"default is -1 (automatic)");
#endif
-static int kbd_backlight = 1;
+static int kbd_backlight = -1;
module_param(kbd_backlight, int, 0444);
MODULE_PARM_DESC(kbd_backlight,
"set this to 0 to disable keyboard backlight, "
- "1 to enable it (default: 0)");
+ "1 to enable it (default: no change from current value)");
-static int kbd_backlight_timeout; /* = 0 */
+static int kbd_backlight_timeout = -1;
module_param(kbd_backlight_timeout, int, 0444);
MODULE_PARM_DESC(kbd_backlight_timeout,
- "set this to 0 to set the default 10 seconds timeout, "
- "1 for 30 seconds, 2 for 60 seconds and 3 to disable timeout "
- "(default: 0)");
+ "meaningful values vary from 0 to 3 and their meaning depends "
+ "on the model (default: no change from current value)");
#ifdef CONFIG_PM_SLEEP
static void sony_nc_kbd_backlight_resume(void);
static int sony_nc_resume(struct device *dev)
{
struct sony_nc_value *item;
- acpi_handle handle;
for (item = sony_nc_values; item->name; item++) {
int ret;
}
}
- if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
- &handle))) {
+ if (acpi_has_method(sony_nc_acpi_handle, "ECON")) {
int arg = 1;
if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
dprintk("ECON Method failed\n");
}
- if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
- &handle)))
+ if (acpi_has_method(sony_nc_acpi_handle, "SN00"))
sony_nc_function_resume();
return 0;
if (!kbdbl_ctl)
return -ENOMEM;
+ kbdbl_ctl->mode = kbd_backlight;
+ kbdbl_ctl->timeout = kbd_backlight_timeout;
kbdbl_ctl->handle = handle;
if (handle == 0x0137)
kbdbl_ctl->base = 0x0C00;
if (ret)
goto outmode;
- __sony_nc_kbd_backlight_mode_set(kbd_backlight);
- __sony_nc_kbd_backlight_timeout_set(kbd_backlight_timeout);
+ __sony_nc_kbd_backlight_mode_set(kbdbl_ctl->mode);
+ __sony_nc_kbd_backlight_timeout_set(kbdbl_ctl->timeout);
return 0;
static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd)
{
if (kbdbl_ctl) {
- int result;
-
device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr);
-
- /* restore the default hw behaviour */
- sony_call_snc_handle(kbdbl_ctl->handle,
- kbdbl_ctl->base | 0x10000, &result);
- sony_call_snc_handle(kbdbl_ctl->handle,
- kbdbl_ctl->base + 0x200, &result);
-
kfree(kbdbl_ctl);
kbdbl_ctl = NULL;
}
static void sony_nc_backlight_setup(void)
{
- acpi_handle unused;
int max_brightness = 0;
const struct backlight_ops *ops = NULL;
struct backlight_properties props;
sony_nc_backlight_ng_read_limits(0x14c, &sony_bl_props);
max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
- } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
- &unused))) {
+ } else if (acpi_has_method(sony_nc_acpi_handle, "GBRT")) {
ops = &sony_backlight_ops;
max_brightness = SONY_MAX_BRIGHTNESS - 1;
{
acpi_status status;
int result = 0;
- acpi_handle handle;
struct sony_nc_value *item;
pr_info("%s v%s\n", SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
goto outplatform;
}
- if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
- &handle))) {
+ if (acpi_has_method(sony_nc_acpi_handle, "ECON")) {
int arg = 1;
if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
dprintk("ECON Method failed\n");
}
- if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
- &handle))) {
+ if (acpi_has_method(sony_nc_acpi_handle, "SN00")) {
dprintk("Doing SNC setup\n");
/* retrieve the available handles */
result = sony_nc_handles_setup(sony_pf_device);
/* find the available acpiget as described in the DSDT */
for (; item->acpiget && *item->acpiget; ++item->acpiget) {
- if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
- *item->acpiget,
- &handle))) {
+ if (acpi_has_method(sony_nc_acpi_handle,
+ *item->acpiget)) {
dprintk("Found %s getter: %s\n",
item->name, *item->acpiget);
item->devattr.attr.mode |= S_IRUGO;
/* find the available acpiset as described in the DSDT */
for (; item->acpiset && *item->acpiset; ++item->acpiset) {
- if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
- *item->acpiset,
- &handle))) {
+ if (acpi_has_method(sony_nc_acpi_handle,
+ *item->acpiset)) {
dprintk("Found %s setter: %s\n",
item->name, *item->acpiset);
item->devattr.attr.mode |= S_IWUSR;