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2aec85b2 |
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07-Jun-2022 |
Thomas Gleixner <tglx@linutronix.de> |
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_30.RULE (part 2) Based on the normalized pattern: this program is free software you can redistribute it and/or modify it under the terms of the gnu general public license as published by the free software foundation version 2 this program is distributed as is without any warranty of any kind whether express or implied without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference. Reviewed-by: Allison Randal <allison@lohutok.net> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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51d53e5b |
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19-Jul-2020 |
Sam Ravnborg <sam@ravnborg.org> |
backlight: Use backlight_get_brightness() throughout Introduce the backlight_get_brightness() helper in all video/backlight/* drivers. This simplifies the code and align the implementation of the update_status() operation across the different backlight drivers. Some of the drivers gains a little extra functionality by the change as they now respect the fb_blank() ioctl. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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2b12dfa1 |
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20-Nov-2017 |
Johan Hovold <johan@kernel.org> |
backlight: tps65217_bl: Fix Device Tree node lookup Fix child-node lookup during probe, which ended up searching the whole device tree depth-first starting at the parent rather than just matching on its children. This would only cause trouble if the child node is missing while there is an unrelated node named "backlight" elsewhere in the tree. Cc: stable <stable@vger.kernel.org> # 3.7 Fixes: eebfdc17cc6c ("backlight: Add TPS65217 WLED driver") Signed-off-by: Johan Hovold <johan@kernel.org> Acked-by: Daniel Thompson <daniel.thompson@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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511cb174 |
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30-Aug-2017 |
Keerthy <j-keerthy@ti.com> |
mfd: tps65217: Introduce dependency on CONFIG_OF Currently the driver boots only via device tree hence add a dependency on CONFIG_OF. This leaves with a bunch of unused code so clean that up. This patch also makes use of probe_new function in place of the probe function so as to avoid passing i2c_device_id. Signed-off-by: Keerthy <j-keerthy@ti.com> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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5158cc2d |
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08-Oct-2017 |
Christos Gkekas <chris.gekas@gmail.com> |
backlight: tps65217_bl: Remove unnecessary default brightness check Variable val holds the default brightness and is unsigned, therefore checking whether it is less than zero is redundant. Signed-off-by: Christos Gkekas <chris.gekas@gmail.com> Acked-by: Daniel Thompson <daniel.thompson@linaro.org> Acked-by: Jingoo Han <jingoohan1@gmail.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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fcf13f0b |
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29-Nov-2015 |
Enric Balletbo i Serra <eballetbo@gmail.com> |
backlight: tps65217_bl: Add MODULE_DEVICE_TABLE The device table is required to load modules based on modaliases. Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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6728f2b1 |
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13-Aug-2014 |
Peter Griffin <peter.griffin@linaro.org> |
backlight: Remove .owner field for drivers using module_platform_driver This patch removes the superflous .owner field for drivers which use the module_platform_driver or platform_driver_register api, as this is overriden in __platform_driver_register. Signed-off-by: Peter Griffin <peter.griffin@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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a5d8e2e7 |
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29-May-2014 |
Andrzej Hajda <a.hajda@samsung.com> |
backlight: Remove trivial get_brightness implementations Since backlight core returns props.brightness in case get_brightness is not implemented trivial implementations are not needed anymore. Acked-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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3d8e4b40 |
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03-Apr-2014 |
Jingoo Han <jg1.han@samsung.com> |
backlight: tps65217_bl: remove unnecessary OOM messages The site-specific OOM messages are unnecessary, because they duplicate the MM subsystem generic OOM message. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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626d0908 |
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12-Nov-2013 |
Jingoo Han <jg1.han@samsung.com> |
backlight: tps65217_bl: use devm_backlight_device_register() Use devm_backlight_device_register() to make cleanup paths simpler, and remove unnecessary remove(). Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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c512794c |
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12-Nov-2013 |
Jingoo Han <jg1.han@samsung.com> |
backlight: use dev_get_platdata() Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. This is a cosmetic change to make the code simpler and enhance the readability. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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4d22f8c3 |
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29-Apr-2013 |
Matus Ujhelyi <ujhelyi.m@gmail.com> |
drivers/video/backlight/tps65217_bl.c add default brightness value option Signed-off-by: Matus Ujhelyi <matus.ujhelyi@streamunlimited.com> Cc: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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c6bed9de |
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30-Sep-2012 |
Axel Lin <axel.lin@ingics.com> |
backlight: tps65217_bl: Add missing platform_set_drvdata in tps65217_bl_probe Otherwise, we got NULL derefernce while calling backlight_device_unregister() in tps65217_bl_remove(). Also convert to use module_platform_driver. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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eebfdc17 |
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24-Sep-2012 |
Matthias Kaehlcke <matthias@kaehlcke.net> |
backlight: Add TPS65217 WLED driver The TPS65217 chip contains a boost converter and current sinks which can be used to drive LEDs for use as backlights. Expose this functionality via the backlight API. Tested on an AM335x based custom board with a single WLED string, using different values for ISEL and FDIM (though it would be hard to tell the difference except for the value in WLEDCTRL1). Both instantiation through the device tree and by passing platform data have been tested. Testing has been done with an Androidized 3.2 kernel from the rowboat project. Koen Kooi reported the driver to be working on a Beaglebone board with LCD3 cape Signed-off-by: Matthias Kaehlcke <matthias@kaehlcke.net> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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