Extcon fixes for Linux 3.7 based on 3.7 RC2
- MyungJoo -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIcBAABAgAGBQJQhkiaAAoJEBOhurvWBoCKZIMQAKFzc+pjG9eCMG1ZXZV80D2s 4mTtS+DNEzg1aSVDmwwmRXolk7PXQeS+R6AQxrsJkr6bNRCM2SR1GXbPdAFcL8Vt R4FF+93q4DkOHjIw4KdyGDCfgHefJ5acsiZAuwGCZSGKZBdxkThf7kdP87tuLLRa wc/KptIz6Vo5KL/gstaY+tVMPI/fSegbEASP4Aie1jRuqMfNZ6ucqvBLs+jA7cmz k/5GRSaxhYv2ouCu1PKjtPPexlvfqi4IrB1kxwqcGAHEYuiX5D71pju/Pw7UpPup J0xNBEd0Y9tVEsfhJd6muLIIgn4xFJ8OkBF/KxIG7V0NuamlXq0R8pstFV7/DyK8 GDjINpkqgx5XOme6WwFk6pInnEcqCTdIX9zOsjeahe/cod8FngbuWCtm04Lj61iF Yyv8Nf3A9/Keysa8sZ07upGReGu1qa9D3rQsqZMJUcPntL2axCmV2D/9TseibYvw t7rYTohezNz9JYdQj+QLsjFQ4ZiRV8ouyy0oQAcsiDo1N+xycEU1zbD271Qnl6z4 aBYmmhHYuLgnBletxq/stH63QxwMH4aE6YbNJYwRoPEblCLsiGAQ8wLB46oF7pJo JXhCdxu06TFV8Cup0fMsLVDpXlL6pUOiDMbqlY8+i5nNnfJ8sYAYo8B74ydH/U9P AprbGenRvxJaLof234SF =QsoO -----END PGP SIGNATURE----- Merge tag 'fixes-for-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/mzx/extcon into char-misc-linus Extcon fixes for Linux 3.7 based on 3.7 RC2 - MyungJoo
This commit is contained in:
Greg Kroah-Hartman
commit
1b2077345c
7 changed files with 140 additions and 84 deletions
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@ -14,6 +14,7 @@
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*
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*/
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#include <linux/module.h>
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#include <linux/slab.h>
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#include <linux/device.h>
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#include <linux/platform_device.h>
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@ -161,13 +162,12 @@ static int __devinit adc_jack_probe(struct platform_device *pdev)
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err = request_any_context_irq(data->irq, adc_jack_irq_thread,
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pdata->irq_flags, pdata->name, data);
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if (err) {
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if (err < 0) {
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dev_err(&pdev->dev, "error: irq %d\n", data->irq);
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err = -EINVAL;
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goto err_irq;
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}
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goto out;
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return 0;
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err_irq:
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extcon_dev_unregister(&data->edev);
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@ -196,3 +196,7 @@ static struct platform_driver adc_jack_driver = {
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};
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module_platform_driver(adc_jack_driver);
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MODULE_AUTHOR("MyungJoo Ham <myungjoo.ham@samsung.com>");
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MODULE_DESCRIPTION("ADC Jack extcon driver");
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MODULE_LICENSE("GPL v2");
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@ -41,7 +41,7 @@
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* every single port-type of the following cable names. Please choose cable
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* names that are actually used in your extcon device.
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*/
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const char *extcon_cable_name[] = {
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const char extcon_cable_name[][CABLE_NAME_MAX + 1] = {
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[EXTCON_USB] = "USB",
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[EXTCON_USB_HOST] = "USB-Host",
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[EXTCON_TA] = "TA",
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@ -62,8 +62,6 @@ const char *extcon_cable_name[] = {
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[EXTCON_VIDEO_IN] = "Video-in",
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[EXTCON_VIDEO_OUT] = "Video-out",
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[EXTCON_MECHANICAL] = "Mechanical",
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NULL,
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};
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static struct class *extcon_class;
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@ -91,17 +89,13 @@ static int check_mutually_exclusive(struct extcon_dev *edev, u32 new_state)
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return 0;
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for (i = 0; edev->mutually_exclusive[i]; i++) {
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int count = 0, j;
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int weight;
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u32 correspondants = new_state & edev->mutually_exclusive[i];
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u32 exp = 1;
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for (j = 0; j < 32; j++) {
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if (exp & correspondants)
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count++;
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if (count > 1)
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return i + 1;
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exp <<= 1;
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}
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/* calculate the total number of bits set */
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weight = hweight32(correspondants);
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if (weight > 1)
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return i + 1;
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}
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return 0;
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@ -362,7 +356,7 @@ int extcon_get_cable_state(struct extcon_dev *edev, const char *cable_name)
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EXPORT_SYMBOL_GPL(extcon_get_cable_state);
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/**
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* extcon_get_cable_state_() - Set the status of a specific cable.
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* extcon_set_cable_state_() - Set the status of a specific cable.
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* @edev: the extcon device that has the cable.
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* @index: cable index that can be retrieved by extcon_find_cable_index().
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* @cable_state: the new cable status. The default semantics is
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@ -382,7 +376,7 @@ int extcon_set_cable_state_(struct extcon_dev *edev,
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EXPORT_SYMBOL_GPL(extcon_set_cable_state_);
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/**
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* extcon_get_cable_state() - Set the status of a specific cable.
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* extcon_set_cable_state() - Set the status of a specific cable.
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* @edev: the extcon device that has the cable.
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* @cable_name: cable name.
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* @cable_state: the new cable status. The default semantics is
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@ -447,6 +441,8 @@ static int _call_per_cable(struct notifier_block *nb, unsigned long val,
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* extcon device.
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* @obj: an empty extcon_specific_cable_nb object to be returned.
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* @extcon_name: the name of extcon device.
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* if NULL, extcon_register_interest will register
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* every cable with the target cable_name given.
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* @cable_name: the target cable name.
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* @nb: the notifier block to get notified.
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*
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@ -466,22 +462,44 @@ int extcon_register_interest(struct extcon_specific_cable_nb *obj,
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const char *extcon_name, const char *cable_name,
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struct notifier_block *nb)
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{
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if (!obj || !extcon_name || !cable_name || !nb)
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if (!obj || !cable_name || !nb)
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return -EINVAL;
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obj->edev = extcon_get_extcon_dev(extcon_name);
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if (!obj->edev)
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if (extcon_name) {
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obj->edev = extcon_get_extcon_dev(extcon_name);
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if (!obj->edev)
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return -ENODEV;
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obj->cable_index = extcon_find_cable_index(obj->edev, cable_name);
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if (obj->cable_index < 0)
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return -ENODEV;
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obj->user_nb = nb;
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obj->internal_nb.notifier_call = _call_per_cable;
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return raw_notifier_chain_register(&obj->edev->nh, &obj->internal_nb);
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} else {
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struct class_dev_iter iter;
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struct extcon_dev *extd;
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struct device *dev;
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if (!extcon_class)
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return -ENODEV;
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class_dev_iter_init(&iter, extcon_class, NULL, NULL);
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while ((dev = class_dev_iter_next(&iter))) {
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extd = (struct extcon_dev *)dev_get_drvdata(dev);
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if (extcon_find_cable_index(extd, cable_name) < 0)
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continue;
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class_dev_iter_exit(&iter);
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return extcon_register_interest(obj, extd->name,
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cable_name, nb);
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}
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return -ENODEV;
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obj->cable_index = extcon_find_cable_index(obj->edev, cable_name);
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if (obj->cable_index < 0)
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return -ENODEV;
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obj->user_nb = nb;
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obj->internal_nb.notifier_call = _call_per_cable;
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return raw_notifier_chain_register(&obj->edev->nh, &obj->internal_nb);
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}
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}
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/**
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@ -551,43 +569,9 @@ static int create_extcon_class(void)
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return 0;
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}
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static void extcon_cleanup(struct extcon_dev *edev, bool skip)
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{
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mutex_lock(&extcon_dev_list_lock);
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list_del(&edev->entry);
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mutex_unlock(&extcon_dev_list_lock);
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if (!skip && get_device(edev->dev)) {
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int index;
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if (edev->mutually_exclusive && edev->max_supported) {
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for (index = 0; edev->mutually_exclusive[index];
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index++)
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kfree(edev->d_attrs_muex[index].attr.name);
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kfree(edev->d_attrs_muex);
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kfree(edev->attrs_muex);
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}
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for (index = 0; index < edev->max_supported; index++)
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kfree(edev->cables[index].attr_g.name);
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if (edev->max_supported) {
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kfree(edev->extcon_dev_type.groups);
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kfree(edev->cables);
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}
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device_unregister(edev->dev);
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put_device(edev->dev);
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}
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kfree(edev->dev);
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}
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static void extcon_dev_release(struct device *dev)
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{
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struct extcon_dev *edev = (struct extcon_dev *) dev_get_drvdata(dev);
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extcon_cleanup(edev, true);
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kfree(dev);
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}
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static const char *muex_name = "mutually_exclusive";
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@ -813,7 +797,40 @@ EXPORT_SYMBOL_GPL(extcon_dev_register);
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*/
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void extcon_dev_unregister(struct extcon_dev *edev)
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{
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extcon_cleanup(edev, false);
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int index;
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mutex_lock(&extcon_dev_list_lock);
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list_del(&edev->entry);
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mutex_unlock(&extcon_dev_list_lock);
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if (IS_ERR_OR_NULL(get_device(edev->dev))) {
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dev_err(edev->dev, "Failed to unregister extcon_dev (%s)\n",
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dev_name(edev->dev));
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return;
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}
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if (edev->mutually_exclusive && edev->max_supported) {
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for (index = 0; edev->mutually_exclusive[index];
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index++)
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kfree(edev->d_attrs_muex[index].attr.name);
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kfree(edev->d_attrs_muex);
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kfree(edev->attrs_muex);
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}
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for (index = 0; index < edev->max_supported; index++)
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kfree(edev->cables[index].attr_g.name);
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if (edev->max_supported) {
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kfree(edev->extcon_dev_type.groups);
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kfree(edev->cables);
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}
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#if defined(CONFIG_ANDROID)
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if (switch_class)
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class_compat_remove_link(switch_class, edev->dev, NULL);
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#endif
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device_unregister(edev->dev);
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put_device(edev->dev);
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}
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EXPORT_SYMBOL_GPL(extcon_dev_unregister);
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@ -825,6 +842,9 @@ module_init(extcon_class_init);
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static void __exit extcon_class_exit(void)
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{
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#if defined(CONFIG_ANDROID)
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class_compat_unregister(switch_class);
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#endif
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class_destroy(extcon_class);
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}
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module_exit(extcon_class_exit);
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@ -26,7 +26,6 @@
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#include <linux/interrupt.h>
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#include <linux/platform_device.h>
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#include <linux/slab.h>
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#include <linux/extcon.h>
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#include <linux/workqueue.h>
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#include <linux/gpio.h>
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#include <linux/extcon.h>
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@ -239,25 +239,19 @@ const char *max77693_extcon_cable[] = {
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static int max77693_muic_set_debounce_time(struct max77693_muic_info *info,
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enum max77693_muic_adc_debounce_time time)
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{
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int ret = 0;
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u8 ctrl3;
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int ret;
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switch (time) {
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case ADC_DEBOUNCE_TIME_5MS:
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case ADC_DEBOUNCE_TIME_10MS:
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case ADC_DEBOUNCE_TIME_25MS:
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case ADC_DEBOUNCE_TIME_38_62MS:
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ret = max77693_read_reg(info->max77693->regmap_muic,
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MAX77693_MUIC_REG_CTRL3, &ctrl3);
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ctrl3 &= ~CONTROL3_ADCDBSET_MASK;
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ctrl3 |= (time << CONTROL3_ADCDBSET_SHIFT);
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ret = max77693_write_reg(info->max77693->regmap_muic,
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MAX77693_MUIC_REG_CTRL3, ctrl3);
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if (ret) {
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ret = max77693_update_reg(info->max77693->regmap_muic,
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MAX77693_MUIC_REG_CTRL3,
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time << CONTROL3_ADCDBSET_SHIFT,
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CONTROL3_ADCDBSET_MASK);
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if (ret)
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dev_err(info->dev, "failed to set ADC debounce time\n");
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ret = -EINVAL;
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}
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break;
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default:
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dev_err(info->dev, "invalid ADC debounce time\n");
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@ -657,6 +651,8 @@ static int max77693_muic_detect_accessory(struct max77693_muic_info *info)
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static int __devinit max77693_muic_probe(struct platform_device *pdev)
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{
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struct max77693_dev *max77693 = dev_get_drvdata(pdev->dev.parent);
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struct max77693_platform_data *pdata = dev_get_platdata(max77693->dev);
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struct max77693_muic_platform_data *muic_pdata = pdata->muic_data;
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struct max77693_muic_info *info;
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int ret, i;
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u8 id;
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@ -727,6 +723,31 @@ static int __devinit max77693_muic_probe(struct platform_device *pdev)
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goto err_extcon;
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}
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/* Initialize MUIC register by using platform data */
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for (i = 0 ; i < muic_pdata->num_init_data ; i++) {
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enum max77693_irq_source irq_src = MAX77693_IRQ_GROUP_NR;
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max77693_write_reg(info->max77693->regmap_muic,
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muic_pdata->init_data[i].addr,
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muic_pdata->init_data[i].data);
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switch (muic_pdata->init_data[i].addr) {
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case MAX77693_MUIC_REG_INTMASK1:
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irq_src = MUIC_INT1;
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break;
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case MAX77693_MUIC_REG_INTMASK2:
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irq_src = MUIC_INT2;
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break;
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case MAX77693_MUIC_REG_INTMASK3:
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irq_src = MUIC_INT3;
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break;
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}
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if (irq_src < MAX77693_IRQ_GROUP_NR)
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info->max77693->irq_masks_cur[irq_src]
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= muic_pdata->init_data[i].data;
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}
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/* Check revision number of MUIC device*/
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ret = max77693_read_reg(info->max77693->regmap_muic,
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MAX77693_MUIC_REG_ID, &id);
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@ -762,6 +783,7 @@ static int __devexit max77693_muic_remove(struct platform_device *pdev)
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free_irq(muic_irqs[i].virq, info);
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cancel_work_sync(&info->irq_work);
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extcon_dev_unregister(info->edev);
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kfree(info->edev);
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kfree(info);
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return 0;
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@ -271,8 +271,6 @@ static int max8997_muic_handle_adc(struct max8997_muic_info *info, int adc)
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static int max8997_muic_handle_charger_type_detach(
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struct max8997_muic_info *info)
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{
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int ret = 0;
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switch (info->pre_charger_type) {
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case MAX8997_CHARGER_TYPE_USB:
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extcon_set_cable_state(info->edev, "USB", false);
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@ -290,11 +288,11 @@ static int max8997_muic_handle_charger_type_detach(
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extcon_set_cable_state(info->edev, "Fast-charger", false);
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break;
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default:
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ret = -EINVAL;
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return -EINVAL;
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break;
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}
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return ret;
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return 0;
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}
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static int max8997_muic_handle_charger_type(struct max8997_muic_info *info,
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@ -68,7 +68,7 @@ enum extcon_cable_name {
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EXTCON_VIDEO_OUT,
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EXTCON_MECHANICAL,
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};
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extern const char *extcon_cable_name[];
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extern const char extcon_cable_name[][CABLE_NAME_MAX + 1];
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struct extcon_cable;
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@ -30,7 +30,20 @@
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#ifndef __LINUX_MFD_MAX77693_H
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#define __LINUX_MFD_MAX77693_H
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struct max77693_reg_data {
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u8 addr;
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u8 data;
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};
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struct max77693_muic_platform_data {
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struct max77693_reg_data *init_data;
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int num_init_data;
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};
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struct max77693_platform_data {
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int wakeup;
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/* muic data */
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struct max77693_muic_platform_data *muic_data;
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};
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#endif /* __LINUX_MFD_MAX77693_H */
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