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authorHenrique de Moraes Holschuh <hmh@hmh.eng.br>2010-02-25 21:28:58 -0300
committerHenrique de Moraes Holschuh <hmh@hmh.eng.br>2010-02-25 21:34:23 -0300
commitb589ea4c44170d3f7a845684e2d1b3b9571663af (patch)
treee467f59b6ae8e011ed787cb91bd39bbde78a073a /drivers/platform
parent7d1894d8d1c411d2dad95abfe0f65bacf68c4afa (diff)
downloadop-kernel-dev-b589ea4c44170d3f7a845684e2d1b3b9571663af.zip
op-kernel-dev-b589ea4c44170d3f7a845684e2d1b3b9571663af.tar.gz
thinkpad-acpi: fix poll thread auto-start
The driver was not starting the NVRAM polling thread if the input device was bound immediately after registration. This fixes: http://bugzilla.kernel.org/show_bug.cgi?id=15118 Reported-by: Florian Zumbiehl <florz@florz.de> Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Cc: stable@kernel.org
Diffstat (limited to 'drivers/platform')
-rw-r--r--drivers/platform/x86/thinkpad_acpi.c15
1 files changed, 6 insertions, 9 deletions
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 06657b7..933bcc4 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -2607,16 +2607,11 @@ static int hotkey_inputdev_open(struct input_dev *dev)
{
switch (tpacpi_lifecycle) {
case TPACPI_LIFE_INIT:
- /*
- * hotkey_init will call hotkey_poll_setup_safe
- * at the appropriate moment
- */
- return 0;
- case TPACPI_LIFE_EXITING:
- return -EBUSY;
case TPACPI_LIFE_RUNNING:
hotkey_poll_setup_safe(false);
return 0;
+ case TPACPI_LIFE_EXITING:
+ return -EBUSY;
}
/* Should only happen if tpacpi_lifecycle is corrupt */
@@ -2627,7 +2622,7 @@ static int hotkey_inputdev_open(struct input_dev *dev)
static void hotkey_inputdev_close(struct input_dev *dev)
{
/* disable hotkey polling when possible */
- if (tpacpi_lifecycle == TPACPI_LIFE_RUNNING &&
+ if (tpacpi_lifecycle != TPACPI_LIFE_EXITING &&
!(hotkey_source_mask & hotkey_driver_mask))
hotkey_poll_setup_safe(false);
}
@@ -9038,6 +9033,9 @@ static int __init thinkpad_acpi_module_init(void)
return ret;
}
}
+
+ tpacpi_lifecycle = TPACPI_LIFE_RUNNING;
+
ret = input_register_device(tpacpi_inputdev);
if (ret < 0) {
printk(TPACPI_ERR "unable to register input device\n");
@@ -9047,7 +9045,6 @@ static int __init thinkpad_acpi_module_init(void)
tp_features.input_device_registered = 1;
}
- tpacpi_lifecycle = TPACPI_LIFE_RUNNING;
return 0;
}
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