diff options
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | 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 dd6fa81fa86..c6c25a460c9 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, }; |