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authorLee, Chun-Yi <joeyli.kernel@gmail.com>2010-12-13 10:02:41 +0800
committerMatthew Garrett <mjg@redhat.com>2011-01-07 17:03:48 -0500
commit466449cfe797b8a5d82d25d0e0e08426d8dfba19 (patch)
tree03d783cee6b3ec15fc42d24b6f437e380b12acb9 /drivers/platform/x86
parent6c3df88f19375217f0dbfc6160e8c2a635f56c53 (diff)
downloadlinux-linaro-stable-466449cfe797b8a5d82d25d0e0e08426d8dfba19.tar.gz
acer-wmi: Initialize wlan/bluetooth/wwan rfkill software block state
Initial wlan/bluetooth/wwan rfkill software block state when acer-wmi driver probe. Acer notebook can save the devices state and this patch can use it to initial the devices' rfkill state. Signed-off-by: Lee, Chun-Yi <jlee@novell.com> Acked-by: Thomas Renninger <trenn@suse.de> Cc: Carlos Corbacho <carlos@strangeworlds.co.uk> Signed-off-by: Matthew Garrett <mjg@redhat.com>
Diffstat (limited to 'drivers/platform/x86')
-rw-r--r--drivers/platform/x86/acer-wmi.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c
index 583565a8bbce..d80db0899382 100644
--- a/drivers/platform/x86/acer-wmi.c
+++ b/drivers/platform/x86/acer-wmi.c
@@ -1085,6 +1085,31 @@ static acpi_status wmid3_get_device_status(u32 *value, u16 device)
return status;
}
+static acpi_status get_device_status(u32 *value, u32 cap)
+{
+ if (wmi_has_guid(WMID_GUID3)) {
+ u16 device;
+
+ switch (cap) {
+ case ACER_CAP_WIRELESS:
+ device = ACER_WMID3_GDS_WIRELESS;
+ break;
+ case ACER_CAP_BLUETOOTH:
+ device = ACER_WMID3_GDS_BLUETOOTH;
+ break;
+ case ACER_CAP_THREEG:
+ device = ACER_WMID3_GDS_THREEG;
+ break;
+ default:
+ return AE_ERROR;
+ }
+ return wmid3_get_device_status(value, device);
+
+ } else {
+ return get_u32(value, cap);
+ }
+}
+
/*
* Rfkill devices
*/
@@ -1135,6 +1160,8 @@ static struct rfkill *acer_rfkill_register(struct device *dev,
{
int err;
struct rfkill *rfkill_dev;
+ u32 state;
+ acpi_status status;
rfkill_dev = rfkill_alloc(name, dev, type,
&acer_rfkill_ops,
@@ -1142,6 +1169,10 @@ static struct rfkill *acer_rfkill_register(struct device *dev,
if (!rfkill_dev)
return ERR_PTR(-ENOMEM);
+ status = get_device_status(&state, cap);
+ if (ACPI_SUCCESS(status))
+ rfkill_init_sw_state(rfkill_dev, !state);
+
err = rfkill_register(rfkill_dev);
if (err) {
rfkill_destroy(rfkill_dev);