From: Greg KH <greg@kroah.com>
To: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Richard Purdie <rpurdie@rpsys.net>,
Jacek Anaszewski <jacek.anaszewski@gmail.com>,
Pavel Machek <pavel@ucw.cz>,
linux-kernel@vger.kernel.org, linux-leds@vger.kernel.org,
linux-arm-msm@vger.kernel.org, Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
devicetree@vger.kernel.org, Fenglin Wu <fenglinw@codeaurora.org>
Subject: Re: [PATCH v3 1/3] leds: core: Introduce generic pattern interface
Date: Wed, 15 Nov 2017 08:36:42 +0100 [thread overview]
Message-ID: <20171115073642.GA21307@kroah.com> (raw)
In-Reply-To: <20171115071345.24331-2-bjorn.andersson@linaro.org>
On Tue, Nov 14, 2017 at 11:13:43PM -0800, Bjorn Andersson wrote:
> Some LED controllers have support for autonomously controlling
> brightness over time, according to some preprogrammed pattern or
> function.
>
> This adds a new optional operator that LED class drivers can implement
> if they support such functionality as well as a new device attribute to
> configure the pattern for a given LED.
>
> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
> ---
>
> Changes since v2:
> - None
>
> Changes since v1:
> - New patch, based on discussions following v1
>
> Documentation/ABI/testing/sysfs-class-led | 20 ++++
> drivers/leds/led-class.c | 150 ++++++++++++++++++++++++++++++
> include/linux/leds.h | 21 +++++
> 3 files changed, 191 insertions(+)
>
> diff --git a/Documentation/ABI/testing/sysfs-class-led b/Documentation/ABI/testing/sysfs-class-led
> index 5f67f7ab277b..74a7f5b1f89b 100644
> --- a/Documentation/ABI/testing/sysfs-class-led
> +++ b/Documentation/ABI/testing/sysfs-class-led
> @@ -61,3 +61,23 @@ Description:
> gpio and backlight triggers. In case of the backlight trigger,
> it is useful when driving a LED which is intended to indicate
> a device in a standby like state.
> +
> +What: /sys/class/leds/<led>/pattern
> +Date: July 2017
That was many months ago :)
> +KernelVersion: 4.14
And that kernel version is long since released :)
thanks,
greg k-h
next prev parent reply other threads:[~2017-11-15 7:36 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-15 7:13 [PATCH v3 0/3] Qualcomm Light Pulse Generator Bjorn Andersson
2017-11-15 7:13 ` [PATCH v3 1/3] leds: core: Introduce generic pattern interface Bjorn Andersson
2017-11-15 7:36 ` Greg KH [this message]
2017-11-20 23:20 ` Pavel Machek
2017-11-21 0:21 ` Bjorn Andersson
2017-12-08 14:27 ` Pavel Machek
2017-11-21 20:33 ` Jacek Anaszewski
2017-11-15 7:13 ` [PATCH v3 2/3] leds: Add driver for Qualcomm LPG Bjorn Andersson
2017-11-19 21:36 ` Jacek Anaszewski
2017-11-20 21:10 ` Bjorn Andersson
2017-11-20 23:22 ` Pavel Machek
2017-11-21 22:01 ` Jacek Anaszewski
2017-11-21 22:00 ` Jacek Anaszewski
2017-11-15 7:13 ` [PATCH v3 3/3] DT: leds: Add Qualcomm Light Pulse Generator binding Bjorn Andersson
2017-11-16 5:09 ` Rob Herring
2017-11-19 21:35 ` Jacek Anaszewski
2017-11-20 19:58 ` Bjorn Andersson
2017-11-20 20:35 ` Jacek Anaszewski
2017-11-20 21:45 ` Bjorn Andersson
2017-11-22 20:42 ` Jacek Anaszewski
2017-12-18 20:49 ` Bjorn Andersson
2017-12-19 21:30 ` Jacek Anaszewski
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