diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-04-05 11:16:25 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-04-05 11:16:25 -0700 |
commit | 32fb6c17566ec66de87324a834c7776f40e35e78 (patch) | |
tree | 87b8ed5d66495536fbb452255c3eacd1cfb0c43a /drivers/acpi/fan.c | |
parent | 45e36c1666aa6c8b0c538abcf984b336184d8c3f (diff) | |
parent | 7ec0a7290797f57b780f792d12f4bcc19c83aa4f (diff) |
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (140 commits)
ACPI: processor: use .notify method instead of installing handler directly
ACPI: button: use .notify method instead of installing handler directly
ACPI: support acpi_device_ops .notify methods
toshiba-acpi: remove MAINTAINERS entry
ACPI: battery: asynchronous init
acer-wmi: Update copyright notice & documentation
acer-wmi: Cleanup the failure cleanup handling
acer-wmi: Blacklist Acer Aspire One
video: build fix
thinkpad-acpi: rework brightness support
thinkpad-acpi: enhanced debugging messages for the fan subdriver
thinkpad-acpi: enhanced debugging messages for the hotkey subdriver
thinkpad-acpi: enhanced debugging messages for rfkill subdrivers
thinkpad-acpi: restrict access to some firmware LEDs
thinkpad-acpi: remove HKEY disable functionality
thinkpad-acpi: add new debug helpers and warn of deprecated atts
thinkpad-acpi: add missing log levels
thinkpad-acpi: cleanup debug helpers
thinkpad-acpi: documentation cleanup
thinkpad-acpi: drop ibm-acpi alias
...
Diffstat (limited to 'drivers/acpi/fan.c')
-rw-r--r-- | drivers/acpi/fan.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c index 8a02944bf92..53698ea0837 100644 --- a/drivers/acpi/fan.c +++ b/drivers/acpi/fan.c @@ -68,31 +68,35 @@ static struct acpi_driver acpi_fan_driver = { }; /* thermal cooling device callbacks */ -static int fan_get_max_state(struct thermal_cooling_device *cdev, char *buf) +static int fan_get_max_state(struct thermal_cooling_device *cdev, unsigned long + *state) { /* ACPI fan device only support two states: ON/OFF */ - return sprintf(buf, "1\n"); + *state = 1; + return 0; } -static int fan_get_cur_state(struct thermal_cooling_device *cdev, char *buf) +static int fan_get_cur_state(struct thermal_cooling_device *cdev, unsigned long + *state) { struct acpi_device *device = cdev->devdata; - int state; int result; + int acpi_state; if (!device) return -EINVAL; - result = acpi_bus_get_power(device->handle, &state); + result = acpi_bus_get_power(device->handle, &acpi_state); if (result) return result; - return sprintf(buf, "%s\n", state == ACPI_STATE_D3 ? "0" : - (state == ACPI_STATE_D0 ? "1" : "unknown")); + *state = (acpi_state == ACPI_STATE_D3 ? 0 : + (acpi_state == ACPI_STATE_D0 ? 1 : -1)); + return 0; } static int -fan_set_cur_state(struct thermal_cooling_device *cdev, unsigned int state) +fan_set_cur_state(struct thermal_cooling_device *cdev, unsigned long state) { struct acpi_device *device = cdev->devdata; int result; |