From: Aishwarya Pant <aishpant@gmail.com> To: Lee Jones <lee.jones@linaro.org>, Daniel Thompson <daniel.thompson@linaro.org>, Jingoo Han <jingoohan1@gmail.com>, Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>, dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, Jonathan Corbet <corbet@lwn.net>, Greg KH <gregkh@linuxfoundation.org>, Michael Hennerich <michael.hennerich@analog.com> Cc: Julia Lawall <julia.lawall@lip6.fr> Subject: [PATCH 5/5] backlight: adp8860: document sysfs attributes Date: Fri, 26 Jan 2018 20:25:31 +0530 [thread overview] Message-ID: <c7c9c2b13698320b590b52b7bf5796a87df49bd5.1516978005.git.aishpant@gmail.com> (raw) In-Reply-To: <cover.1516978005.git.aishpant@gmail.com> Add documentation for sysfs interface of adp8860 series backlight devices by reading through code and git commits. Signed-off-by: Aishwarya Pant <aishpant@gmail.com> --- .../ABI/testing/sysfs-class-backlight-adp8860 | 54 ++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-class-backlight-adp8860 diff --git a/Documentation/ABI/testing/sysfs-class-backlight-adp8860 b/Documentation/ABI/testing/sysfs-class-backlight-adp8860 new file mode 100644 index 000000000000..54d61c788b1b --- /dev/null +++ b/Documentation/ABI/testing/sysfs-class-backlight-adp8860 @@ -0,0 +1,54 @@ +sysfs interface for analog devices adp8860 backlight driver +----------------------------------------------------------- + +The backlight brightness control operates at three different levels for the +adp8860, adp8861 and adp8863 devices: daylight (level 1), office (level 2) and +dark (level 3). By default the brightness operates at the daylight brightness +level. + +What: /sys/class/backlight/<backlight>/ambient_light_level +Date: Apr, 2010 +KernelVersion: v2.6.35 +Contact: Michael Hennerich <michael.hennerich@analog.com> +Description: + (RO) 13-bit conversion value for the first light sensor—high + byte (Bit 12 to Bit 8). The value is updated every 80 ms (when + the light sensor is enabled). + + +What: /sys/class/backlight/<backlight>/ambient_light_zone +Date: Apr, 2010 +KernelVersion: v2.6.35 +Contact: Michael Hennerich <michael.hennerich@analog.com> +Description: + (RW) Read or write the specific level at which the backlight + operates. Value "0" enables automatic ambient light sensing, and + values "1", "2" or "3" set the control to daylight, office or + dark respectively. + + +What: /sys/class/backlight/<backlight>/l1_daylight_max +What: /sys/class/backlight/<backlight>/l2_office_max +What: /sys/class/backlight/<backlight>/l3_dark_max +Date: Apr, 2010 +KernelVersion: v2.6.35 +Contact: Michael Hennerich <michael.hennerich@analog.com> +Description: + (RW) Maximum current setting for the backlight when brightness + is at one of the three levels (daylight, office or dark). This + is an input code between 0 and 127, which is transformed to a + value between 0 mA and 30 mA using linear or non-linear + algorithms. + + +What: /sys/class/backlight/<backlight>/l1_daylight_dim +What: /sys/class/backlight/<backlight>/l2_office_dim +What: /sys/class/backlight/<backlight>/l3_dark_dim +Date: Apr, 2010 +KernelVersion: v2.6.35 +Contact: Michael Hennerich <michael.hennerich@analog.com> +Description: + (RW) Dim current setting for the backlight when brightness is at + one of the three levels (daylight, office or dark). This is an + input code between 0 and 127, which is transformed to a value + between 0 mA and 30 mA using linear or non-linear algorithms. -- 2.16.1
WARNING: multiple messages have this Message-ID (diff)
From: Aishwarya Pant <aishpant@gmail.com> To: Lee Jones <lee.jones@linaro.org>, Daniel Thompson <daniel.thompson@linaro.org>, Jingoo Han <jingoohan1@gmail.com>, Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>, dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, Jonathan Corbet <corbet@lwn.net>, Greg KH <gregkh@linuxfoundation.org>, Michael Hennerich <michael.hennerich@analog.com> Cc: Julia Lawall <julia.lawall@lip6.fr> Subject: [PATCH 5/5] backlight: adp8860: document sysfs attributes Date: Fri, 26 Jan 2018 14:55:42 +0000 [thread overview] Message-ID: <c7c9c2b13698320b590b52b7bf5796a87df49bd5.1516978005.git.aishpant@gmail.com> (raw) In-Reply-To: <cover.1516978005.git.aishpant@gmail.com> Add documentation for sysfs interface of adp8860 series backlight devices by reading through code and git commits. Signed-off-by: Aishwarya Pant <aishpant@gmail.com> --- .../ABI/testing/sysfs-class-backlight-adp8860 | 54 ++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-class-backlight-adp8860 diff --git a/Documentation/ABI/testing/sysfs-class-backlight-adp8860 b/Documentation/ABI/testing/sysfs-class-backlight-adp8860 new file mode 100644 index 000000000000..54d61c788b1b --- /dev/null +++ b/Documentation/ABI/testing/sysfs-class-backlight-adp8860 @@ -0,0 +1,54 @@ +sysfs interface for analog devices adp8860 backlight driver +----------------------------------------------------------- + +The backlight brightness control operates at three different levels for the +adp8860, adp8861 and adp8863 devices: daylight (level 1), office (level 2) and +dark (level 3). By default the brightness operates at the daylight brightness +level. + +What: /sys/class/backlight/<backlight>/ambient_light_level +Date: Apr, 2010 +KernelVersion: v2.6.35 +Contact: Michael Hennerich <michael.hennerich@analog.com> +Description: + (RO) 13-bit conversion value for the first light sensor—high + byte (Bit 12 to Bit 8). The value is updated every 80 ms (when + the light sensor is enabled). + + +What: /sys/class/backlight/<backlight>/ambient_light_zone +Date: Apr, 2010 +KernelVersion: v2.6.35 +Contact: Michael Hennerich <michael.hennerich@analog.com> +Description: + (RW) Read or write the specific level at which the backlight + operates. Value "0" enables automatic ambient light sensing, and + values "1", "2" or "3" set the control to daylight, office or + dark respectively. + + +What: /sys/class/backlight/<backlight>/l1_daylight_max +What: /sys/class/backlight/<backlight>/l2_office_max +What: /sys/class/backlight/<backlight>/l3_dark_max +Date: Apr, 2010 +KernelVersion: v2.6.35 +Contact: Michael Hennerich <michael.hennerich@analog.com> +Description: + (RW) Maximum current setting for the backlight when brightness + is at one of the three levels (daylight, office or dark). This + is an input code between 0 and 127, which is transformed to a + value between 0 mA and 30 mA using linear or non-linear + algorithms. + + +What: /sys/class/backlight/<backlight>/l1_daylight_dim +What: /sys/class/backlight/<backlight>/l2_office_dim +What: /sys/class/backlight/<backlight>/l3_dark_dim +Date: Apr, 2010 +KernelVersion: v2.6.35 +Contact: Michael Hennerich <michael.hennerich@analog.com> +Description: + (RW) Dim current setting for the backlight when brightness is at + one of the three levels (daylight, office or dark). This is an + input code between 0 and 127, which is transformed to a value + between 0 mA and 30 mA using linear or non-linear algorithms. -- 2.16.1
next prev parent reply other threads:[~2018-01-26 14:55 UTC|newest] Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-01-26 14:48 [PATCH 0/5] backlight: document sysfs interfaces Aishwarya Pant 2018-01-26 14:48 ` Aishwarya Pant 2018-01-26 14:50 ` [PATCH 1/5] backlight: lp8788: document sysfs attributes Aishwarya Pant 2018-01-26 14:50 ` Aishwarya Pant 2018-01-31 11:07 ` Daniel Thompson 2018-01-31 11:51 ` Jani Nikula 2018-01-31 11:51 ` Jani Nikula 2018-01-31 11:51 ` Jani Nikula 2018-02-01 11:36 ` Daniel Thompson 2018-02-01 11:36 ` Daniel Thompson 2018-02-05 7:25 ` Aishwarya Pant 2018-02-05 7:37 ` Aishwarya Pant 2018-02-05 14:39 ` Daniel Thompson 2018-02-05 14:39 ` Daniel Thompson 2018-01-26 14:53 ` [PATCH 2/5] backlight: lp855x: " Aishwarya Pant 2018-01-26 14:53 ` Aishwarya Pant 2018-02-01 11:06 ` Daniel Thompson 2018-02-01 11:06 ` Daniel Thompson 2018-02-01 11:06 ` Daniel Thompson 2018-02-01 15:46 ` Aishwarya Pant 2018-02-01 15:58 ` Aishwarya Pant 2018-01-26 14:53 ` [PATCH 3/5] backlight: lm3639: " Aishwarya Pant 2018-01-26 14:54 ` Aishwarya Pant 2018-01-31 11:34 ` Daniel Thompson 2018-01-31 11:34 ` Daniel Thompson 2018-01-31 11:34 ` Daniel Thompson 2018-01-26 14:54 ` [PATCH 4/5] backlight: adp5520: " Aishwarya Pant 2018-01-26 14:55 ` Aishwarya Pant 2018-02-01 16:28 ` Michael Hennerich 2018-02-01 16:28 ` Michael Hennerich 2018-02-01 16:28 ` Michael Hennerich 2018-01-26 14:55 ` Aishwarya Pant [this message] 2018-01-26 14:55 ` [PATCH 5/5] backlight: adp8860: " Aishwarya Pant 2018-02-01 16:28 ` Michael Hennerich 2018-02-01 16:28 ` Michael Hennerich 2018-02-01 16:28 ` Michael Hennerich
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