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acer-wmi: Port to new backlight interface selection API
Port the backlight selection logic to the new backlight interface selection API. This commit also removes various obsolete pr_xxx messages related to backlight interface selection. These are obsolete because they assume there is only a vendor or acpi backlight driver and no other choice. Also they are not necessary, if the user wants to know which backlight interfaces are registered a simple "ls /sys/class/backlight" suffices. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Lee, Chun-Yi <jlee@suse.com> Acked-by: Darren Hart <dvhart@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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1 changed files with 3 additions and 7 deletions
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@ -2246,14 +2246,10 @@ static int __init acer_wmi_init(void)
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set_quirks();
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if (dmi_check_system(video_vendor_dmi_table))
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acpi_video_dmi_promote_vendor();
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if (acpi_video_backlight_support()) {
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acpi_video_set_dmi_backlight_type(acpi_backlight_vendor);
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if (acpi_video_get_backlight_type() != acpi_backlight_vendor)
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interface->capability &= ~ACER_CAP_BRIGHTNESS;
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pr_info("Brightness must be controlled by acpi video driver\n");
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} else {
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pr_info("Disabling ACPI video driver\n");
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acpi_video_unregister_backlight();
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}
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if (wmi_has_guid(WMID_GUID3)) {
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if (ec_raw_mode) {
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