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-rw-r--r--drivers/input/input.c91
1 files changed, 32 insertions, 59 deletions
diff --git a/drivers/input/input.c b/drivers/input/input.c
index db409d6bd5d2..7985114beac7 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;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-11 13:33:37 +0000