diff options
| author | Henrique de Moraes Holschuh <hmh@hmh.eng.br> | 2007-07-18 23:45:37 -0300 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2007-07-21 23:46:08 -0400 |
| commit | e295e8508c1dd56e06c73e78a2f67f2eb563e74f (patch) | |
| tree | 076ac3317d2158e76d1326912f190c354f895b65 /drivers | |
| parent | 1a343760b516ca5466d201bec32b1794858b18a5 (diff) | |
| download | lwn-e295e8508c1dd56e06c73e78a2f67f2eb563e74f.tar.gz lwn-e295e8508c1dd56e06c73e78a2f67f2eb563e74f.zip | |
ACPI: thinkpad-acpi: add power-management handler capability
Some subdrivers could benefit from resume handling, so add the
infrastructure for simple resume 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.c | 16 | ||||
| -rw-r--r-- | drivers/misc/thinkpad_acpi.h | 1 |
2 files changed, 17 insertions, 0 deletions
diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c index c86b228375cc..78914bf2166d 100644 --- a/drivers/misc/thinkpad_acpi.c +++ b/drivers/misc/thinkpad_acpi.c @@ -519,11 +519,27 @@ static struct platform_device *tpacpi_pdev; static struct class_device *tpacpi_hwmon; static struct input_dev *tpacpi_inputdev; + +static int tpacpi_resume_handler(struct platform_device *pdev) +{ + struct ibm_struct *ibm, *itmp; + + list_for_each_entry_safe(ibm, itmp, + &tpacpi_all_drivers, + all_drivers) { + if (ibm->resume) + (ibm->resume)(); + } + + return 0; +} + static struct platform_driver tpacpi_pdriver = { .driver = { .name = IBM_DRVR_NAME, .owner = THIS_MODULE, }, + .resume = tpacpi_resume_handler, }; diff --git a/drivers/misc/thinkpad_acpi.h b/drivers/misc/thinkpad_acpi.h index 00f1bd73df8f..c5c1316ae3a6 100644 --- a/drivers/misc/thinkpad_acpi.h +++ b/drivers/misc/thinkpad_acpi.h @@ -205,6 +205,7 @@ struct ibm_struct { int (*read) (char *); int (*write) (char *); void (*exit) (void); + void (*resume) (void); struct list_head all_drivers; |