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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>
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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>
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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>
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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>
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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>
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Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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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