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path: root/drivers/video/backlight (follow)
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* backlight: lm3630a: Fix return code of .update_status() callbackUwe Kleine-König2021-07-20
| | | | | | | | | | | | | | | | [ Upstream commit b9481a667a90ec739995e85f91f3672ca44d6ffa ] According to <linux/backlight.h> .update_status() is supposed to return 0 on success and a negative error code otherwise. Adapt lm3630a_bank_a_update_status() and lm3630a_bank_b_update_status() to actually do it. While touching that also add the error code to the failure message. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
* backlight: sky81452-backlight: Fix refcount imbalance on errordinghao.liu@zju.edu.cn2020-10-29
| | | | | | | | | | | | | | [ Upstream commit b7a4f80bc316a56d6ec8750e93e66f42431ed960 ] When of_property_read_u32_array() returns an error code, a pairing refcount decrement is needed to keep np's refcount balanced. Fixes: f705806c9f355 ("backlight: Add support Skyworks SKY81452 backlight driver") Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn> Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
* backlight: lm3630a: Return 0 on success in update_status functionsBrian Masney2020-01-29
| | | | | | | | | | | | | | | | | [ Upstream commit d3f48ec0954c6aac736ab21c34a35d7554409112 ] lm3630a_bank_a_update_status() and lm3630a_bank_b_update_status() both return the brightness value if the brightness was successfully updated. Writing to these attributes via sysfs would cause a 'Bad address' error to be returned. These functions should return 0 on success, so let's change it to correct that error. Fixes: 28e64a68a2ef ("backlight: lm3630: apply chip revision") Signed-off-by: Brian Masney <masneyb@onstation.org> Acked-by: Pavel Machek <pavel@ucw.cz> Acked-by: Daniel Thompson <daniel.thompson@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
* backlight: lm3639: Unconditionally call led_classdev_unregisterNathan Chancellor2019-11-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | [ Upstream commit 7cea645ae9c5a54aa7904fddb2cdf250acd63a6c ] Clang warns that the address of a pointer will always evaluated as true in a boolean context. drivers/video/backlight/lm3639_bl.c:403:14: warning: address of 'pchip->cdev_torch' will always evaluate to 'true' [-Wpointer-bool-conversion] if (&pchip->cdev_torch) ~~ ~~~~~~~^~~~~~~~~~ drivers/video/backlight/lm3639_bl.c:405:14: warning: address of 'pchip->cdev_flash' will always evaluate to 'true' [-Wpointer-bool-conversion] if (&pchip->cdev_flash) ~~ ~~~~~~~^~~~~~~~~~ 2 warnings generated. These statements have been present since 2012, introduced by commit 0f59858d5119 ("backlight: add new lm3639 backlight driver"). Given that they have been called unconditionally since then presumably without any issues, removing the always true if statements to fix the warnings without any real world changes. Link: https://github.com/ClangBuiltLinux/linux/issues/119 Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
* backlight: tps65217_bl: Fix Device Tree node lookupJohan Hovold2018-07-03
| | | | | | | | | | | | | | | | | | | commit 2b12dfa124dbadf391cb9a616aaa6b056823bf75 upstream. 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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* backlight: max8925_bl: Fix Device Tree node lookupJohan Hovold2018-07-03
| | | | | | | | | | | | | | | | | | | commit d1cc0ec3da23e44c23712579515494b374f111c9 upstream. 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. To make things worse, the parent mfd node was also prematurely freed, while the child backlight node was leaked. Cc: stable <stable@vger.kernel.org> # 3.9 Fixes: 47ec340cb8e2 ("mfd: max8925: Support dt for backlight") 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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* backlight: as3711_bl: Fix Device Tree node lookupJohan Hovold2018-07-03
| | | | | | | | | | | | | | | | | | commit 4a9c8bb2aca5b5a2a15744333729745dd9903562 upstream. 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. To make things worse, the parent mfd node was also prematurely freed. Cc: stable <stable@vger.kernel.org> # 3.10 Fixes: 59eb2b5e57ea ("drivers/video/backlight/as3711_bl.c: add OF support") 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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* backlight: pwm_bl: Fix overflow conditionDerek Basehore2017-12-25
| | | | | | | | | | | | | | | [ Upstream commit 5d0c49acebc9488e37db95f1d4a55644e545ffe7 ] This fixes an overflow condition that can happen with high max brightness and period values in compute_duty_cycle. This fixes it by using a 64 bit variable for computing the duty cycle. Signed-off-by: Derek Basehore <dbasehore@chromium.org> Acked-by: Thierry Reding <thierry.reding@gmail.com> Reviewed-by: Brian Norris <briannorris@chromium.org> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Sasha Levin <alexander.levin@verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* backlight: adp5520: Fix error handling in adp5520_bl_probe()Alexey Khoroshilov2017-11-21
| | | | | | | | | | | | | | | | [ Upstream commit 0eb3fba8c68275f0122f65f7316efaaf86448016 ] If adp5520_bl_setup() fails, sysfs group left unremoved. By the way, fix overcomplicated assignement of error code. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru> Acked-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Sasha Levin <alexander.levin@verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* backlight: lcd: Fix race condition during registerUwe Kleine-König2017-11-21
| | | | | | | | | | | | | | [ Upstream commit cc21942bce652d1a92dae85b785378256e1df1f7 ] Once device_register is called for a device its attributes might be accessed. As the callbacks of a lcd device's attributes make use of the lcd_ops, the respective member must be setup before calling device_register. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Sasha Levin <alexander.levin@verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* Merge tag 'backlight-for-linus-4.4' of ↵Linus Torvalds2015-11-06
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight Pull backlight updates from Lee Jones: "New Device Support - None New Functionality: - None Core Frameworks: - Reject legacy PWM request for device defined in DT Fix-ups: - Remove unnecessary MODULE_ALIAS(); adp8860_bl, adp8870_bl - Simplify code: pm8941-wled - Supply default-brightness logic; pm8941-wled Bug Fixes: - Clean up OF node; 88pm860x_bl - Ensure struct is zeroed; lp855x_bl" * tag 'backlight-for-linus-4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight: backlight: pm8941-wled: Add default-brightness property backlight: pm8941-wled: Fix ptr_ret.cocci warnings backlight: pwm: Reject legacy PWM request for device defined in DT backlight: 88pm860x_bl: Add missing of_node_put backlight: adp8870: Remove unnecessary MODULE_ALIAS() backlight: adp8860: Remove unnecessary MODULE_ALIAS() backlight: lp855x: Make sure props struct is zeroed
| * backlight: pm8941-wled: Add default-brightness propertyBjorn Andersson2015-10-30
| | | | | | | | | | | | | | | | | | | | Default the brightness to 2048 and add possibility to override this in device tree. Suggested-by: Rob Clark <robdclark@gmail.com> Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * backlight: pm8941-wled: Fix ptr_ret.cocci warningskbuild test robot2015-10-27
| | | | | | | | | | | | | | | | | | | | | | | | drivers/video/backlight/pm8941-wled.c:404:1-3: WARNING: PTR_ERR_OR_ZERO can be used Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR Generated by: scripts/coccinelle/api/ptr_ret.cocci Acked-by: Bjorn Andersson <bjorn.andersson@sonymobile.com> Signed-off-by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * backlight: pwm: Reject legacy PWM request for device defined in DTVladimir Zapolskiy2015-10-15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Platform PWM backlight data provided by board's device tree should be complete enough to successfully request a pwm device using pwm_get() API. This change fixes a bug, when an arbitrary (first found) PWM is connected to a "pwm-backlight" compatible device, when explicit PWM device reference is not given. Documentation/devicetree/bindings/video/backlight/pwm-backlight.txt already describes "pwms" as a required property, instead of blind selection of a potentially wrong PWM reject legacy PWM device registration request, leave legacy API only for non-dt cases. Based on initial implementation done by Dmitry Eremin-Solenikov. Reported-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Signed-off-by: Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com> Acked-by: Thierry Reding <thierry.reding@gmail.com> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Tested-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * backlight: 88pm860x_bl: Add missing of_node_putJulia Lawall2015-10-15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | for_each_child_of_node performs an of_node_get on each iteration, so a break out of the loop requires an of_node_put. The semantic patch that fixes this problem is as follows (http://coccinelle.lip6.fr): // <smpl> @@ expression root,e; local idexpression child; iterator name for_each_child_of_node; @@ for_each_child_of_node(root, child) { ... when != of_node_put(child) when != e = child + of_node_put(child); ? break; ... } ... when != child // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * backlight: adp8870: Remove unnecessary MODULE_ALIAS()Javier Martinez Canillas2015-10-05
| | | | | | | | | | | | | | | | The driver has a I2C device id table that is used to create the modaliases and also "adp8870-backlight" is not a supported I2C id, so it's never used. Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * backlight: adp8860: Remove unnecessary MODULE_ALIAS()Javier Martinez Canillas2015-10-05
| | | | | | | | | | | | | | | | The driver has a I2C device id table that is used to create the modaliases and also "adp8860-backlight" is not a supported I2C id, so it's never used. Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * backlight: lp855x: Make sure props struct is zeroedWerner Johansson2015-10-05
| | | | | | | | | | | | | | | | | | | | The driver occasionally got stuck in suspend mode or other strange states as those parts of the props struct were never initialized. Signed-off-by: Werner Johansson <werner.johansson@sonymobile.com> Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com> Acked-by: Milo Kim <milo.kim@ti.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
* | spi: Drop owner assignment from spi_driversAndrew F. Davis2015-10-28
|/ | | | | | | | | An spi_driver does not need to set an owner, it will be populated by the driver core. Signed-off-by: Andrew F. Davis <afd@ti.com> Acked-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Mark Brown <broonie@kernel.org>
* backlight: tosa: Export I2C module alias informationJavier Martinez Canillas2015-08-25
| | | | | | | | | | | | | | The I2C core always reports the MODALIAS uevent as "i2c:<modalias>" regardless of the mechanism that was used to register the device (i.e: OF or board code) and the table that is used later to match the driver with the device (i.e: I2C id table or OF match table). So drivers needs to export the I2C id table and this be built into the module or udev won't have the necessary information to autoload the needed driver module when the device is added. Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
* backlight: lp8788_bl: Delete a check before backlight_device_unregister()Markus Elfring2015-08-25
| | | | | | | | | | | | The backlight_device_unregister() function tests whether its argument is NULL and then returns immediately. Thus the test around the call is not needed. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Acked-by: Jingoo Han <jingoohan1@gmail.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
* backlight: sky81452: Remove unneeded use of IS_ERR_VALUE() macroAxel Lin2015-08-25
| | | | | | | | IS_ERR_VALUE() makes sense only *if* there could be valid values in negative error range. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
* backlight: pm8941-wled: Move PM8941 WLED driver to backlightBjorn Andersson2015-08-25
| | | | | | | | | | | | The Qualcomm PM8941 WLED block is used for backlight and should therefor be in the backlight framework and not in the LED framework. This moves the driver and adapts to the backlight api instead. Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com> Tested-by: Rob Clark <robdclark@gmail.com> Acked-by: Jacek Anaszewski <j.anaszewski@samsung.com> Acked-by: Jingoo Han <jingoohan1@gmail.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
* backlight: lp855x: Use private data for regulator controlMilo Kim2015-08-25
| | | | | | | | | | | | | | | | | LP855x backlight device can be enabled by external VDD input. The 'supply' data is used for this purpose. It's kind of private data which runs internally, so there is no reason to expose to the platform data. And devm_regulator_get() is moved from _parse_dt() to _probe(). Regulator consumer(lp855x) can control regulator not only from DT but also from platform data configuration in a source file such like board-*.c. Signed-off-by: Milo Kim <milo.kim@ti.com> Acked-by: Sean Paul <seanpaul@chromium.org> Acked-by: Jingoo Han <jingoohan1@gmail.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
* Merge tag 'backlight-for-linus-4.2' of ↵Linus Torvalds2015-06-24
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight Pull backlight updates from Lee Jones: "Changes to existing drivers: - supply MODULE_DEVICE_TABLE() to ensure probing - constify struct; da9052_bl - enable compile test; lcd_l4f00242t03, lcd_lms283fg05, backlight_gpio - suspend/resume bugfix; lp855x_bl - devm_gpiod_get_optional() API fixup; pwm_bl - error handling fixup; backlight" * tag 'backlight-for-linus-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight: backlight: Change the return type of backlight_update_status() to int backlight: pwm_bl: Simplify usage of devm_gpiod_get_optional backlight: lp855x: Don't clear level on suspend/blank backlight: Allow compile test of GPIO consumers if !GPIOLIB video: backlight: da9052: Constify platform_device_id gpio-backlight: Discover driver during boot time
| * backlight: pwm_bl: Simplify usage of devm_gpiod_get_optionalAxel Lin2015-06-23
| | | | | | | | | | | | | | | | | | | | Since 39b2bbe3d715 (gpio: add flags argument to gpiod_get*() functions), the gpiod_get* functions take an additional parameter that allows to specify direction and initial value for output. Simplify the usage of devm_gpiod_get_optional accordingly. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * backlight: lp855x: Don't clear level on suspend/blankSean Paul2015-06-23
| | | | | | | | | | | | | | | | | | | | | | | | | | Don't clear the backlight level when we're going into suspend or blanking. Instead, just temporarily set the level to 0 so we retain the value when we resume. Reported-by: Benson Leung <bleung@chromium.org> Signed-off-by: Sean Paul <seanpaul@chromium.org> Tested-by: Stephen Barber <smbarber@chromium.org> Reviewed-by: Benson Leung <bleung@chromium.org> Acked-by: Milo Kim <milo.kim@ti.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * backlight: Allow compile test of GPIO consumers if !GPIOLIBGeert Uytterhoeven2015-06-23
| | | | | | | | | | | | | | | | | | | | | | | | | | The GPIO subsystem provides dummy GPIO consumer functions if GPIOLIB is not enabled. Hence drivers that depend on GPIOLIB, but use GPIO consumer functionality only, can still be compiled if GPIOLIB is not enabled. Relax the dependency on GPIOLIB if COMPILE_TEST is enabled, where appropriate. Cc: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * video: backlight: da9052: Constify platform_device_idKrzysztof Kozlowski2015-06-23
| | | | | | | | | | | | | | | | The platform_device_id is not modified by the driver and core uses it as const. Signed-off-by: Krzysztof Kozlowski <k.kozlowski.k@gmail.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * gpio-backlight: Discover driver during boot timeArun Bharadwaj2015-06-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The gpio-backlight driver seems to be missing the MODULE_DEVICE_TABLE line which is preventing it from being modprobed during boot time even if the gpio-backlight device exists. This seems to be a bug and this patch attempts to fix that. Signed-off-by: Arun Bharadwaj <arun@gumstix.com> Signed-off-by: Ash Charles <ashcharles@gmail.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
* | backlight: pwm: Handle EPROBE_DEFER while requesting the PWMNicolas Ferre2015-05-26
|/ | | | | | | | | | When trying to request the PWM device with devm_pwm_get(), the EPROBE_DEFER flag is not handled properly. It can lead to the PWM not being found. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Acked-by: Thierry Reding <thierry.reding@gmail.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
* Merge tag 'backlight-for-linus-4.1' of ↵Linus Torvalds2015-04-14
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight Pull backlight updates from Lee Jones: "Changes to existing drivers: - Use of_get_child_by_name() instead of refcount; 88pm860x_bl - Terminate array with NULL element; da9052_bl" * tag 'backlight-for-linus-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight: backlight: da9052_bl: Terminate da9052_wled_ids array with empty element backlight: 88pm860x_bl: Use of_get_child_by_name() instead of refcount hack
| * backlight: da9052_bl: Terminate da9052_wled_ids array with empty elementAndrey Ryabinin2015-04-09
| | | | | | | | | | | | | | | | Array of platform_device_id elements should be terminated with empty element. Signed-off-by: Andrey Ryabinin <a.ryabinin@samsung.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * backlight: 88pm860x_bl: Use of_get_child_by_name() instead of refcount hackGeert Uytterhoeven2015-04-09
| | | | | | | | | | | | | | | | | | | | of_find_node_by_name() calls of_node_put() on its "from" parameter. To counter this, pm860x_backlight_dt_init() calls of_node_get() first. Use of_get_child_by_name() instead to get rid of the refcount hack. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Lee Jones <lee.jones@linaro.org>
* | backlight: Add support Skyworks SKY81452 backlight driverGyungoh Yoo2015-03-12
|/ | | | | | | Signed-off-by: Gyungoh Yoo <jack.yoo@skyworksinc.com> Acked-by: Jingoo Han <jg1.han@samsung.com> Acked-by: Bryan Wu <cooloney@gmail.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
* Merge tag 'backlight-for-linus-3.19' of ↵Linus Torvalds2014-12-11
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight Pull backlight updates from Lee Jones: - Clean-up leaky resources; pwm_bl - Simplify Device Tree initialisation; lp855x_bl - Add Regulator support; lp855x - Remove Bryan from the Maintainer list -- new baby, no time :) * tag 'backlight-for-linus-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight: MAINTAINERS: Remove my name from Backlight subsystem backlight: lp855x: Add supply regulator to lp855x backlight: lp855x: Refactor DT parsing code backlight: pwm: Clean-up pwm requested using legacy API
| * backlight: lp855x: Add supply regulator to lp855xSean Paul2014-12-09
| | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds a supply regulator to the lp855x platform data to facilitate powering on/off the 3V rail attached to the controller. Cc: Stéphane Marchesin <marcheu@chromium.org> Cc: Aaron Durbin <adurbin@chromium.org> Signed-off-by: Sean Paul <seanpaul@chromium.org> Acked-by: Milo Kim <milo.kim@ti.com> Acked-by: Bryan Wu <cooloney@gmail.com> Acked-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * backlight: lp855x: Refactor DT parsing codeSean Paul2014-12-09
| | | | | | | | | | | | | | | | | | | | | | | | | | This patch refactors the dt parsing code to avoid setting platform_data, instead just setting lp->pdata directly. This facilitates easier probe deferral since the current scheme would require us to clear out dev->platform_data before deferring. Cc: Stéphane Marchesin <marcheu@chromium.org> Signed-off-by: Sean Paul <seanpaul@chromium.org> Acked-by: Milo Kim <milo.kim@ti.com> Acked-by: Bryan Wu <cooloney@gmail.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * backlight: pwm: Clean-up pwm requested using legacy APIVladimir Zapolskiy2014-11-10
| | | | | | | | | | | | | | | | | | | | If PWM device is requested by means of legacy API pwm_request(), its resources are not freed on module unbind, which may cause an oops on access, e.g. by reading /sys/kernel/debug/pwm. Reported-by: Dmitry Eremin-Solenikov <dmitry_eremin@mentor.com> Signed-off-by: Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
* | ARM: at91/Kconfig: remove unused config optionsNicolas Ferre2014-11-19
|/ | | | | | | When removing old board !DT support, several Kconfig options were deleted. Propagate this removal to drivers Kconfig files. Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
* Merge tag 'backlight-for-linus-3.18' of ↵Linus Torvalds2014-10-11
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight Pull backlight driver updates from Lee Jones: "Changes to existing drivers: - Checkpatch fixes - Removal of unused code in generic_bl - Removal of superfluous .owner attribute No new or removed drivers/supported devices" * tag 'backlight-for-linus-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight: backlight: omap1: add blank line after declarations backlight: jornada720: Remove 'else' after a return backlight: jornada720: Remove 'else' after a return backlight: wm831x_bl: Add blank line after declarations backlight: tdo24m: Add blank line after declarations backlight: s6e63m0: Remove 'else' after a return backlight: pcf50633: Add blank line after declarations backlight: lp855x: Add blank line after declarations backlight: lms501kf03: Remove 'else' after a return backlight: lm3639: Remove unnecessary return statements backlight: ld9040: Remove 'else' after a return backlight: ili922x: Remove 'else' after a return backlight: cr_bllcd: Add blank line after declarations backlight: corgi_lcd: Add blank line after declarations backlight: ams369fg06: Remove 'else' after a return backlight: adp8870: Add blank line after declarations backlight: adp8860: Add blank line after declarations backlight: adp5520: Add blank line after declarations backlight: generic_bl: Remove unused function backlight: Remove .owner field for drivers using module_platform_driver
| * backlight: omap1: add blank line after declarationsJingoo Han2014-08-29
| | | | | | | | | | | | | | | | | | Fixed the following checkpatch warning. WARNING: Missing a blank line after declarations Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * backlight: jornada720: Remove 'else' after a returnJingoo Han2014-08-29
| | | | | | | | | | | | | | | | | | | | Fixed the following checkpatch warning. WARNING: else is not generally useful after a break or return Suggested-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * backlight: jornada720: Remove 'else' after a returnJingoo Han2014-08-29
| | | | | | | | | | | | | | | | | | Fixed the following checkpatch warning. WARNING: else is not generally useful after a break or return Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * backlight: wm831x_bl: Add blank line after declarationsJingoo Han2014-08-29
| | | | | | | | | | | | | | | | | | Fixed the following checkpatch warning. WARNING: Missing a blank line after declarations Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * backlight: tdo24m: Add blank line after declarationsJingoo Han2014-08-29
| | | | | | | | | | | | | | | | | | Fixed the following checkpatch warning. WARNING: Missing a blank line after declarations Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * backlight: s6e63m0: Remove 'else' after a returnJingoo Han2014-08-29
| | | | | | | | | | | | | | | | | | Fixed the following checkpatch warning. WARNING: else is not generally useful after a break or return Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * backlight: pcf50633: Add blank line after declarationsJingoo Han2014-08-29
| | | | | | | | | | | | | | | | | | Fixed the following checkpatch warning. WARNING: Missing a blank line after declarations Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * backlight: lp855x: Add blank line after declarationsJingoo Han2014-08-29
| | | | | | | | | | | | | | | | | | Fixed the following checkpatch warning. WARNING: Missing a blank line after declarations Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * backlight: lms501kf03: Remove 'else' after a returnJingoo Han2014-08-29
| | | | | | | | | | | | | | | | | | Fixed the following checkpatch warning. WARNING: else is not generally useful after a break or return Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
generated by cgit v1.2.3 (git 2.25.1) at 2026-01-12 00:23:25 +0000