"1 for 30 seconds, 2 for 60 seconds and 3 to disable timeout "
"(default: 0)");
+static void sony_nc_kbd_backlight_resume(void);
+
enum sony_nc_rfkill {
SONY_WIFI,
SONY_BLUETOOTH,
int value; /* current setting */
int valid; /* Has ever been set */
int debug; /* active only in debug mode ? */
- struct device_attribute devattr; /* sysfs atribute */
+ struct device_attribute devattr; /* sysfs attribute */
};
#define SNC_HANDLE_NAMES(_name, _values...) \
if (!handles)
return -ENOMEM;
- sysfs_attr_init(&handles->devattr.attr);
- handles->devattr.attr.name = "handles";
- handles->devattr.attr.mode = S_IRUGO;
- handles->devattr.show = sony_nc_handles_show;
-
for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
if (!acpi_callsetfunc(sony_nc_acpi_handle,
"SN00", i + 0x20, &result)) {
}
}
- /* allow reading capabilities via sysfs */
- if (device_create_file(&pd->dev, &handles->devattr)) {
- kfree(handles);
- handles = NULL;
- return -1;
+ if (debug) {
+ sysfs_attr_init(&handles->devattr.attr);
+ handles->devattr.attr.name = "handles";
+ handles->devattr.attr.mode = S_IRUGO;
+ handles->devattr.show = sony_nc_handles_show;
+
+ /* allow reading capabilities via sysfs */
+ if (device_create_file(&pd->dev, &handles->devattr)) {
+ kfree(handles);
+ handles = NULL;
+ return -1;
+ }
}
return 0;
static int sony_nc_handles_cleanup(struct platform_device *pd)
{
if (handles) {
- device_remove_file(&pd->dev, &handles->devattr);
+ if (debug)
+ device_remove_file(&pd->dev, &handles->devattr);
kfree(handles);
handles = NULL;
}
static int sony_find_snc_handle(int handle)
{
int i;
+
+ /* not initialized yet, return early */
+ if (!handles)
+ return -1;
+
for (i = 0; i < 0x10; i++) {
if (handles->cap[i] == handle) {
dprintk("found handle 0x%.4x (offset: 0x%.2x)\n",
/* re-read rfkill state */
sony_nc_rfkill_update();
+ /* restore kbd backlight states */
+ sony_nc_kbd_backlight_resume();
+
return 0;
}
}
device_enum = (union acpi_object *) buffer.pointer;
- if (!device_enum || device_enum->type != ACPI_TYPE_BUFFER) {
+ if (!device_enum) {
+ pr_err(DRV_PFX "No SN06 return object.");
+ goto out_no_enum;
+ }
+ if (device_enum->type != ACPI_TYPE_BUFFER) {
pr_err(DRV_PFX "Invalid SN06 return object 0x%.2x\n",
device_enum->type);
goto out_no_enum;
#define KBDBL_HANDLER 0x137
#define KBDBL_PRESENT 0xB00
#define SET_MODE 0xC00
+#define SET_STATE 0xD00
#define SET_TIMEOUT 0xE00
struct kbd_backlight {
(value << 0x10) | SET_MODE, &result))
return -EIO;
+ /* Try to turn the light on/off immediately */
+ sony_call_snc_handle(KBDBL_HANDLER, (value << 0x10) | SET_STATE,
+ &result);
+
kbdbl_handle->mode = value;
return 0;
{
int result;
- if (sony_call_snc_handle(0x137, KBDBL_PRESENT, &result))
+ if (sony_call_snc_handle(KBDBL_HANDLER, KBDBL_PRESENT, &result))
return 0;
if (!(result & 0x02))
return 0;
static int sony_nc_kbd_backlight_cleanup(struct platform_device *pd)
{
if (kbdbl_handle) {
+ int result;
+
device_remove_file(&pd->dev, &kbdbl_handle->mode_attr);
device_remove_file(&pd->dev, &kbdbl_handle->timeout_attr);
+
+ /* restore the default hw behaviour */
+ sony_call_snc_handle(KBDBL_HANDLER, 0x1000 | SET_MODE, &result);
+ sony_call_snc_handle(KBDBL_HANDLER, SET_TIMEOUT, &result);
+
kfree(kbdbl_handle);
}
return 0;
}
+static void sony_nc_kbd_backlight_resume(void)
+{
+ int ignore = 0;
+
+ if (!kbdbl_handle)
+ return;
+
+ if (kbdbl_handle->mode == 0)
+ sony_call_snc_handle(KBDBL_HANDLER, SET_MODE, &ignore);
+
+ if (kbdbl_handle->timeout != 0)
+ sony_call_snc_handle(KBDBL_HANDLER,
+ (kbdbl_handle->timeout << 0x10) | SET_TIMEOUT,
+ &ignore);
+}
+
static void sony_nc_backlight_setup(void)
{
acpi_handle unused;
/* request io port */
list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
if (request_region(io->io1.minimum, io->io1.address_length,
- "Sony Programable I/O Device")) {
+ "Sony Programmable I/O Device")) {
dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
io->io1.minimum, io->io1.maximum,
io->io1.address_length);
if (io->io2.minimum) {
if (request_region(io->io2.minimum,
io->io2.address_length,
- "Sony Programable I/O Device")) {
+ "Sony Programmable I/O Device")) {
dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
io->io2.minimum, io->io2.maximum,
io->io2.address_length);