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authorHenrique de Moraes Holschuh <hmh@hmh.eng.br>2007-09-23 16:39:05 +0200
committerLen Brown <len.brown@intel.com>2007-09-24 04:38:15 +0200
commit3e5ce914bd17335ca74a7c7b06a776c6be6ca434 (patch)
tree27e8bb857b1c4da34fa131816e08c6a398852adc /drivers
parentACPI: thinkpad-acpi: dequeue all pending hot key events at once (v2.2) (diff)
downloadlinux-3e5ce914bd17335ca74a7c7b06a776c6be6ca434.tar.xz
linux-3e5ce914bd17335ca74a7c7b06a776c6be6ca434.zip
ACPI: thinkpad-acpi: fix regression on HKEY LID event handling
We were letting ThinkPad-specific LID events through to userspace again, instead of dropping them. Fix it. We don't want to give userspace the option of not using generic LID handling. Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/misc/thinkpad_acpi.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c
index 3efe81b1b73c..0a33c6ee4508 100644
--- a/drivers/misc/thinkpad_acpi.c
+++ b/drivers/misc/thinkpad_acpi.c
@@ -1197,6 +1197,7 @@ static void hotkey_notify(struct ibm_struct *ibm, u32 event)
u32 hkey;
unsigned int keycode, scancode;
int send_acpi_ev;
+ int ignore_acpi_ev;
if (event != 0x80) {
printk(IBM_ERR "unknown HKEY notification event %d\n", event);
@@ -1219,6 +1220,7 @@ static void hotkey_notify(struct ibm_struct *ibm, u32 event)
}
send_acpi_ev = 0;
+ ignore_acpi_ev = 0;
switch (hkey >> 12) {
case 1:
@@ -1244,6 +1246,8 @@ static void hotkey_notify(struct ibm_struct *ibm, u32 event)
"unknown LID-related HKEY event: 0x%04x\n",
hkey);
send_acpi_ev = 1;
+ } else {
+ ignore_acpi_ev = 1;
}
break;
case 7:
@@ -1263,11 +1267,12 @@ static void hotkey_notify(struct ibm_struct *ibm, u32 event)
}
/* Legacy events */
- if (send_acpi_ev || hotkey_report_mode < 2)
+ if (!ignore_acpi_ev && (send_acpi_ev || hotkey_report_mode < 2)) {
acpi_bus_generate_proc_event(ibm->acpi->device, event, hkey);
+ }
/* netlink events */
- if (send_acpi_ev) {
+ if (!ignore_acpi_ev && send_acpi_ev) {
acpi_bus_generate_netlink_event(ibm->acpi->device->pnp.device_class,
ibm->acpi->device->dev.bus_id,
event, hkey);