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2014-09-22extcon: gpio: Fix code cleanupGeorge Cherian1-1/+3
This patch fixes following minor cleanup: - Order the include files in alphabetical order. - Fix description of state_off in extcon_gpio.h - Add a descrition for check_on_resume in extcon_gpio.h Signed-off-by: George Cherian <george.cherian@ti.com> [Modify the name/description of patch to keep standary codiyg style by Chanwoo Choi] Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
2014-09-22extcon: sm5502: Move sm5502.h header file to extcon directoryChanwoo Choi1-287/+0
This patch move sm5502.h header file from 'include/linux/extcon' to 'driver/extcon' because sm5502.h is used for driver/extcon/extcon-sm5502.c. and remove duplicate license description. Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
2014-07-23extcon: sm5502: Change internal hardware switch according to cable typeChanwoo Choi1-0/+23
This patch changes internal hardware DP_CON/DM_CON switch according to cable type. The SM5502 MUIC device can set hardware switch as following: - OPEN (not connected state) / USB / UART / AUDIO Also, this patch set VBUSIN switch according to cable type. Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
2014-07-23extcon: sm5502: Add support new SM5502 extcon device driverChanwoo Choi1-0/+264
This patch add new SM5502 MUIC(Micro-USB Interface Controller) device by using EXTCON subsystem. The extcon-sm5502 driver is capable of identifying the type of the external power source and attached accessory. An external power sources, such as Deticated Charger or a standard USB port, are able to charge the battery in the smart phone via the connector. Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
2014-03-19extcon: Move OF helper function to extcon core and change function nameChanwoo Choi1-31/+0
This patch move simply OF helper function to extcon core and change function name as following: - of_extcon_get_extcon_dev() -> extcon_get_edev_by_phandle() Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com> Acked-by: Felipe Balbi <balbi@ti.com>
2014-01-09extcon: gpio: Add power resume supportRongjun Ying1-0/+1
When system on the suspend state, Some SoC can't get gpio interrupt. After system resume, need send extcon uevent to userspace. Signed-off-by: Rongjun Ying <rongjun.ying@csr.com> Reviewed-by: Barry Song <Baohua.Song@csr.com> Acked-by: Myungjoo Ham <myungjoo.ham@samsung.com> Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
2013-09-27extcon: gpio: Add support for active-low presence to detect pinsGuenter Roeck1-0/+4
This patch add 'gpio_active_low' field to 'struct gpio_extcon_data' to check whether gpio active state is 1(high) or 0(low). Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
2013-09-27extcon: Fix indentation coding style to improve readabilityChanwoo Choi2-29/+29
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com> Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
2013-08-05extcon: Add an API to get extcon device from dt nodeKishon Vijay Abraham I1-0/+31
Added an API of_extcon_get_extcon_dev() to be used by drivers to get extcon device in the case of dt boot (this can be used instead of extcon_get_extcon_dev()). Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com> Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
2013-02-13extcon: gpio: Rename filename of extcon-gpio.c according to kernel naming styleChanwoo Choi1-0/+0
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com> Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-05extcon: adc_jack: adc-jack driver to support 3.5 pi or simliar devicesanish kumar1-0/+71
External connector devices that decides connection information based on ADC values may use adc-jack device driver. The user simply needs to provide a table of adc range and connection states. Then, extcon framework will automatically notify others. Changes in V1: added Lars-Peter Clausen suggested changes: Using macros to get rid of boiler plate code such as devm_kzalloc and module_platform_driver.Other changes suggested are related to coding guidelines. Changes in V2: Removed some unnecessary checks and changed the way we are un-regitering extcon and freeing the irq while removing. Changes in V3: Renamed the files to comply with extcon naming. Changes in V4: Added the cancel_work_sync during removing of driver. Changes in V5: Added the dependency of IIO in Kconfig. Changes in V6: Some nitpicks related to naming. Changes in this version: V6 patch version patch broke the build: ERROR: "extcon_cable_name" [drivers/extcon/extcon-adc-jack.ko] undefined! Fixed it in this version. Acked-by: Jonathan Cameron <jic23@kernel.org> Reviewed-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: anish kumar <anish.singh@samsung.com> Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-08-16Revert "Extcon: adc_jack: adc-jack driver to support 3.5 pi or simliar devices"Greg Kroah-Hartman1-73/+0
This reverts commit 980d7929816236476967218645c30acc022042eb as it breaks the build with the error: ERROR: "extcon_cable_name" [drivers/extcon/extcon-adc-jack.ko] undefined! Cc: Lars-Peter Clausen <lars@metafoo.de> Cc: anish kumar <anish.singh@samsung.com> Cc: MyungJoo Ham <myungjoo.ham@samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-08-16Extcon: adc_jack: adc-jack driver to support 3.5 pi or simliar devicesanish kumar1-0/+73
External connector devices that decides connection information based on ADC values may use adc-jack device driver. The user simply needs to provide a table of adc range and connection states. Then, extcon framework will automatically notify others. Changes in V1: added Lars-Peter Clausen suggested changes: Using macros to get rid of boiler plate code such as devm_kzalloc and module_platform_driver.Other changes suggested are related to coding guidelines. Changes in V2: Removed some unnecessary checks and changed the way we are un-regitering extcon and freeing the irq while removing. Changes in V3: Renamed the files to comply with extcon naming. Changes in V4: Added the cancel_work_sync during removing of driver. Changes in V5: Added the dependency of IIO in Kconfig. Changes in V6: Some nitpicks related to naming. Reviewed-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: anish kumar <anish.singh@samsung.com> Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-17extcon: spelling of detach in function docPeter Meerwald1-1/+1
Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-04-20Extcon: support generic GPIO extcon driverMyungJoo Ham1-0/+52
The generic GPIO extcon driver (an external connector device based on GPIO control) and imported from Android kernel. switch: switch class and GPIO drivers. (splitted) Author: Mike Lockwood <lockwood@android.com> switch: gpio: Don't call request_irq with interrupts disabled Author: Arve Hjønnevåg <arve@android.com> switch_gpio: Add missing #include <linux/interrupt.h> Author: Mike Lockwood <lockwood@android.com> Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com> -- Changed from v7: - Style updates mentioned by Stephen Boyd and Mark Brown Changed from v5: - Splitted at v5 from the main extcon patch. - Added debounce time for irq handlers. - Use request_any_context_irq instead of request_irq - User needs to specify irq flags for GPIO interrupts (was fixed to IRQF_TRIGGER_LOW before) - Use module_platform_driver(). Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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