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hp-wmi: Fix wifi cannot be hard-unblocked

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commit fc8a601e11 upstream.

Several users reported wifi cannot be unblocked as discussed in [1].
This patch removes the use of the 2009 flag by BIOS but uses the actual
WMI function calls - it will be skipped if WMI reports unsupported.

[1] https://bugzilla.kernel.org/show_bug.cgi?id=69131

Signed-off-by: Alex Hung <alex.hung@canonical.com>
Tested-by: Evgenii Shatokhin <eugene.shatokhin@yandex.ru>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alex Hung
2016-06-13 19:44:00 +08:00
committed by Greg Kroah-Hartman
parent 987f47360d
commit ada15c3c65
1 changed files with 6 additions and 1 deletions
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7
drivers/platform/x86/hp-wmi.c
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@@ -718,6 +718,11 @@ static int __init hp_wmi_rfkill_setup(struct platform_device *device)
if (err) if (err)
return err; return err;
err = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 1, &wireless,
sizeof(wireless), 0);
if (err)
return err;
if (wireless & 0x1) { if (wireless & 0x1) {
wifi_rfkill = rfkill_alloc("hp-wifi", &device->dev, wifi_rfkill = rfkill_alloc("hp-wifi", &device->dev,
RFKILL_TYPE_WLAN, RFKILL_TYPE_WLAN,
@@ -882,7 +887,7 @@ static int __init hp_wmi_bios_setup(struct platform_device *device)
wwan_rfkill = NULL; wwan_rfkill = NULL;
rfkill2_count = 0; rfkill2_count = 0;
if (hp_wmi_bios_2009_later() || hp_wmi_rfkill_setup(device)) if (hp_wmi_rfkill_setup(device))
hp_wmi_rfkill2_setup(device); hp_wmi_rfkill2_setup(device);
err = device_create_file(&device->dev, &dev_attr_display); err = device_create_file(&device->dev, &dev_attr_display);