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path: root/drivers/platform/x86/asus-laptop.c
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Diffstat (limited to 'drivers/platform/x86/asus-laptop.c')
-rw-r--r--drivers/platform/x86/asus-laptop.c111
1 files changed, 49 insertions, 62 deletions
diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c
index bfc1a8892a32..db657bbeec90 100644
--- a/drivers/platform/x86/asus-laptop.c
+++ b/drivers/platform/x86/asus-laptop.c
@@ -33,6 +33,8 @@
* Sam Lin - GPS support
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
@@ -53,9 +55,10 @@
#define ASUS_HOTK_NAME "Asus Laptop Support"
#define ASUS_HOTK_CLASS "hotkey"
#define ASUS_HOTK_DEVICE_NAME "Hotkey"
-#define ASUS_HOTK_FILE "asus-laptop"
+#define ASUS_HOTK_FILE KBUILD_MODNAME
#define ASUS_HOTK_PREFIX "\\_SB.ATKD."
+
/*
* Some events we use, same for all Asus
*/
@@ -207,13 +210,17 @@ MODULE_DEVICE_TABLE(acpi, asus_device_ids);
static int asus_hotk_add(struct acpi_device *device);
static int asus_hotk_remove(struct acpi_device *device, int type);
+static void asus_hotk_notify(struct acpi_device *device, u32 event);
+
static struct acpi_driver asus_hotk_driver = {
.name = ASUS_HOTK_NAME,
.class = ASUS_HOTK_CLASS,
.ids = asus_device_ids,
+ .flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS,
.ops = {
.add = asus_hotk_add,
.remove = asus_hotk_remove,
+ .notify = asus_hotk_notify,
},
};
@@ -323,7 +330,7 @@ static int read_wireless_status(int mask)
rv = acpi_evaluate_integer(wireless_status_handle, NULL, NULL, &status);
if (ACPI_FAILURE(rv))
- printk(ASUS_WARNING "Error reading Wireless status\n");
+ pr_warning("Error reading Wireless status\n");
else
return (status & mask) ? 1 : 0;
@@ -337,7 +344,7 @@ static int read_gps_status(void)
rv = acpi_evaluate_integer(gps_status_handle, NULL, NULL, &status);
if (ACPI_FAILURE(rv))
- printk(ASUS_WARNING "Error reading GPS status\n");
+ pr_warning("Error reading GPS status\n");
else
return status ? 1 : 0;
@@ -377,7 +384,7 @@ static void write_status(acpi_handle handle, int out, int mask)
}
if (write_acpi_int(handle, NULL, out, NULL))
- printk(ASUS_WARNING " write failed %x\n", mask);
+ pr_warning(" write failed %x\n", mask);
}
/* /sys/class/led handlers */
@@ -420,7 +427,7 @@ static int set_lcd_state(int value)
NULL, NULL, NULL);
if (ACPI_FAILURE(status))
- printk(ASUS_WARNING "Error switching LCD\n");
+ pr_warning("Error switching LCD\n");
}
write_status(NULL, lcd, LCD_ON);
@@ -444,7 +451,7 @@ static int read_brightness(struct backlight_device *bd)
rv = acpi_evaluate_integer(brightness_get_handle, NULL, NULL, &value);
if (ACPI_FAILURE(rv))
- printk(ASUS_WARNING "Error reading brightness\n");
+ pr_warning("Error reading brightness\n");
return value;
}
@@ -457,7 +464,7 @@ static int set_brightness(struct backlight_device *bd, int value)
/* 0 <= value <= 15 */
if (write_acpi_int(brightness_set_handle, NULL, value, NULL)) {
- printk(ASUS_WARNING "Error changing brightness\n");
+ pr_warning("Error changing brightness\n");
ret = -EIO;
}
@@ -587,7 +594,7 @@ static ssize_t store_ledd(struct device *dev, struct device_attribute *attr,
rv = parse_arg(buf, count, &value);
if (rv > 0) {
if (write_acpi_int(ledd_set_handle, NULL, value, NULL))
- printk(ASUS_WARNING "LED display write failed\n");
+ pr_warning("LED display write failed\n");
else
hotk->ledd_status = (u32) value;
}
@@ -632,7 +639,7 @@ static void set_display(int value)
{
/* no sanity check needed for now */
if (write_acpi_int(display_set_handle, NULL, value, NULL))
- printk(ASUS_WARNING "Error setting display\n");
+ pr_warning("Error setting display\n");
return;
}
@@ -647,7 +654,7 @@ static int read_display(void)
rv = acpi_evaluate_integer(display_get_handle, NULL,
NULL, &value);
if (ACPI_FAILURE(rv))
- printk(ASUS_WARNING "Error reading display status\n");
+ pr_warning("Error reading display status\n");
}
value &= 0x0F; /* needed for some models, shouldn't hurt others */
@@ -689,7 +696,7 @@ static ssize_t store_disp(struct device *dev, struct device_attribute *attr,
static void set_light_sens_switch(int value)
{
if (write_acpi_int(ls_switch_handle, NULL, value, NULL))
- printk(ASUS_WARNING "Error setting light sensor switch\n");
+ pr_warning("Error setting light sensor switch\n");
hotk->light_switch = value;
}
@@ -714,7 +721,7 @@ static ssize_t store_lssw(struct device *dev, struct device_attribute *attr,
static void set_light_sens_level(int value)
{
if (write_acpi_int(ls_level_handle, NULL, value, NULL))
- printk(ASUS_WARNING "Error setting light sensor level\n");
+ pr_warning("Error setting light sensor level\n");
hotk->light_level = value;
}
@@ -812,7 +819,7 @@ static int asus_setkeycode(struct input_dev *dev, int scancode, int keycode)
return -EINVAL;
}
-static void asus_hotk_notify(acpi_handle handle, u32 event, void *data)
+static void asus_hotk_notify(struct acpi_device *device, u32 event)
{
static struct key_entry *key;
u16 count;
@@ -975,11 +982,11 @@ static int asus_hotk_get_info(void)
*/
status = acpi_get_table(ACPI_SIG_DSDT, 1, &asus_info);
if (ACPI_FAILURE(status))
- printk(ASUS_WARNING "Couldn't get the DSDT table header\n");
+ pr_warning("Couldn't get the DSDT table header\n");
/* We have to write 0 on init this far for all ASUS models */
if (write_acpi_int(hotk->handle, "INIT", 0, &buffer)) {
- printk(ASUS_ERR "Hotkey initialization failed\n");
+ pr_err("Hotkey initialization failed\n");
return -ENODEV;
}
@@ -987,9 +994,9 @@ static int asus_hotk_get_info(void)
status =
acpi_evaluate_integer(hotk->handle, "BSTS", NULL, &bsts_result);
if (ACPI_FAILURE(status))
- printk(ASUS_WARNING "Error calling BSTS\n");
+ pr_warning("Error calling BSTS\n");
else if (bsts_result)
- printk(ASUS_NOTICE "BSTS called, 0x%02x returned\n",
+ pr_notice("BSTS called, 0x%02x returned\n",
(uint) bsts_result);
/* This too ... */
@@ -1020,7 +1027,7 @@ static int asus_hotk_get_info(void)
return -ENOMEM;
if (*string)
- printk(ASUS_NOTICE " %s model detected\n", string);
+ pr_notice(" %s model detected\n", string);
ASUS_HANDLE_INIT(mled_set);
ASUS_HANDLE_INIT(tled_set);
@@ -1077,7 +1084,7 @@ static int asus_input_init(void)
hotk->inputdev = input_allocate_device();
if (!hotk->inputdev) {
- printk(ASUS_INFO "Unable to allocate input device\n");
+ pr_info("Unable to allocate input device\n");
return 0;
}
hotk->inputdev->name = "Asus Laptop extra buttons";
@@ -1096,7 +1103,7 @@ static int asus_input_init(void)
}
result = input_register_device(hotk->inputdev);
if (result) {
- printk(ASUS_INFO "Unable to register input device\n");
+ pr_info("Unable to register input device\n");
input_free_device(hotk->inputdev);
}
return result;
@@ -1113,7 +1120,7 @@ static int asus_hotk_check(void)
if (hotk->device->status.present) {
result = asus_hotk_get_info();
} else {
- printk(ASUS_ERR "Hotkey device not present, aborting\n");
+ pr_err("Hotkey device not present, aborting\n");
return -EINVAL;
}
@@ -1124,13 +1131,12 @@ static int asus_hotk_found;
static int asus_hotk_add(struct acpi_device *device)
{
- acpi_status status = AE_OK;
int result;
if (!device)
return -EINVAL;
- printk(ASUS_NOTICE "Asus Laptop Support version %s\n",
+ pr_notice("Asus Laptop Support version %s\n",
ASUS_LAPTOP_VERSION);
hotk = kzalloc(sizeof(struct asus_hotk), GFP_KERNEL);
@@ -1149,15 +1155,6 @@ static int asus_hotk_add(struct acpi_device *device)
asus_hotk_add_fs();
- /*
- * We install the handler, it will receive the hotk in parameter, so, we
- * could add other data to the hotk struct
- */
- status = acpi_install_notify_handler(hotk->handle, ACPI_ALL_NOTIFY,
- asus_hotk_notify, hotk);
- if (ACPI_FAILURE(status))
- printk(ASUS_ERR "Error installing notify handler\n");
-
asus_hotk_found = 1;
/* WLED and BLED are on by default */
@@ -1198,16 +1195,9 @@ end:
static int asus_hotk_remove(struct acpi_device *device, int type)
{
- acpi_status status = 0;
-
if (!device || !acpi_driver_data(device))
return -EINVAL;
- status = acpi_remove_notify_handler(hotk->handle, ACPI_ALL_NOTIFY,
- asus_hotk_notify);
- if (ACPI_FAILURE(status))
- printk(ASUS_ERR "Error removing notify handler\n");
-
kfree(hotk->name);
kfree(hotk);
@@ -1260,8 +1250,7 @@ static int asus_backlight_init(struct device *dev)
bd = backlight_device_register(ASUS_HOTK_FILE, dev,
NULL, &asusbl_ops);
if (IS_ERR(bd)) {
- printk(ASUS_ERR
- "Could not register asus backlight device\n");
+ pr_err("Could not register asus backlight device\n");
asus_backlight_device = NULL;
return PTR_ERR(bd);
}
@@ -1334,7 +1323,6 @@ out:
static int __init asus_laptop_init(void)
{
- struct device *dev;
int result;
if (acpi_disabled)
@@ -1356,24 +1344,10 @@ static int __init asus_laptop_init(void)
return -ENODEV;
}
- dev = acpi_get_physical_device(hotk->device->handle);
-
- if (!acpi_video_backlight_support()) {
- result = asus_backlight_init(dev);
- if (result)
- goto fail_backlight;
- } else
- printk(ASUS_INFO "Brightness ignored, must be controlled by "
- "ACPI video driver\n");
-
result = asus_input_init();
if (result)
goto fail_input;
- result = asus_led_init(dev);
- if (result)
- goto fail_led;
-
/* Register platform stuff */
result = platform_driver_register(&asuspf_driver);
if (result)
@@ -1394,8 +1368,27 @@ static int __init asus_laptop_init(void)
if (result)
goto fail_sysfs;
+ result = asus_led_init(&asuspf_device->dev);
+ if (result)
+ goto fail_led;
+
+ if (!acpi_video_backlight_support()) {
+ result = asus_backlight_init(&asuspf_device->dev);
+ if (result)
+ goto fail_backlight;
+ } else
+ pr_info("Brightness ignored, must be controlled by "
+ "ACPI video driver\n");
+
return 0;
+fail_backlight:
+ asus_led_exit();
+
+fail_led:
+ sysfs_remove_group(&asuspf_device->dev.kobj,
+ &asuspf_attribute_group);
+
fail_sysfs:
platform_device_del(asuspf_device);
@@ -1406,15 +1399,9 @@ fail_platform_device1:
platform_driver_unregister(&asuspf_driver);
fail_platform_driver:
- asus_led_exit();
-
-fail_led:
asus_input_exit();
fail_input:
- asus_backlight_exit();
-
-fail_backlight:
return result;
}