From 88c69e8d13e46c2cab995743a42d195dc8b91882 Mon Sep 17 00:00:00 2001 From: Henrique de Moraes Holschuh Date: Thu, 25 Feb 2010 21:28:58 -0300 Subject: thinkpad-acpi: fix poll thread auto-start commit b589ea4c44170d3f7a845684e2d1b3b9571663af upstream. 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 Signed-off-by: Henrique de Moraes Holschuh Signed-off-by: Greg Kroah-Hartman --- drivers/platform/x86/thinkpad_acpi.c | 15 ++++++--------- 1 file changed, 6 insertions(+), 9 deletions(-) diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index 9a765a856757..a7e2153d5378 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -2597,16 +2597,11 @@ 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 */ @@ -2617,7 +2612,7 @@ 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); } @@ -8362,6 +8357,9 @@ 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"); @@ -8371,7 +8369,6 @@ static int __init thinkpad_acpi_module_init(void) tp_features.input_device_registered = 1; } - tpacpi_lifecycle = TPACPI_LIFE_RUNNING; return 0; } -- cgit v1.2.3