/patch/8664831/
[2] https://lkml.org/lkml/2015/4/28/260
David Lin (3):
leds: Replace flags bit shift with BIT() macros
leds: Add the LED_BRIGHTNESS_FAST flag
led: ledtrig-transient: add support for hrtimer
Documentation/leds/leds-class.txt| 5 +++
drivers/leds/trigger/ledtrig
Anaszewski
Signed-off-by: David Lin
---
Documentation/leds/leds-class.txt | 5 +
include/linux/leds.h | 1 +
2 files changed, 6 insertions(+)
diff --git a/Documentation/leds/leds-class.txt
b/Documentation/leds/leds-class.txt
index 836cb16d6f09..70d7a3dca621 100644
--- a/Documentation
This is for readability as well as to avoid checkpatch warnings when
adding new bit flag information in the future.
Signed-off-by: David Lin
---
include/linux/leds.h | 12 ++--
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/include/linux/leds.h b/include/linux/leds.h
This patch adds a hrtimer to ledtrig-transient so that when driver is
registered with LED_BRIGHTNESS_FAST, the hrtimer is used for the better
time accuracy in handling the duration.
Signed-off-by: David Lin
---
drivers/leds/trigger/ledtrig-transient.c | 59 +---
1
+Cc: Greg KH
On Sun, Apr 30, 2017 at 2:36 PM, David Lin wrote:
> Hi,
>
> These patch series add the LED_BRIGHTNESS_FAST flag support for
> ledtrig-transient to use hrtimer so that platforms with high-resolution timer
> support can have better accuracy in the trigger duration timin
This patch adds a hrtimer to ledtrig-transient so that when driver is
registered with LED_BRIGHTNESS_FAST, the hrtimer is used for the better
time accuracy in handling the duration.
Signed-off-by: David Lin
---
drivers/leds/trigger/ledtrig-transient.c | 59 +---
1
This is for readability as well as to avoid checkpatch warnings when
adding new bit flag information in the future.
Signed-off-by: David Lin
---
include/linux/leds.h | 18 +-
1 file changed, 9 insertions(+), 9 deletions(-)
diff --git a/include/linux/leds.h b/include/linux
Anaszewski
Signed-off-by: David Lin
---
Documentation/leds/leds-class.txt | 5 +
include/linux/leds.h | 1 +
2 files changed, 6 insertions(+)
diff --git a/Documentation/leds/leds-class.txt
b/Documentation/leds/leds-class.txt
index 836cb16d6f09..70d7a3dca621 100644
--- a/Documentation
/patch/8664831/
[2] https://lkml.org/lkml/2015/4/28/260
Changes from v1 to v2:
- Convert all the bit shifting flag in leds.h to use the BIT macro.
- Removed inline modifiers for the timer helper function.
David Lin (3):
leds: Replace flags bit shift with BIT() macros
leds: Add the
On Wed, Sep 13, 2017 at 1:20 PM, Pavel Machek wrote:
>
> Hi!
>
> > These patch series add the LED_BRIGHTNESS_FAST flag support for
> > ledtrig-transient to use hrtimer so that platforms with high-resolution
> > timer
> > support can have better accuracy in the trigger duration timing. The need
>
On Wed, Sep 13, 2017 at 2:34 PM, Pavel Machek wrote:
>
> On Wed 2017-09-13 14:20:58, David Lin wrote:
> > On Wed, Sep 13, 2017 at 1:20 PM, Pavel Machek wrote:
> > >
> > > Hi!
> > >
> > > > These patch series add the LED_BRIGHTNESS_FAST flag supp
On Thu, Sep 14, 2017 at 12:31 PM, Jacek Anaszewski
wrote:
> I would change one more thing in this patch, though. The hr_timer engine
> should be made optional and not used by default for fast LEDs.
> It could be made configurable by exposing additional sysfs file from
> ledtrig-transient.c, e.g. h
Dmitry,
On Fri, Sep 15, 2017 at 3:30 PM, Dmitry Torokhov
wrote:
> On Fri, Sep 15, 2017 at 2:55 PM, Jacek Anaszewski
> wrote:
>> On 09/15/2017 08:34 PM, Dmitry Torokhov wrote:
>>> On Thu, Sep 14, 2017 at 1:58 PM, Pavel Machek wrote:
On Thu 2017-09-14 21:31:31, Jacek Anaszewski wrote:
>
On Wed, Sep 27, 2017 at 10:43 PM, Dmitry Torokhov
wrote:
>>One thing I noticed is that input_ff_create_memless() also does not
>>use high-resolution timer hence it also does not have the stop-time
>>precision that I'm looking for.
>
> I'll take patches for high resolution timers in ff memless, the
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