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Update extcon for v4.3

Browse source 
This patchset include the function update of extcon drivers without critical
 update and fix minor issue of extcon drivers.
 
 Detailed description for patchset:
 1. Update the extcon drivers:
 - Update the logic of microphone detection for extcon-arizona driver
 - Support GPIO based USB ID detection of extcon-palmas driver
 
 2. Fix minor issues:
 - Clean code and remove the opitonal print_state() function pointer from extcon
   core driver
 - Clear interrupt bit state before requesting irq on extcon-max778433 driver
 - Fix signedness bugs of extcon core driver
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Merge tag 'extcon-next-for-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/extcon into char-misc-testing

Chanwoo writes:

Update extcon for v4.3

This patchset include the function update of extcon drivers without critical
update and fix minor issue of extcon drivers.

Detailed description for patchset:
1. Update the extcon drivers:
- Update the logic of microphone detection for extcon-arizona driver
- Support GPIO based USB ID detection of extcon-palmas driver

2. Fix minor issues:
- Clean code and remove the opitonal print_state() function pointer from extcon
  core driver
- Clear interrupt bit state before requesting irq on extcon-max778433 driver
- Fix signedness bugs of extcon core driver
This commit is contained in:
Greg Kroah-Hartman 2015-08-17 09:12:15 -07:00
commit 672cfeeb93
11 changed files with 255 additions and 77 deletions
Download patch file Download diff file Expand all files Collapse all files

7
include/linux/extcon.h
View file

@ -27,8 +27,6 @@
#define __LINUX_EXTCON_H__
#include <linux/device.h>
#include <linux/notifier.h>
#include <linux/sysfs.h>
/*
* Define the unique id of supported external connectors
@ -77,8 +75,6 @@ struct extcon_cable;
* be attached simulataneously. {0x7, 0} is equivalent to
* {0x3, 0x6, 0x5, 0}. If it is {0xFFFFFFFF, 0}, there
* can be no simultaneous connections.
* @print_state: An optional callback to override the method to print the
* status of the extcon device.
* @dev: Device of this extcon.
* @state: Attach/detach state of this extcon. Do not provide at
* register-time.
@ -102,9 +98,6 @@ struct extcon_dev {
const unsigned int *supported_cable;
const u32 *mutually_exclusive;
/* Optional callbacks to override class functions */
ssize_t (*print_state)(struct extcon_dev *edev, char *buf);
/* Internal data. Please do not set. */
struct device dev;
struct raw_notifier_head *nh;

7
include/linux/mfd/palmas.h
View file

@ -21,6 +21,7 @@
#include <linux/regmap.h>
#include <linux/regulator/driver.h>
#include <linux/extcon.h>
#include <linux/of_gpio.h>
#include <linux/usb/phy_companion.h>
#define PALMAS_NUM_CLIENTS 3
@ -551,10 +552,16 @@ struct palmas_usb {
int vbus_otg_irq;
int vbus_irq;
int gpio_id_irq;
struct gpio_desc *id_gpiod;
unsigned long sw_debounce_jiffies;
struct delayed_work wq_detectid;
enum palmas_usb_state linkstat;
int wakeup;
bool enable_vbus_detection;
bool enable_id_detection;
bool enable_gpio_id_detection;
};
#define comparator_to_palmas(x) container_of((x), struct palmas_usb, comparator)