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Old 07-07-2011, 05:30 PM
Seth Forshee
 
Default Fix wlan soft block issues on Acer Aspire 1830

All patches are either upstream backports or queued for upstream in the
platform-drivers-x86 tree.


SRU Justification

Impact: The wlan on the Acer Aspire 1830 always has a soft block applied
due to incorrect values read from the BIOS on periodic updates.

Fix: Backport patch that makes this model use WMI events to update
rfkill states instead of periodic polling. Data in WMI events accurately
reflects the status of the blocks. The backport results in a wlan soft
block when pressing the touchpad hotkey, so also include a fix to only
update rfkill states when wireless hotkeys are pressed as well as a
trivial patch to support the wlan hotkey on this model.

Test case: Verify that wlan soft block can be removed, wlan hotkey
functions, and touchpad hotkey does not affect wlan on the affected
model. Tested on LP #771758.


The following changes since commit c37dcf3c2155becf5f2a2cd650fafff8960cb6e9:

UBUNTU: Ubuntu-2.6.38-10.46 (2011-06-28 14:38:06 +0100)

are available in the git repository at:
git://kernel.ubuntu.com/sforshee/ubuntu-natty.git acer-wmi

Lee, Chun-Yi (1):
acer-wmi: does not poll device status when WMI event is available

Seth Forshee (2):
acer-wmi: Only update rfkill status for associated hotkey events
acer-wmi: Add support for Aspire 1830 wlan hotkey

drivers/platform/x86/acer-wmi.c | 39 ++++++++++++++++++++++++++++++++++-----
1 files changed, 34 insertions(+), 5 deletions(-)

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