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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2009-12-04 10:22:24 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2009-12-07 09:26:49 -0800
commite97af4cbbe500e6a3f4e189fe9324c5b99192dd6 (patch)
tree9c0840313afd06cff11c16cf6d5010a1cd5c874f /drivers/input/misc/wistron_btns.c
parent36203c4f3d091b5f6c082663bd1f74273798043a (diff)
downloadlinux-linaro-android-e97af4cbbe500e6a3f4e189fe9324c5b99192dd6.tar.gz
Input: wistron_btns - switch to using sparse keymap library
The keymap manipulation code was split into a library module, so let's make us of it. Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input/misc/wistron_btns.c')
-rw-r--r--drivers/input/misc/wistron_btns.c178
1 files changed, 44 insertions, 134 deletions
diff --git a/drivers/input/misc/wistron_btns.c b/drivers/input/misc/wistron_btns.c
index f9d2bc87b35..38da6ab0438 100644
--- a/drivers/input/misc/wistron_btns.c
+++ b/drivers/input/misc/wistron_btns.c
@@ -21,6 +21,7 @@
#include <linux/dmi.h>
#include <linux/init.h>
#include <linux/input-polldev.h>
+#include <linux/input/sparse-keymap.h>
#include <linux/interrupt.h>
#include <linux/jiffies.h>
#include <linux/kernel.h>
@@ -224,19 +225,8 @@ static void bios_set_state(u8 subsys, int enable)
/* Hardware database */
-struct key_entry {
- char type; /* See KE_* below */
- u8 code;
- union {
- u16 keycode; /* For KE_KEY */
- struct { /* For KE_SW */
- u8 code;
- u8 value;
- } sw;
- };
-};
-
-enum { KE_END, KE_KEY, KE_SW, KE_WIFI, KE_BLUETOOTH };
+#define KE_WIFI (KE_LAST + 1)
+#define KE_BLUETOOTH (KE_LAST + 2)
#define FE_MAIL_LED 0x01
#define FE_WIFI_LED 0x02
@@ -1037,21 +1027,6 @@ static unsigned long jiffies_last_press;
static bool wifi_enabled;
static bool bluetooth_enabled;
-static void report_key(struct input_dev *dev, unsigned int keycode)
-{
- input_report_key(dev, keycode, 1);
- input_sync(dev);
- input_report_key(dev, keycode, 0);
- input_sync(dev);
-}
-
-static void report_switch(struct input_dev *dev, unsigned int code, int value)
-{
- input_report_switch(dev, code, value);
- input_sync(dev);
-}
-
-
/* led management */
static void wistron_mail_led_set(struct led_classdev *led_cdev,
enum led_brightness value)
@@ -1128,43 +1103,13 @@ static inline void wistron_led_resume(void)
led_classdev_resume(&wistron_wifi_led);
}
-static struct key_entry *wistron_get_entry_by_scancode(int code)
-{
- struct key_entry *key;
-
- for (key = keymap; key->type != KE_END; key++)
- if (code == key->code)
- return key;
-
- return NULL;
-}
-
-static struct key_entry *wistron_get_entry_by_keycode(int keycode)
-{
- struct key_entry *key;
-
- for (key = keymap; key->type != KE_END; key++)
- if (key->type == KE_KEY && keycode == key->keycode)
- return key;
-
- return NULL;
-}
-
static void handle_key(u8 code)
{
- const struct key_entry *key = wistron_get_entry_by_scancode(code);
+ const struct key_entry *key =
+ sparse_keymap_entry_from_scancode(wistron_idev->input, code);
if (key) {
switch (key->type) {
- case KE_KEY:
- report_key(wistron_idev->input, key->keycode);
- break;
-
- case KE_SW:
- report_switch(wistron_idev->input,
- key->sw.code, key->sw.value);
- break;
-
case KE_WIFI:
if (have_wifi) {
wifi_enabled = !wifi_enabled;
@@ -1180,7 +1125,9 @@ static void handle_key(u8 code)
break;
default:
- BUG();
+ sparse_keymap_report_entry(wistron_idev->input,
+ key, 1, true);
+ break;
}
jiffies_last_press = jiffies;
} else
@@ -1220,42 +1167,39 @@ static void wistron_poll(struct input_polled_dev *dev)
dev->poll_interval = POLL_INTERVAL_DEFAULT;
}
-static int wistron_getkeycode(struct input_dev *dev, int scancode, int *keycode)
+static int __devinit wistron_setup_keymap(struct input_dev *dev,
+ struct key_entry *entry)
{
- const struct key_entry *key = wistron_get_entry_by_scancode(scancode);
+ switch (entry->type) {
- if (key && key->type == KE_KEY) {
- *keycode = key->keycode;
- return 0;
- }
-
- return -EINVAL;
-}
+ /* if wifi or bluetooth are not available, create normal keys */
+ case KE_WIFI:
+ if (!have_wifi) {
+ entry->type = KE_KEY;
+ entry->keycode = KEY_WLAN;
+ }
+ break;
-static int wistron_setkeycode(struct input_dev *dev, int scancode, int keycode)
-{
- struct key_entry *key;
- int old_keycode;
-
- if (keycode < 0 || keycode > KEY_MAX)
- return -EINVAL;
-
- key = wistron_get_entry_by_scancode(scancode);
- if (key && key->type == KE_KEY) {
- old_keycode = key->keycode;
- key->keycode = keycode;
- set_bit(keycode, dev->keybit);
- if (!wistron_get_entry_by_keycode(old_keycode))
- clear_bit(old_keycode, dev->keybit);
- return 0;
+ case KE_BLUETOOTH:
+ if (!have_bluetooth) {
+ entry->type = KE_KEY;
+ entry->keycode = KEY_BLUETOOTH;
+ }
+ break;
+
+ case KE_END:
+ if (entry->code & FE_UNTESTED)
+ printk(KERN_WARNING "Untested laptop multimedia keys, "
+ "please report success or failure to "
+ "eric.piel@tremplin-utc.net\n");
+ break;
}
- return -EINVAL;
+ return 0;
}
static int __devinit setup_input_dev(void)
{
- struct key_entry *key;
struct input_dev *input_dev;
int error;
@@ -1273,56 +1217,21 @@ static int __devinit setup_input_dev(void)
input_dev->id.bustype = BUS_HOST;
input_dev->dev.parent = &wistron_device->dev;
- input_dev->getkeycode = wistron_getkeycode;
- input_dev->setkeycode = wistron_setkeycode;
-
- for (key = keymap; key->type != KE_END; key++) {
- switch (key->type) {
- case KE_KEY:
- set_bit(EV_KEY, input_dev->evbit);
- set_bit(key->keycode, input_dev->keybit);
- break;
-
- case KE_SW:
- set_bit(EV_SW, input_dev->evbit);
- set_bit(key->sw.code, input_dev->swbit);
- break;
-
- /* if wifi or bluetooth are not available, create normal keys */
- case KE_WIFI:
- if (!have_wifi) {
- key->type = KE_KEY;
- key->keycode = KEY_WLAN;
- key--;
- }
- break;
-
- case KE_BLUETOOTH:
- if (!have_bluetooth) {
- key->type = KE_KEY;
- key->keycode = KEY_BLUETOOTH;
- key--;
- }
- break;
-
- default:
- break;
- }
- }
-
- /* reads information flags on KE_END */
- if (key->code & FE_UNTESTED)
- printk(KERN_WARNING "Untested laptop multimedia keys, "
- "please report success or failure to eric.piel"
- "@tremplin-utc.net\n");
+ error = sparse_keymap_setup(input_dev, keymap, wistron_setup_keymap);
+ if (error)
+ goto err_free_dev;
error = input_register_polled_device(wistron_idev);
- if (error) {
- input_free_polled_device(wistron_idev);
- return error;
- }
+ if (error)
+ goto err_free_keymap;
return 0;
+
+ err_free_keymap:
+ sparse_keymap_free(input_dev);
+ err_free_dev:
+ input_free_polled_device(wistron_idev);
+ return error;
}
/* Driver core */
@@ -1371,6 +1280,7 @@ static int __devexit wistron_remove(struct platform_device *dev)
{
wistron_led_remove();
input_unregister_polled_device(wistron_idev);
+ sparse_keymap_free(wistron_idev->input);
input_free_polled_device(wistron_idev);
bios_detach();