acerhdf.c (1ee14820fd8ee79c4fc191155f48c985f28040e2) acerhdf.c (7f4957be0d5b83c8964491863202136c916107ae)
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * acerhdf - A driver which monitors the temperature
4 * of the aspire one netbook, turns on/off the fan
5 * as soon as the upper/lower threshold is reached.
6 *
7 * (C) 2009 - Peter Kaestle peter (a) piie.net
8 * http://piie.net

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392 }
393 return 0;
394}
395
396static inline void acerhdf_revert_to_bios_mode(void)
397{
398 acerhdf_change_fanstate(ACERHDF_FAN_AUTO);
399 kernelmode = 0;
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * acerhdf - A driver which monitors the temperature
4 * of the aspire one netbook, turns on/off the fan
5 * as soon as the upper/lower threshold is reached.
6 *
7 * (C) 2009 - Peter Kaestle peter (a) piie.net
8 * http://piie.net

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392 }
393 return 0;
394}
395
396static inline void acerhdf_revert_to_bios_mode(void)
397{
398 acerhdf_change_fanstate(ACERHDF_FAN_AUTO);
399 kernelmode = 0;
400 if (thz_dev) {
401 thz_dev->mode = THERMAL_DEVICE_DISABLED;
400 if (thz_dev)
402 thz_dev->polling_delay = 0;
401 thz_dev->polling_delay = 0;
403 }
402
404 pr_notice("kernel mode fan control OFF\n");
405}
406static inline void acerhdf_enable_kernelmode(void)
407{
408 kernelmode = 1;
403 pr_notice("kernel mode fan control OFF\n");
404}
405static inline void acerhdf_enable_kernelmode(void)
406{
407 kernelmode = 1;
409 thz_dev->mode = THERMAL_DEVICE_ENABLED;
410
411 thz_dev->polling_delay = interval*1000;
408
409 thz_dev->polling_delay = interval*1000;
412 thermal_zone_device_update(thz_dev, THERMAL_EVENT_UNSPECIFIED);
413 pr_notice("kernel mode fan control ON\n");
414}
415
416/*
417 * set operation mode;
418 * enabled: the thermal layer of the kernel takes care about
419 * the temperature and the fan.
420 * disabled: the BIOS takes control of the fan.

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718static void acerhdf_unregister_platform(void)
719{
720 platform_device_unregister(acerhdf_dev);
721 platform_driver_unregister(&acerhdf_driver);
722}
723
724static int __init acerhdf_register_thermal(void)
725{
410 pr_notice("kernel mode fan control ON\n");
411}
412
413/*
414 * set operation mode;
415 * enabled: the thermal layer of the kernel takes care about
416 * the temperature and the fan.
417 * disabled: the BIOS takes control of the fan.

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715static void acerhdf_unregister_platform(void)
716{
717 platform_device_unregister(acerhdf_dev);
718 platform_driver_unregister(&acerhdf_driver);
719}
720
721static int __init acerhdf_register_thermal(void)
722{
723 int ret;
724
726 cl_dev = thermal_cooling_device_register("acerhdf-fan", NULL,
727 &acerhdf_cooling_ops);
728
729 if (IS_ERR(cl_dev))
730 return -EINVAL;
731
732 thz_dev = thermal_zone_device_register("acerhdf", 2, 0, NULL,
733 &acerhdf_dev_ops,
734 &acerhdf_zone_params, 0,
735 (kernelmode) ? interval*1000 : 0);
736 if (IS_ERR(thz_dev))
737 return -EINVAL;
738
725 cl_dev = thermal_cooling_device_register("acerhdf-fan", NULL,
726 &acerhdf_cooling_ops);
727
728 if (IS_ERR(cl_dev))
729 return -EINVAL;
730
731 thz_dev = thermal_zone_device_register("acerhdf", 2, 0, NULL,
732 &acerhdf_dev_ops,
733 &acerhdf_zone_params, 0,
734 (kernelmode) ? interval*1000 : 0);
735 if (IS_ERR(thz_dev))
736 return -EINVAL;
737
739 thz_dev->mode = kernelmode ?
740 THERMAL_DEVICE_ENABLED : THERMAL_DEVICE_DISABLED;
738 if (kernelmode)
739 ret = thermal_zone_device_enable(thz_dev);
740 else
741 ret = thermal_zone_device_disable(thz_dev);
742 if (ret)
743 return ret;
741
742 if (strcmp(thz_dev->governor->name,
743 acerhdf_zone_params.governor_name)) {
744 pr_err("Didn't get thermal governor %s, perhaps not compiled into thermal subsystem.\n",
745 acerhdf_zone_params.governor_name);
746 return -EINVAL;
747 }
748

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745 if (strcmp(thz_dev->governor->name,
746 acerhdf_zone_params.governor_name)) {
747 pr_err("Didn't get thermal governor %s, perhaps not compiled into thermal subsystem.\n",
748 acerhdf_zone_params.governor_name);
749 return -EINVAL;
750 }
751

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