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authorCorentin Chary <corentincj@iksaif.net>2009-11-28 10:27:51 +0100
committerCorentin Chary <corentincj@iksaif.net>2010-02-28 19:35:09 +0100
commitd8c6732382a24d2ef23665207263a17f04e3d75a (patch)
treecfb762bb88b4acf95f7d25cbd43d1f999d54e8c7 /drivers/platform
parente5b50f6a2b00de266f03c2c7219b798648124ea5 (diff)
asus-laptop: simplify write_acpi_int
We only need a buffer for "INIT". Adds write_acpi_init_ret for it. Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Diffstat (limited to 'drivers/platform')
-rw-r--r--drivers/platform/x86/asus-laptop.c27
1 files changed, 16 insertions, 11 deletions
diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c
index 013ab86b1c8d..7058cb56f338 100644
--- a/drivers/platform/x86/asus-laptop.c
+++ b/drivers/platform/x86/asus-laptop.c
@@ -352,8 +352,8 @@ static struct key_entry asus_keymap[] = {
*
* 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)
+static int write_acpi_int_ret(acpi_handle handle, const char *method, int val,
+ struct acpi_buffer *output)
{
struct acpi_object_list params; /* list of input parameters (an int) */
union acpi_object in_obj; /* the only param we use */
@@ -374,6 +374,11 @@ static int write_acpi_int(acpi_handle handle, const char *method, int val,
return -1;
}
+static int write_acpi_int(acpi_handle handle, const char *method, int val)
+{
+ return write_acpi_int_ret(handle, method, val, NULL);
+}
+
static int read_wireless_status(int mask)
{
unsigned long long status;
@@ -437,7 +442,7 @@ static void write_status(acpi_handle handle, int out, int mask)
break;
}
- if (write_acpi_int(handle, NULL, out, NULL))
+ if (write_acpi_int(handle, NULL, out))
pr_warning(" write failed %x\n", mask);
}
@@ -496,7 +501,7 @@ static int set_kled_lvl(int kblv)
else
kblv = 0;
- if (write_acpi_int(kled_set_handle, NULL, kblv, NULL)) {
+ if (write_acpi_int(kled_set_handle, NULL, kblv)) {
pr_warning("Keyboard LED display write failed\n");
return -EINVAL;
}
@@ -571,7 +576,7 @@ static int read_brightness(struct backlight_device *bd)
static int set_brightness(struct backlight_device *bd, int value)
{
- if (write_acpi_int(brightness_set_handle, NULL, value, NULL)) {
+ if (write_acpi_int(brightness_set_handle, NULL, value)) {
pr_warning("Error changing brightness\n");
return -EIO;
}
@@ -710,7 +715,7 @@ 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))
pr_warning("LED display write failed\n");
else
hotk->ledd_status = (u32) value;
@@ -755,7 +760,7 @@ 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))
pr_warning("Error setting display\n");
return;
}
@@ -814,7 +819,7 @@ 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))
pr_warning("Error setting light sensor switch\n");
hotk->light_switch = value;
}
@@ -839,7 +844,7 @@ 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))
pr_warning("Error setting light sensor level\n");
hotk->light_level = value;
}
@@ -1104,7 +1109,7 @@ static int asus_hotk_get_info(void)
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)) {
+ if (write_acpi_int_ret(hotk->handle, "INIT", 0, &buffer)) {
pr_err("Hotkey initialization failed\n");
return -ENODEV;
}
@@ -1119,7 +1124,7 @@ static int asus_hotk_get_info(void)
(uint) bsts_result);
/* This too ... */
- write_acpi_int(hotk->handle, "CWAP", wapf, NULL);
+ write_acpi_int(hotk->handle, "CWAP", wapf);
/*
* Try to match the object returned by INIT to the specific model.