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| author | Corentin Chary <corentincj@iksaif.net> | 2011-02-06 13:28:32 +0100 |
|---|---|---|
| committer | Matthew Garrett <mjg@redhat.com> | 2011-03-28 06:05:16 -0400 |
| commit | 0773d7f9f1c0ad5fb86d23ad7e4ef5bfd2f48b5e (patch) | |
| tree | 91bfeeeb9b8932c99bdd1407b1b3071fa209eb9b /drivers/platform/x86/eeepc-wmi.c | |
| parent | 5c95638d115f9c6661fff254b3beb14b19f88e41 (diff) | |
| download | kernel_samsung_smdk4412-0773d7f9f1c0ad5fb86d23ad7e4ef5bfd2f48b5e.zip kernel_samsung_smdk4412-0773d7f9f1c0ad5fb86d23ad7e4ef5bfd2f48b5e.tar.gz kernel_samsung_smdk4412-0773d7f9f1c0ad5fb86d23ad7e4ef5bfd2f48b5e.tar.bz2 | |
eeepc-wmi: add hibernate/resume callbacks
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Diffstat (limited to 'drivers/platform/x86/eeepc-wmi.c')
| -rw-r--r-- | drivers/platform/x86/eeepc-wmi.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/drivers/platform/x86/eeepc-wmi.c b/drivers/platform/x86/eeepc-wmi.c index de501fb..583ba78 100644 --- a/drivers/platform/x86/eeepc-wmi.c +++ b/drivers/platform/x86/eeepc-wmi.c @@ -1183,10 +1183,59 @@ static int eeepc_wmi_remove(struct platform_device *device) return 0; } +/* + * Platform driver - hibernate/resume callbacks + */ +static int eeepc_hotk_thaw(struct device *device) +{ + struct eeepc_wmi *eeepc = dev_get_drvdata(device); + + if (eeepc->wlan_rfkill) { + bool wlan; + + /* + * Work around bios bug - acpi _PTS turns off the wireless led + * during suspend. Normally it restores it on resume, but + * we should kick it ourselves in case hibernation is aborted. + */ + wlan = eeepc_wmi_get_devstate_simple(EEEPC_WMI_DEVID_WLAN); + eeepc_wmi_set_devstate(EEEPC_WMI_DEVID_WLAN, wlan, NULL); + } + + return 0; +} + +static int eeepc_hotk_restore(struct device *device) +{ + struct eeepc_wmi *eeepc = dev_get_drvdata(device); + int bl; + + /* Refresh both wlan rfkill state and pci hotplug */ + if (eeepc->wlan_rfkill) + eeepc_rfkill_hotplug(eeepc); + + if (eeepc->bluetooth_rfkill) { + bl = !eeepc_wmi_get_devstate_simple(EEEPC_WMI_DEVID_BLUETOOTH); + rfkill_set_sw_state(eeepc->bluetooth_rfkill, bl); +} + if (eeepc->wwan3g_rfkill) { + bl = !eeepc_wmi_get_devstate_simple(EEEPC_WMI_DEVID_WWAN3G); + rfkill_set_sw_state(eeepc->wwan3g_rfkill, bl); + } + + return 0; +} + +static const struct dev_pm_ops eeepc_pm_ops = { + .thaw = eeepc_hotk_thaw, + .restore = eeepc_hotk_restore, +}; + static struct platform_driver platform_driver = { .driver = { .name = EEEPC_WMI_FILE, .owner = THIS_MODULE, + .pm = &eeepc_pm_ops, }, }; |