diff options
| author | Lee, Chun-Yi <joeyli.kernel@gmail.com> | 2010-12-13 10:02:41 +0800 |
|---|---|---|
| committer | Matthew Garrett <mjg@redhat.com> | 2011-01-07 17:03:48 -0500 |
| commit | 466449cfe797b8a5d82d25d0e0e08426d8dfba19 (patch) | |
| tree | 03d783cee6b3ec15fc42d24b6f437e380b12acb9 /drivers/platform/x86 | |
| parent | 6c3df88f19375217f0dbfc6160e8c2a635f56c53 (diff) | |
| download | linux-466449cfe797b8a5d82d25d0e0e08426d8dfba19.tar.bz2 | |
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.c | 31 |
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); |