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path: root/drivers/leds/leds-max8997.c
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2020-12-30leds: Use DEVICE_ATTR_{RW, RO, WO} macrosDwaipayan Ray1-6/+6
Instead of open coding DEVICE_ATTR() defines, use the DEVICE_ATTR_RW(), DEVICE_ATTR_WO(), and DEVICE_ATTR_RO() macros. This required a few functions to be renamed, but the functionality itself is unchanged. Reviewed-by: Lukas Bulwahn <lukas.bulwahn@gmail.com> Signed-off-by: Dwaipayan Ray <dwaipayanray1@gmail.com> Signed-off-by: Pavel Machek <pavel@ucw.cz>
2019-06-19treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500Thomas Gleixner1-5/+1
Based on 2 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation # extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 4122 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-03leds: max8997: use mode when calling max8997_led_set_modeColin Ian King1-1/+1
Variable mode is assigned to pdata->led_pdata->mode[led->id] and yet is not being used when calling function max8997_led_set_mode. Fix this by using mode when calling max8997_led_set_mode. Cleans up clang warning: warning: variable 'mode' set but not used [-Wunused-but-set-variable] Fixes: 8584cb82f151 ("leds: Add suuport for MAX8997-LED driver") Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
2016-03-14leds: max8997: Use devm_led_classdev_registerAmitoj Kaur Chawla1-13/+1
Switch to resource-managed function devm_led_classdev_register instead of led_classdev_register and remove unneeded led_classdev_unregister. Also, remove platform_set_drvdata in probe function and the remove function, max8997_led_remove as it is now has nothing to do. The Coccinelle semantic patch used to make this change is as follows: //<smpl> @platform@ identifier p, probefn, removefn; @@ struct platform_driver p = { .probe = probefn, .remove = removefn, }; @prb@ identifier platform.probefn, pdev; expression e; @@ probefn(struct platform_device *pdev, ...) { ... e = - led_classdev_register + devm_led_classdev_register (...); ... ?- led_classdev_unregister(...); ... } @remove depends on prb@ identifier platform.removefn; @@ removefn(...) { ... ?- led_classdev_unregister(...); ... } //</smpl> Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com> Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
2016-01-04leds: max8997: Remove unneeded workqueue includeAndrew Lunn1-1/+0
Work queues are not used in this driver, so remove the include. Signed-off-by: Andrew Lunn <andrew@lunn.ch>
2014-10-20leds: drop owner assignment from platform_driversWolfram Sang1-1/+0
A platform_driver does not need to set an owner, it will be populated by the driver core. Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2014-06-25leds: max8997: fix attribute-creation raceJohan Hovold1-9/+7
Use the attribute groups of the led-class to create the mode attribute during probe in order to avoid racing with userspace. Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Bryan Wu <cooloney@gmail.com>
2012-11-28leds: remove use of __devexitBill Pemberton1-1/+1
CONFIG_HOTPLUG is going away as an option so __devexit is no longer needed. Signed-off-by: Bill Pemberton <wfp5p@virginia.edu> Cc: Richard Purdie <rpurdie@rpsys.net> Cc: Jan-Simon Moeller <jansimon.moeller@gmx.de> Acked-by: Bryan Wu <cooloney@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-11-28leds: remove use of __devinitBill Pemberton1-1/+1
CONFIG_HOTPLUG is going away as an option so __devinit is no longer needed. Signed-off-by: Bill Pemberton <wfp5p@virginia.edu> Cc: Richard Purdie <rpurdie@rpsys.net> Cc: Jan-Simon Moeller <jansimon.moeller@gmx.de> Acked-by: Bryan Wu <cooloney@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-11-28leds: remove use of __devexit_pBill Pemberton1-1/+1
CONFIG_HOTPLUG is going away as an option so __devexit_p is no longer needed. Signed-off-by: Bill Pemberton <wfp5p@virginia.edu> Cc: Richard Purdie <rpurdie@rpsys.net> Cc: Jan-Simon Moeller <jansimon.moeller@gmx.de> Acked-by: Bryan Wu <cooloney@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-24leds: max8997: Simplify max8997_led_set_mode implementationAxel Lin1-47/+13
It is not necessary to call max8997_update_reg() twice just for updating MAX8997_REG_LEN_CNTL register. With proper val and mask arguments to max8997_update_reg() call, this can be done in one max8997_update_reg() call. And then we can remove max8997_led_clear_mode() function. Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
2012-07-24leds: Use devm_kzalloc in leds-max8997.c fileSachin Kamat1-15/+6
devm_kzalloc() makes code cleanup simpler. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
2012-07-24leds: Use module_platform_driver() in leds-max8997.c fileSachin Kamat1-11/+1
module_platform_driver() makes the code simpler. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
2012-01-09leds: Add suuport for MAX8997-LED driverDonggeun Kim1-0/+372
This patch enables LED controller in MAX8997 PMIC. Signed-off-by: Donggeun Kim <dg77.kim@samsung.com> Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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