Add a handler for suspend events.
Signed-off-by: Henrique de Moraes Holschuh <hmh@xxxxxxxxxx>
---
drivers/misc/thinkpad_acpi.c | 17 +++++++++++++++++
1 files changed, 17 insertions(+), 0 deletions(-)
diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c
index b650dee..e799a74 100644
--- a/drivers/misc/thinkpad_acpi.c
+++ b/drivers/misc/thinkpad_acpi.c
@@ -188,6 +188,7 @@ struct ibm_struct {
int (*write) (char *);
void (*exit) (void);
void (*resume) (void);
+ void (*suspend) (pm_message_t state);
struct list_head all_drivers;
@@ -658,6 +659,21 @@ static struct input_dev *tpacpi_inputdev;
static struct mutex tpacpi_inputdev_send_mutex;
static LIST_HEAD(tpacpi_all_drivers);
+static int tpacpi_suspend_handler(struct platform_device *pdev,
+ pm_message_t state)
+{
+ struct ibm_struct *ibm, *itmp;
+
+ list_for_each_entry_safe(ibm, itmp,
+ &tpacpi_all_drivers,
+ all_drivers) {
+ if (ibm->suspend)
+ (ibm->suspend)(state);
+ }
+
+ return 0;
+}
+
static int tpacpi_resume_handler(struct platform_device *pdev)
{
struct ibm_struct *ibm, *itmp;
@@ -677,6 +693,7 @@ static struct platform_driver tpacpi_pdriver = {
.name = TPACPI_DRVR_NAME,
.owner = THIS_MODULE,
},
+ .suspend = tpacpi_suspend_handler,
.resume = tpacpi_resume_handler,
};
--
1.5.3.4
-
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