlight/lp8788_bl.c | 6 +
drivers/video/backlight/pwm_bl.c | 14 +-
drivers/video/fbdev/ssd1307fb.c | 11 +-
include/linux/pwm.h | 338 +++++++++++++++++++++++++++--------
25 files changed, 630 insertions(+), 207 deletions(-)

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