diff options
Diffstat (limited to 'drivers/input/input.c')
| -rw-r--r-- | drivers/input/input.c | 91 |
1 files changed, 32 insertions, 59 deletions
diff --git a/drivers/input/input.c b/drivers/input/input.c index db409d6..7985114 100644 --- a/drivers/input/input.c +++ b/drivers/input/input.c @@ -10,9 +10,11 @@ * the Free Software Foundation. */ +#define pr_fmt(fmt) KBUILD_BASENAME ": " fmt + #include <linux/init.h> #include <linux/types.h> -#include <linux/input.h> +#include <linux/input/mt.h> #include <linux/module.h> #include <linux/slab.h> #include <linux/random.h> @@ -958,10 +960,8 @@ static int input_attach_handler(struct input_dev *dev, struct input_handler *han error = handler->connect(handler, dev, id); if (error && error != -ENODEV) - printk(KERN_ERR - "input: failed to attach handler %s to device %s, " - "error: %d\n", - handler->name, kobject_name(&dev->dev.kobj), error); + pr_err("failed to attach handler %s to device %s, error: %d\n", + handler->name, kobject_name(&dev->dev.kobj), error); return error; } @@ -1109,6 +1109,8 @@ static int input_devices_seq_show(struct seq_file *seq, void *v) seq_printf(seq, "%s ", handle->name); seq_putc(seq, '\n'); + input_seq_print_bitmap(seq, "PROP", dev->propbit, INPUT_PROP_MAX); + input_seq_print_bitmap(seq, "EV", dev->evbit, EV_MAX); if (test_bit(EV_KEY, dev->evbit)) input_seq_print_bitmap(seq, "KEY", dev->keybit, KEY_MAX); @@ -1332,11 +1334,26 @@ static ssize_t input_dev_show_modalias(struct device *dev, } static DEVICE_ATTR(modalias, S_IRUGO, input_dev_show_modalias, NULL); +static int input_print_bitmap(char *buf, int buf_size, unsigned long *bitmap, + int max, int add_cr); + +static ssize_t input_dev_show_properties(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct input_dev *input_dev = to_input_dev(dev); + int len = input_print_bitmap(buf, PAGE_SIZE, input_dev->propbit, + INPUT_PROP_MAX, true); + return min_t(int, len, PAGE_SIZE); +} +static DEVICE_ATTR(properties, S_IRUGO, input_dev_show_properties, NULL); + static struct attribute *input_dev_attrs[] = { &dev_attr_name.attr, &dev_attr_phys.attr, &dev_attr_uniq.attr, &dev_attr_modalias.attr, + &dev_attr_properties.attr, NULL }; @@ -1470,7 +1487,7 @@ static int input_add_uevent_bm_var(struct kobj_uevent_env *env, { int len; - if (add_uevent_var(env, "%s=", name)) + if (add_uevent_var(env, "%s", name)) return -ENOMEM; len = input_print_bitmap(&env->buf[env->buflen - 1], @@ -1536,6 +1553,8 @@ static int input_dev_uevent(struct device *device, struct kobj_uevent_env *env) if (dev->uniq) INPUT_ADD_HOTPLUG_VAR("UNIQ=\"%s\"", dev->uniq); + INPUT_ADD_HOTPLUG_BM_VAR("PROP=", dev->propbit, INPUT_PROP_MAX); + INPUT_ADD_HOTPLUG_BM_VAR("EV=", dev->evbit, EV_MAX); if (test_bit(EV_KEY, dev->evbit)) INPUT_ADD_HOTPLUG_BM_VAR("KEY=", dev->keybit, KEY_MAX); @@ -1725,52 +1744,6 @@ void input_free_device(struct input_dev *dev) EXPORT_SYMBOL(input_free_device); /** - * input_mt_create_slots() - create MT input slots - * @dev: input device supporting MT events and finger tracking - * @num_slots: number of slots used by the device - * - * This function allocates all necessary memory for MT slot handling in the - * input device, and adds ABS_MT_SLOT to the device capabilities. All slots - * are initially marked as unused by setting ABS_MT_TRACKING_ID to -1. - */ -int input_mt_create_slots(struct input_dev *dev, unsigned int num_slots) -{ - int i; - - if (!num_slots) - return 0; - - dev->mt = kcalloc(num_slots, sizeof(struct input_mt_slot), GFP_KERNEL); - if (!dev->mt) - return -ENOMEM; - - dev->mtsize = num_slots; - input_set_abs_params(dev, ABS_MT_SLOT, 0, num_slots - 1, 0, 0); - - /* Mark slots as 'unused' */ - for (i = 0; i < num_slots; i++) - dev->mt[i].abs[ABS_MT_TRACKING_ID - ABS_MT_FIRST] = -1; - - return 0; -} -EXPORT_SYMBOL(input_mt_create_slots); - -/** - * input_mt_destroy_slots() - frees the MT slots of the input device - * @dev: input device with allocated MT slots - * - * This function is only needed in error path as the input core will - * automatically free the MT slots when the device is destroyed. - */ -void input_mt_destroy_slots(struct input_dev *dev) -{ - kfree(dev->mt); - dev->mt = NULL; - dev->mtsize = 0; -} -EXPORT_SYMBOL(input_mt_destroy_slots); - -/** * input_set_capability - mark device as capable of a certain event * @dev: device that is capable of emitting or accepting event * @type: type of the event (EV_KEY, EV_REL, etc...) @@ -1819,9 +1792,8 @@ void input_set_capability(struct input_dev *dev, unsigned int type, unsigned int break; default: - printk(KERN_ERR - "input_set_capability: unknown type %u (code %u)\n", - type, code); + pr_err("input_set_capability: unknown type %u (code %u)\n", + type, code); dump_stack(); return; } @@ -1903,8 +1875,9 @@ int input_register_device(struct input_dev *dev) return error; path = kobject_get_path(&dev->dev.kobj, GFP_KERNEL); - printk(KERN_INFO "input: %s as %s\n", - dev->name ? dev->name : "Unspecified device", path ? path : "N/A"); + pr_info("%s as %s\n", + dev->name ? dev->name : "Unspecified device", + path ? path : "N/A"); kfree(path); error = mutex_lock_interruptible(&input_mutex); @@ -2186,7 +2159,7 @@ static int __init input_init(void) err = class_register(&input_class); if (err) { - printk(KERN_ERR "input: unable to register input_dev class\n"); + pr_err("unable to register input_dev class\n"); return err; } @@ -2196,7 +2169,7 @@ static int __init input_init(void) err = register_chrdev(INPUT_MAJOR, "input", &input_fops); if (err) { - printk(KERN_ERR "input: unable to register char major %d", INPUT_MAJOR); + pr_err("unable to register char major %d", INPUT_MAJOR); goto fail2; } |