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@@ -51,10 +51,10 @@
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enum extcon_cable_name {
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EXTCON_USB = 0,
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EXTCON_USB_HOST,
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- EXTCON_TA, /* Travel Adaptor */
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+ EXTCON_TA, /* Travel Adaptor */
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EXTCON_FAST_CHARGER,
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EXTCON_SLOW_CHARGER,
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- EXTCON_CHARGE_DOWNSTREAM, /* Charging an external device */
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+ EXTCON_CHARGE_DOWNSTREAM, /* Charging an external device */
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EXTCON_HDMI,
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EXTCON_MHL,
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EXTCON_DVI,
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@@ -76,8 +76,8 @@ struct extcon_cable;
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/**
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* struct extcon_dev - An extcon device represents one external connector.
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- * @name: The name of this extcon device. Parent device name is used
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- * if NULL.
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+ * @name: The name of this extcon device. Parent device name is
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+ * used if NULL.
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* @supported_cable: Array of supported cable names ending with NULL.
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* If supported_cable is NULL, cable name related APIs
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* are disabled.
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@@ -89,21 +89,21 @@ struct extcon_cable;
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* be attached simulataneously. {0x7, 0} is equivalent to
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* {0x3, 0x6, 0x5, 0}. If it is {0xFFFFFFFF, 0}, there
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* can be no simultaneous connections.
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- * @print_name: An optional callback to override the method to print the
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- * name of the extcon device.
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+ * @print_name: An optional callback to override the method to print the
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+ * name of the extcon device.
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* @print_state: An optional callback to override the method to print the
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- * status of the extcon device.
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- * @dev: Device of this extcon. Do not provide at register-time.
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- * @state: Attach/detach state of this extcon. Do not provide at
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- * register-time
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- * @nh: Notifier for the state change events from this extcon
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- * @entry: To support list of extcon devices so that users can search
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- * for extcon devices based on the extcon name.
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+ * status of the extcon device.
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+ * @dev: Device of this extcon. Do not provide at register-time.
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+ * @state: Attach/detach state of this extcon. Do not provide at
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+ * register-time.
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+ * @nh: Notifier for the state change events from this extcon
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+ * @entry: To support list of extcon devices so that users can search
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+ * for extcon devices based on the extcon name.
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* @lock:
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* @max_supported: Internal value to store the number of cables.
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* @extcon_dev_type: Device_type struct to provide attribute_groups
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* customized for each extcon device.
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- * @cables: Sysfs subdirectories. Each represents one cable.
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+ * @cables: Sysfs subdirectories. Each represents one cable.
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*
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* In most cases, users only need to provide "User initializing data" of
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* this struct when registering an extcon. In some exceptional cases,
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@@ -111,26 +111,27 @@ struct extcon_cable;
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* are overwritten by register function.
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*/
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struct extcon_dev {
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- /* --- Optional user initializing data --- */
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- const char *name;
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+ /* Optional user initializing data */
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+ const char *name;
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const char **supported_cable;
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- const u32 *mutually_exclusive;
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+ const u32 *mutually_exclusive;
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- /* --- Optional callbacks to override class functions --- */
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+ /* Optional callbacks to override class functions */
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ssize_t (*print_name)(struct extcon_dev *edev, char *buf);
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ssize_t (*print_state)(struct extcon_dev *edev, char *buf);
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- /* --- Internal data. Please do not set. --- */
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- struct device *dev;
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- u32 state;
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+ /* Internal data. Please do not set. */
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+ struct device *dev;
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struct raw_notifier_head nh;
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struct list_head entry;
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- spinlock_t lock; /* could be called by irq handler */
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int max_supported;
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+ spinlock_t lock; /* could be called by irq handler */
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+ u32 state;
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/* /sys/class/extcon/.../cable.n/... */
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struct device_type extcon_dev_type;
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struct extcon_cable *cables;
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+
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/* /sys/class/extcon/.../mutually_exclusive/... */
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struct attribute_group attr_g_muex;
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struct attribute **attrs_muex;
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@@ -138,13 +139,13 @@ struct extcon_dev {
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};
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/**
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- * struct extcon_cable - An internal data for each cable of extcon device.
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- * @edev: The extcon device
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+ * struct extcon_cable - An internal data for each cable of extcon device.
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+ * @edev: The extcon device
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* @cable_index: Index of this cable in the edev
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- * @attr_g: Attribute group for the cable
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- * @attr_name: "name" sysfs entry
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- * @attr_state: "state" sysfs entry
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- * @attrs: Array pointing to attr_name and attr_state for attr_g
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+ * @attr_g: Attribute group for the cable
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+ * @attr_name: "name" sysfs entry
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+ * @attr_state: "state" sysfs entry
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+ * @attrs: Array pointing to attr_name and attr_state for attr_g
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*/
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struct extcon_cable {
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struct extcon_dev *edev;
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@@ -159,11 +160,13 @@ struct extcon_cable {
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/**
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* struct extcon_specific_cable_nb - An internal data for
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- * extcon_register_interest().
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- * @internal_nb: a notifier block bridging extcon notifier and cable notifier.
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- * @user_nb: user provided notifier block for events from a specific cable.
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+ * extcon_register_interest().
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+ * @internal_nb: A notifier block bridging extcon notifier
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+ * and cable notifier.
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+ * @user_nb: user provided notifier block for events from
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+ * a specific cable.
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* @cable_index: the target cable.
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- * @edev: the target extcon device.
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+ * @edev: the target extcon device.
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* @previous_value: the saved previous event value.
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*/
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struct extcon_specific_cable_nb {
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Chanwoo Choi