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path: root/drivers/input/input.c
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Diffstat (limited to 'drivers/input/input.c')
-rw-r--r--drivers/input/input.c54
1 files changed, 46 insertions, 8 deletions
diff --git a/drivers/input/input.c b/drivers/input/input.c
index bdd2a7fc268d..ef5824c8846b 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -18,7 +18,6 @@
#include <linux/random.h>
#include <linux/major.h>
#include <linux/proc_fs.h>
-#include <linux/kobject_uevent.h>
#include <linux/interrupt.h>
#include <linux/poll.h>
#include <linux/device.h>
@@ -529,10 +528,49 @@ INPUT_DEV_STRING_ATTR_SHOW(name);
INPUT_DEV_STRING_ATTR_SHOW(phys);
INPUT_DEV_STRING_ATTR_SHOW(uniq);
+static int print_modalias_bits(char *buf, char prefix, unsigned long *arr,
+ unsigned int min, unsigned int max)
+{
+ int len, i;
+
+ len = sprintf(buf, "%c", prefix);
+ for (i = min; i < max; i++)
+ if (arr[LONG(i)] & BIT(i))
+ len += sprintf(buf+len, "%X,", i);
+ return len;
+}
+
+static ssize_t input_dev_show_modalias(struct class_device *dev, char *buf)
+{
+ struct input_dev *id = to_input_dev(dev);
+ ssize_t len = 0;
+
+ len += sprintf(buf+len, "input:b%04Xv%04Xp%04Xe%04X-",
+ id->id.bustype,
+ id->id.vendor,
+ id->id.product,
+ id->id.version);
+
+ len += print_modalias_bits(buf+len, 'e', id->evbit, 0, EV_MAX);
+ len += print_modalias_bits(buf+len, 'k', id->keybit,
+ KEY_MIN_INTERESTING, KEY_MAX);
+ len += print_modalias_bits(buf+len, 'r', id->relbit, 0, REL_MAX);
+ len += print_modalias_bits(buf+len, 'a', id->absbit, 0, ABS_MAX);
+ len += print_modalias_bits(buf+len, 'm', id->mscbit, 0, MSC_MAX);
+ len += print_modalias_bits(buf+len, 'l', id->ledbit, 0, LED_MAX);
+ len += print_modalias_bits(buf+len, 's', id->sndbit, 0, SND_MAX);
+ len += print_modalias_bits(buf+len, 'f', id->ffbit, 0, FF_MAX);
+ len += print_modalias_bits(buf+len, 'w', id->swbit, 0, SW_MAX);
+ len += sprintf(buf+len, "\n");
+ return len;
+}
+static CLASS_DEVICE_ATTR(modalias, S_IRUGO, input_dev_show_modalias, NULL);
+
static struct attribute *input_dev_attrs[] = {
&class_device_attr_name.attr,
&class_device_attr_phys.attr,
&class_device_attr_uniq.attr,
+ &class_device_attr_modalias.attr,
NULL
};
@@ -611,10 +649,10 @@ static void input_dev_release(struct class_device *class_dev)
}
/*
- * Input hotplugging interface - loading event handlers based on
+ * Input uevent interface - loading event handlers based on
* device bitfields.
*/
-static int input_add_hotplug_bm_var(char **envp, int num_envp, int *cur_index,
+static int input_add_uevent_bm_var(char **envp, int num_envp, int *cur_index,
char *buffer, int buffer_size, int *cur_len,
const char *name, unsigned long *bitmap, int max)
{
@@ -639,7 +677,7 @@ static int input_add_hotplug_bm_var(char **envp, int num_envp, int *cur_index,
#define INPUT_ADD_HOTPLUG_VAR(fmt, val...) \
do { \
- int err = add_hotplug_env_var(envp, num_envp, &i, \
+ int err = add_uevent_var(envp, num_envp, &i, \
buffer, buffer_size, &len, \
fmt, val); \
if (err) \
@@ -648,15 +686,15 @@ static int input_add_hotplug_bm_var(char **envp, int num_envp, int *cur_index,
#define INPUT_ADD_HOTPLUG_BM_VAR(name, bm, max) \
do { \
- int err = input_add_hotplug_bm_var(envp, num_envp, &i, \
+ int err = input_add_uevent_bm_var(envp, num_envp, &i, \
buffer, buffer_size, &len, \
name, bm, max); \
if (err) \
return err; \
} while (0)
-static int input_dev_hotplug(struct class_device *cdev, char **envp,
- int num_envp, char *buffer, int buffer_size)
+static int input_dev_uevent(struct class_device *cdev, char **envp,
+ int num_envp, char *buffer, int buffer_size)
{
struct input_dev *dev = to_input_dev(cdev);
int i = 0;
@@ -698,7 +736,7 @@ static int input_dev_hotplug(struct class_device *cdev, char **envp,
struct class input_class = {
.name = "input",
.release = input_dev_release,
- .hotplug = input_dev_hotplug,
+ .uevent = input_dev_uevent,
};
struct input_dev *input_allocate_device(void)