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ACPI: thinkpad-acpi: add power-management handler capability

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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>
This commit is contained in:
Henrique de Moraes Holschuh 2007-07-18 23:45:37 -03:00 committed by Len Brown
parent 1a343760b5
commit e295e8508c
2 changed files with 17 additions and 0 deletions
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16
drivers/misc/thinkpad_acpi.c
View file

@ -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,
};

1
drivers/misc/thinkpad_acpi.h
View file

@ -205,6 +205,7 @@ struct ibm_struct {
int (*read) (char *);
int (*write) (char *);
void (*exit) (void);
void (*resume) (void);
struct list_head all_drivers;