OpenSDV
/
original_kernel
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge branch 'thinkpad' into test

This commit is contained in:
Len Brown 2008-10-22 23:28:48 -04:00
parent acd41d36e5 d64c81c4ce
commit 0ca9413c23
1 changed files with 61 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

63
drivers/misc/thinkpad_acpi.c
View File

@ -158,7 +158,6 @@ enum {
#define TPACPI_INFO KERN_INFO TPACPI_LOG
#define TPACPI_DEBUG KERN_DEBUG TPACPI_LOG
#define TPACPI_DBG_ALL 0xffff
#define TPACPI_DBG_ALL 0xffff
#define TPACPI_DBG_INIT 0x0001
#define TPACPI_DBG_EXIT 0x0002
@ -582,7 +581,8 @@ static int __init register_tpacpi_subdriver(struct ibm_struct *ibm)
ibm->acpi->driver = kzalloc(sizeof(struct acpi_driver), GFP_KERNEL);
if (!ibm->acpi->driver) {
printk(TPACPI_ERR "kzalloc(ibm->driver) failed\n");
printk(TPACPI_ERR
"failed to allocate memory for ibm->acpi->driver\n");
return -ENOMEM;
}
@ -838,6 +838,13 @@ static int parse_strtoul(const char *buf,
return 0;
}
static void tpacpi_disable_brightness_delay(void)
{
if (acpi_evalf(hkey_handle, NULL, "PWMS", "qvd", 0))
printk(TPACPI_NOTICE
"ACPI backlight control delay disabled\n");
}
static int __init tpacpi_query_bcl_levels(acpi_handle handle)
{
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
@ -2139,6 +2146,8 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
if (!tp_features.hotkey)
return 1;
tpacpi_disable_brightness_delay();
hotkey_dev_attributes = create_attr_set(13, NULL);
if (!hotkey_dev_attributes)
return -ENOMEM;
@ -2512,6 +2521,8 @@ static void hotkey_suspend(pm_message_t state)
static void hotkey_resume(void)
{
tpacpi_disable_brightness_delay();
if (hotkey_mask_get())
printk(TPACPI_ERR
"error while trying to read hot key mask "
@ -5983,6 +5994,52 @@ static void fan_exit(void)
flush_workqueue(tpacpi_wq);
}
static void fan_suspend(pm_message_t state)
{
if (!fan_control_allowed)
return;
/* Store fan status in cache */
fan_get_status_safe(NULL);
if (tp_features.fan_ctrl_status_undef)
fan_control_desired_level = TP_EC_FAN_AUTO;
}
static void fan_resume(void)
{
u8 saved_fan_level;
u8 current_level = 7;
bool do_set = false;
/* DSDT *always* updates status on resume */
tp_features.fan_ctrl_status_undef = 0;
saved_fan_level = fan_control_desired_level;
if (!fan_control_allowed ||
(fan_get_status_safe(&current_level) < 0))
return;
switch (fan_control_access_mode) {
case TPACPI_FAN_WR_ACPI_SFAN:
do_set = (saved_fan_level > current_level);
break;
case TPACPI_FAN_WR_ACPI_FANS:
case TPACPI_FAN_WR_TPEC:
do_set = ((saved_fan_level & TP_EC_FAN_FULLSPEED) ||
(saved_fan_level == 7 &&
!(current_level & TP_EC_FAN_FULLSPEED)));
break;
default:
return;
}
if (do_set) {
printk(TPACPI_NOTICE
"restoring fan level to 0x%02x\n",
saved_fan_level);
fan_set_level_safe(saved_fan_level);
}
}
static int fan_read(char *p)
{
int len = 0;
@ -6174,6 +6231,8 @@ static struct ibm_struct fan_driver_data = {
.read = fan_read,
.write = fan_write,
.exit = fan_exit,
.suspend = fan_suspend,
.resume = fan_resume,
};
/****************************************************************************