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asus-laptop new write_acpi_int

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Just a little modification of write_acpi_int

Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Corentin CHARY 2008-01-16 16:56:42 +01:00 committed by Len Brown
parent 488b5ec871
commit f8d1c94b34
1 changed files with 15 additions and 9 deletions
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24
drivers/misc/asus-laptop.c
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@ -254,7 +254,7 @@ ASUS_LED(gled, "gaming");
* method is searched within the scope of the handle, can be NULL. The output
* of the method is written is output, which can also be NULL
*
* returns 1 if write is successful, 0 else.
* returns 0 if write is successful, -1 else.
*/
static int write_acpi_int(acpi_handle handle, const char *method, int val,
struct acpi_buffer *output)
@ -263,13 +263,19 @@ static int write_acpi_int(acpi_handle handle, const char *method, int val,
union acpi_object in_obj; //the only param we use
acpi_status status;
if (!handle)
return 0;
params.count = 1;
params.pointer = &in_obj;
in_obj.type = ACPI_TYPE_INTEGER;
in_obj.integer.value = val;
status = acpi_evaluate_object(handle, (char *)method, &params, output);
return (status == AE_OK);
if (status == AE_OK)
return 0;
else
return -1;
}
static int read_wireless_status(int mask)
@ -335,7 +341,7 @@ static void write_status(acpi_handle handle, int out, int mask)
break;
}
if (handle && !write_acpi_int(handle, NULL, out, NULL))
if (write_acpi_int(handle, NULL, out, NULL))
printk(ASUS_WARNING " write failed %x\n", mask);
}
@ -415,7 +421,7 @@ static int set_brightness(struct backlight_device *bd, int value)
value = (0 < value) ? ((15 < value) ? 15 : value) : 0;
/* 0 <= value <= 15 */
if (!write_acpi_int(brightness_set_handle, NULL, value, NULL)) {
if (write_acpi_int(brightness_set_handle, NULL, value, NULL)) {
printk(ASUS_WARNING "Error changing brightness\n");
ret = -EIO;
}
@ -545,7 +551,7 @@ 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))
if (write_acpi_int(ledd_set_handle, NULL, value, NULL))
printk(ASUS_WARNING "LED display write failed\n");
else
hotk->ledd_status = (u32) value;
@ -590,7 +596,7 @@ static ssize_t store_bluetooth(struct device *dev,
static void set_display(int value)
{
/* no sanity check needed for now */
if (!write_acpi_int(display_set_handle, NULL, value, NULL))
if (write_acpi_int(display_set_handle, NULL, value, NULL))
printk(ASUS_WARNING "Error setting display\n");
return;
}
@ -647,7 +653,7 @@ 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))
if (write_acpi_int(ls_switch_handle, NULL, value, NULL))
printk(ASUS_WARNING "Error setting light sensor switch\n");
hotk->light_switch = value;
}
@ -672,7 +678,7 @@ 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))
if (write_acpi_int(ls_level_handle, NULL, value, NULL))
printk(ASUS_WARNING "Error setting light sensor level\n");
hotk->light_level = value;
}
@ -860,7 +866,7 @@ static int asus_hotk_get_info(void)
printk(ASUS_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)) {
if (write_acpi_int(hotk->handle, "INIT", 0, &buffer)) {
printk(ASUS_ERR "Hotkey initialization failed\n");
return -ENODEV;
}