sony_nc_notify rewritten (and placed near the other acpi callbacks), the
hotkey decoding code move to a new function sony_nc_hotkeys_decode. Now
generating acpi netlink events too.
Signed-off-by: Marco Chiappero <marco@xxxxxxxxxx>
---
--- a/drivers/platform/x86/sony-laptop.c
+++ b/drivers/platform/x86/sony-laptop.c
@@ -1151,62 +1151,6 @@ static struct sony_nc_event sony_127_eve
/*
* ACPI callbacks
*/
-static void sony_nc_notify(struct acpi_device *device, u32 event)
-{
- u32 ev = event;
-
- if (ev >= 0x90) {
- /* New-style event */
- unsigned int result;
- int key_handle = 0;
- ev -= 0x90;
-
- if (sony_find_snc_handle(0x100) == ev)
- key_handle = 0x100;
- if (sony_find_snc_handle(0x127) == ev)
- key_handle = 0x127;
-
- if (key_handle) {
- struct sony_nc_event *key_event;
-
- if (sony_call_snc_handle(key_handle, 0x200, &result)) {
- dprintk("sony_nc_notify, unable to decode"
- " event 0x%.2x 0x%.2x\n", key_handle,
- ev);
- /* restore the original event */
- ev = event;
- } else {
- ev = result & 0xFF;
-
- if (key_handle == 0x100)
- key_event = sony_100_events;
- else
- key_event = sony_127_events;
-
- for (; key_event->data; key_event++) {
- if (key_event->data == ev) {
- ev = key_event->event;
- break;
- }
- }
-
- if (!key_event->data)
- pr_info("Unknown event: 0x%x 0x%x\n",
- key_handle, ev);
- else
- sony_laptop_report_input_event(ev);
- }
- } else if (sony_find_snc_handle(sony_rfkill_handle) == ev) {
- sony_nc_rfkill_update();
- return;
- }
- } else
- sony_laptop_report_input_event(ev);
-
- dprintk("sony_nc_notify, event: 0x%.2x\n", ev);
- acpi_bus_generate_proc_event(sony_nc_acpi_device, 1, ev);
-}
-
static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
void *context, void **return_value)
{
@@ -1237,6 +1181,42 @@ static int sony_nc_function_setup(unsign
return 0;
}
+static int sony_nc_hotkeys_decode(unsigned int handle)
+{
+ int ret = 0;
+ unsigned int result = 0;
+ struct sony_nc_event *key_event;
+
+ if (sony_call_snc_handle(handle, 0x200, &result)) {
+ dprintk("sony_nc_hotkeys_decode,"
+ " unable to retrieve the hotkey\n");
+ ret = -1;
+ } else {
+ result &= 0xff;
+
+ if (handle == 0x100)
+ key_event = sony_100_events;
+ else
+ key_event = sony_127_events;
+
+ for (; key_event->data; key_event++) {
+ if (key_event->data == result) {
+ ret = key_event->event;
+ break;
+ }
+ }
+
+ if (!key_event->data)
+ pr_info("Unknown hotkey 0x%.2x (handle 0x%.2x)\n",
+ result, handle);
+ else
+ dprintk("sony_nc_hotkeys_decode, hotkey 0x%.2x decoded "
+ "to event 0x%.2x\n", result, ret);
+ }
+
+ return ret;
+}
+
static void sony_nc_rfkill_cleanup(void)
{
int i;
@@ -1864,6 +1844,52 @@ static int sony_nc_snc_resume(void)
return 0;
}
+static void sony_nc_notify(struct acpi_device *device, u32 event)
+{
+ u8 ev = 0;
+ int value = 0;
+
+ dprintk("sony_nc_notify, event: 0x%.2x\n", event);
+
+ /* handles related events */
+ if (event >= 0x90) {
+ unsigned int result = 0, handle = 0;
+
+ /* the event should corrispond to the offset of the method */
+ unsigned int offset = event - 0x90;
+
+ handle = handles->cap[offset];
+ switch (handle) {
+ /* list of handles known for generating events */
+ case 0x0100:
+ case 0x0127:
+ /* hotkey event, a key has been pressed, retrieve it */
+ value = sony_nc_hotkeys_decode(handle);
+ if (value > 0) /* known event */
+ sony_laptop_report_input_event(value);
+ /* else unknown event or failure, do nothing */
+ ev = 1;
+ break;
+
+ default:
+ value = event;
+ dprintk("Unknowk event for handle: 0x%x\n", handle);
+ break;
+ }
+
+ /* clear the event (and the event reason when present) */
+ acpi_callsetfunc(sony_nc_acpi_handle, "SN05", 1 << offset,
+ &result);
+ } else {
+ ev = 1;
+ sony_laptop_report_input_event(event);
+ }
+
+ acpi_bus_generate_proc_event(device, ev, value);
+ acpi_bus_generate_netlink_event(device->pnp.device_class,
+ dev_name(&device->dev), ev, value);
+}
+
static int sony_nc_add(struct acpi_device *device)
{
acpi_status status;
--
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