releases/upstream/2.6.23-rc1/0013-ACPI-thinkpad-acpi-add-power-management-handler-ca.patch

   1 From e295e8508c1dd56e06c73e78a2f67f2eb563e74f Mon Sep 17 00:00:00 2001
   2 From: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
   3 Date: Wed, 18 Jul 2007 23:45:37 -0300
   4 Subject: ACPI: thinkpad-acpi: add power-management handler capability
   5
   6 Some subdrivers could benefit from resume handling, so add the
   7 infrastructure for simple resume handling.
   8
   9 Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
  10 Signed-off-by: Len Brown <len.brown@intel.com>
  11 ---
  12  drivers/misc/thinkpad_acpi.c |   16 ++++++++++++++++
  13  drivers/misc/thinkpad_acpi.h |    1 +
  14  2 files changed, 17 insertions(+), 0 deletions(-)
  15
  16 diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c
  17 index c86b228..78914bf 100644
  18 --- a/drivers/misc/thinkpad_acpi.c
  19 +++ b/drivers/misc/thinkpad_acpi.c
  20 @@ -519,11 +519,27 @@ static struct platform_device *tpacpi_pdev;
  21  static struct class_device *tpacpi_hwmon;
  22  static struct input_dev *tpacpi_inputdev;
  23
  24 +
  25 +static int tpacpi_resume_handler(struct platform_device *pdev)
  26 +{
  27 +       struct ibm_struct *ibm, *itmp;
  28 +
  29 +       list_for_each_entry_safe(ibm, itmp,
  30 +                                &tpacpi_all_drivers,
  31 +                                all_drivers) {
  32 +               if (ibm->resume)
  33 +                       (ibm->resume)();
  34 +       }
  35 +
  36 +       return 0;
  37 +}
  38 +
  39  static struct platform_driver tpacpi_pdriver = {
  40         .driver = {
  41                 .name = IBM_DRVR_NAME,
  42                 .owner = THIS_MODULE,
  43         },
  44 +       .resume = tpacpi_resume_handler,
  45  };
  46
  47
  48 diff --git a/drivers/misc/thinkpad_acpi.h b/drivers/misc/thinkpad_acpi.h
  49 index 00f1bd7..c5c1316 100644
  50 --- a/drivers/misc/thinkpad_acpi.h
  51 +++ b/drivers/misc/thinkpad_acpi.h
  52 @@ -205,6 +205,7 @@ struct ibm_struct {
  53         int (*read) (char *);
  54         int (*write) (char *);
  55         void (*exit) (void);
  56 +       void (*resume) (void);
  57
  58         struct list_head all_drivers;
  59
  60 --
  61 1.5.2.1
  62