^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) * Copyright (C) 2015 Red Hat Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Hans de Goede <hdegoede@redhat.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Copyright (C) 2008 SuSE Linux Products GmbH
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Thomas Renninger <trenn@suse.de>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * May be copied or modified under the terms of the GNU General Public License
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * video_detect.c:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * After PCI devices are glued with ACPI devices
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * acpi_get_pci_dev() can be called to identify ACPI graphics
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) * devices for which a real graphics card is plugged in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) * Depending on whether ACPI graphics extensions (cmp. ACPI spec Appendix B)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) * are available, video.ko should be used to handle the device.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) * Otherwise vendor specific drivers like thinkpad_acpi, asus-laptop,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) * sony_acpi,... can take care about backlight brightness.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) * Backlight drivers can use acpi_video_get_backlight_type() to determine
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) * which driver should handle the backlight.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) * If CONFIG_ACPI_VIDEO is neither set as "compiled in" (y) nor as a module (m)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) * this file will not be compiled and acpi_video_get_backlight_type() will
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) * always return acpi_backlight_vendor.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #include <linux/export.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #include <linux/acpi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #include <linux/backlight.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #include <linux/dmi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #include <linux/pci.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #include <linux/workqueue.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #include <acpi/video.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) void acpi_video_unregister_backlight(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) static bool backlight_notifier_registered;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) static struct notifier_block backlight_nb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) static struct work_struct backlight_notify_work;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) static enum acpi_backlight_type acpi_backlight_cmdline = acpi_backlight_undef;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) static enum acpi_backlight_type acpi_backlight_dmi = acpi_backlight_undef;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) static void acpi_video_parse_cmdline(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) if (!strcmp("vendor", acpi_video_backlight_string))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) acpi_backlight_cmdline = acpi_backlight_vendor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) if (!strcmp("video", acpi_video_backlight_string))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) acpi_backlight_cmdline = acpi_backlight_video;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) if (!strcmp("native", acpi_video_backlight_string))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) acpi_backlight_cmdline = acpi_backlight_native;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) if (!strcmp("none", acpi_video_backlight_string))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) acpi_backlight_cmdline = acpi_backlight_none;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) static acpi_status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) find_video(acpi_handle handle, u32 lvl, void *context, void **rv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) long *cap = context;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) struct pci_dev *dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) struct acpi_device *acpi_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) static const struct acpi_device_id video_ids[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) {ACPI_VIDEO_HID, 0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) {"", 0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) if (acpi_bus_get_device(handle, &acpi_dev))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) return AE_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) if (!acpi_match_device_ids(acpi_dev, video_ids)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) dev = acpi_get_pci_dev(handle);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) if (!dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) return AE_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) pci_dev_put(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) *cap |= acpi_is_video_device(handle);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) return AE_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) /* Force to use vendor driver when the ACPI device is known to be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) * buggy */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) static int video_detect_force_vendor(const struct dmi_system_id *d)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) acpi_backlight_dmi = acpi_backlight_vendor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) static int video_detect_force_video(const struct dmi_system_id *d)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) acpi_backlight_dmi = acpi_backlight_video;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) static int video_detect_force_native(const struct dmi_system_id *d)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) acpi_backlight_dmi = acpi_backlight_native;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) static int video_detect_force_none(const struct dmi_system_id *d)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) acpi_backlight_dmi = acpi_backlight_none;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) static const struct dmi_system_id video_detect_dmi_table[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) /* On Samsung X360, the BIOS will set a flag (VDRV) if generic
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) * ACPI backlight device is used. This flag will definitively break
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) * the backlight interface (even the vendor interface) until next
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) * reboot. It's why we should prevent video.ko from being used here
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) * and we can't rely on a later call to acpi_video_unregister().
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) .callback = video_detect_force_vendor,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) .ident = "X360",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) DMI_MATCH(DMI_PRODUCT_NAME, "X360"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) DMI_MATCH(DMI_BOARD_NAME, "X360"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) .callback = video_detect_force_vendor,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) .ident = "Asus UL30VT",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) DMI_MATCH(DMI_PRODUCT_NAME, "UL30VT"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) .callback = video_detect_force_vendor,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) .ident = "Asus UL30A",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) DMI_MATCH(DMI_PRODUCT_NAME, "UL30A"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) .callback = video_detect_force_vendor,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) .ident = "GIGABYTE GB-BXBT-2807",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) DMI_MATCH(DMI_PRODUCT_NAME, "GB-BXBT-2807"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) .callback = video_detect_force_vendor,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) .ident = "Sony VPCEH3U1E",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) DMI_MATCH(DMI_PRODUCT_NAME, "VPCEH3U1E"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) * These models have a working acpi_video backlight control, and using
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) * native backlight causes a regression where backlight does not work
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) * when userspace is not handling brightness key events. Disable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) * native_backlight on these to fix this:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) * https://bugzilla.kernel.org/show_bug.cgi?id=81691
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) .callback = video_detect_force_video,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) .ident = "ThinkPad T420",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T420"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) .callback = video_detect_force_video,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) .ident = "ThinkPad T520",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T520"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) .callback = video_detect_force_video,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) .ident = "ThinkPad X201s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X201s"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) .callback = video_detect_force_video,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) .ident = "ThinkPad X201T",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X201T"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) /* The native backlight controls do not work on some older machines */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) /* https://bugs.freedesktop.org/show_bug.cgi?id=81515 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) .callback = video_detect_force_video,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) .ident = "HP ENVY 15 Notebook",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) DMI_MATCH(DMI_PRODUCT_NAME, "HP ENVY 15 Notebook PC"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) .callback = video_detect_force_video,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) .ident = "SAMSUNG 870Z5E/880Z5E/680Z5E",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) DMI_MATCH(DMI_PRODUCT_NAME, "870Z5E/880Z5E/680Z5E"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) .callback = video_detect_force_video,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) .ident = "SAMSUNG 370R4E/370R4V/370R5E/3570RE/370R5V",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) DMI_MATCH(DMI_PRODUCT_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) "370R4E/370R4V/370R5E/3570RE/370R5V"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) /* https://bugzilla.redhat.com/show_bug.cgi?id=1186097 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) .callback = video_detect_force_video,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) .ident = "SAMSUNG 3570R/370R/470R/450R/510R/4450RV",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) DMI_MATCH(DMI_PRODUCT_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) "3570R/370R/470R/450R/510R/4450RV"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) /* https://bugzilla.redhat.com/show_bug.cgi?id=1557060 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) .callback = video_detect_force_video,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) .ident = "SAMSUNG 670Z5E",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) DMI_MATCH(DMI_PRODUCT_NAME, "670Z5E"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) /* https://bugzilla.redhat.com/show_bug.cgi?id=1094948 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) .callback = video_detect_force_video,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) .ident = "SAMSUNG 730U3E/740U3E",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) DMI_MATCH(DMI_PRODUCT_NAME, "730U3E/740U3E"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) /* https://bugs.freedesktop.org/show_bug.cgi?id=87286 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) .callback = video_detect_force_video,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) .ident = "SAMSUNG 900X3C/900X3D/900X3E/900X4C/900X4D",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) DMI_MATCH(DMI_PRODUCT_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) "900X3C/900X3D/900X3E/900X4C/900X4D"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) /* https://bugzilla.redhat.com/show_bug.cgi?id=1272633 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) .callback = video_detect_force_video,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) .ident = "Dell XPS14 L421X",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) DMI_MATCH(DMI_PRODUCT_NAME, "XPS L421X"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) /* https://bugzilla.redhat.com/show_bug.cgi?id=1163574 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) .callback = video_detect_force_video,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) .ident = "Dell XPS15 L521X",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) DMI_MATCH(DMI_PRODUCT_NAME, "XPS L521X"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) /* https://bugzilla.kernel.org/show_bug.cgi?id=108971 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) .callback = video_detect_force_video,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) .ident = "SAMSUNG 530U4E/540U4E",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) DMI_MATCH(DMI_PRODUCT_NAME, "530U4E/540U4E"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) /* https://bugs.launchpad.net/bugs/1894667 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) .callback = video_detect_force_video,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) .ident = "HP 635 Notebook",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) DMI_MATCH(DMI_PRODUCT_NAME, "HP 635 Notebook PC"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) /* Non win8 machines which need native backlight nevertheless */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) /* https://bugzilla.redhat.com/show_bug.cgi?id=1201530 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) .callback = video_detect_force_native,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) .ident = "Lenovo Ideapad S405",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) DMI_MATCH(DMI_BOARD_NAME, "Lenovo IdeaPad S405"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) /* https://bugzilla.redhat.com/show_bug.cgi?id=1187004 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) .callback = video_detect_force_native,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) .ident = "Lenovo Ideapad Z570",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) DMI_MATCH(DMI_PRODUCT_NAME, "102434U"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) .callback = video_detect_force_native,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) .ident = "Lenovo E41-25",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) DMI_MATCH(DMI_PRODUCT_NAME, "81FS"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) .callback = video_detect_force_native,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) .ident = "Lenovo E41-45",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) DMI_MATCH(DMI_PRODUCT_NAME, "82BK"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) /* https://bugzilla.redhat.com/show_bug.cgi?id=1217249 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) .callback = video_detect_force_native,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) .ident = "Apple MacBook Pro 12,1",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro12,1"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) .callback = video_detect_force_native,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) .ident = "Dell Vostro V131",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V131"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) /* https://bugzilla.redhat.com/show_bug.cgi?id=1123661 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) .callback = video_detect_force_native,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) .ident = "Dell XPS 17 L702X",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) DMI_MATCH(DMI_PRODUCT_NAME, "Dell System XPS L702X"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) .callback = video_detect_force_native,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) .ident = "Dell Precision 7510",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) DMI_MATCH(DMI_PRODUCT_NAME, "Precision 7510"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) .callback = video_detect_force_native,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) .ident = "Acer Aspire 5738z",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5738"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) DMI_MATCH(DMI_BOARD_NAME, "JV50"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) /* https://bugzilla.kernel.org/show_bug.cgi?id=207835 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) .callback = video_detect_force_native,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) .ident = "Acer TravelMate 5735Z",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 5735Z"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) DMI_MATCH(DMI_BOARD_NAME, "BA51_MV"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) .callback = video_detect_force_native,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) .ident = "ASUSTeK COMPUTER INC. GA401",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) DMI_MATCH(DMI_PRODUCT_NAME, "GA401"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) .callback = video_detect_force_native,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) .ident = "ASUSTeK COMPUTER INC. GA502",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) DMI_MATCH(DMI_PRODUCT_NAME, "GA502"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) .callback = video_detect_force_native,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) .ident = "ASUSTeK COMPUTER INC. GA503",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) DMI_MATCH(DMI_PRODUCT_NAME, "GA503"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) * Clevo NL5xRU and NL5xNU/TUXEDO Aura 15 Gen1 and Gen2 have both a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) * working native and video interface. However the default detection
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) * mechanism first registers the video interface before unregistering
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) * it again and switching to the native interface during boot. This
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) * results in a dangling SBIOS request for backlight change for some
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) * reason, causing the backlight to switch to ~2% once per boot on the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) * first power cord connect or disconnect event. Setting the native
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) * interface explicitly circumvents this buggy behaviour, by avoiding
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) * the unregistering process.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) .callback = video_detect_force_native,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) .ident = "Clevo NL5xRU",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) DMI_MATCH(DMI_SYS_VENDOR, "TUXEDO"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) DMI_MATCH(DMI_BOARD_NAME, "NL5xRU"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) .callback = video_detect_force_native,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) .ident = "Clevo NL5xRU",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) DMI_MATCH(DMI_SYS_VENDOR, "SchenkerTechnologiesGmbH"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) DMI_MATCH(DMI_BOARD_NAME, "NL5xRU"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) .callback = video_detect_force_native,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) .ident = "Clevo NL5xRU",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) DMI_MATCH(DMI_BOARD_NAME, "NL5xRU"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) .callback = video_detect_force_native,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) .ident = "Clevo NL5xRU",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) DMI_MATCH(DMI_SYS_VENDOR, "TUXEDO"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) DMI_MATCH(DMI_BOARD_NAME, "AURA1501"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) .callback = video_detect_force_native,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) .ident = "Clevo NL5xRU",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) DMI_MATCH(DMI_SYS_VENDOR, "TUXEDO"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) DMI_MATCH(DMI_BOARD_NAME, "EDUBOOK1502"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) .callback = video_detect_force_native,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) .ident = "Clevo NL5xNU",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) DMI_MATCH(DMI_SYS_VENDOR, "TUXEDO"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) DMI_MATCH(DMI_BOARD_NAME, "NL5xNU"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) .callback = video_detect_force_native,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) .ident = "Clevo NL5xNU",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) DMI_MATCH(DMI_SYS_VENDOR, "SchenkerTechnologiesGmbH"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) DMI_MATCH(DMI_BOARD_NAME, "NL5xNU"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) .callback = video_detect_force_native,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) .ident = "Clevo NL5xNU",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) DMI_MATCH(DMI_BOARD_NAME, "NL5xNU"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) * Desktops which falsely report a backlight and which our heuristics
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) * for this do not catch.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) .callback = video_detect_force_none,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) .ident = "Dell OptiPlex 9020M",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 9020M"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) .callback = video_detect_force_none,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) .ident = "MSI MS-7721",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) DMI_MATCH(DMI_SYS_VENDOR, "MSI"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) DMI_MATCH(DMI_PRODUCT_NAME, "MS-7721"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) { },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) /* This uses a workqueue to avoid various locking ordering issues */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) static void acpi_video_backlight_notify_work(struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) if (acpi_video_get_backlight_type() != acpi_backlight_video)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) acpi_video_unregister_backlight();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) static int acpi_video_backlight_notify(struct notifier_block *nb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) unsigned long val, void *bd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) struct backlight_device *backlight = bd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) /* A raw bl registering may change video -> native */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) if (backlight->props.type == BACKLIGHT_RAW &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) val == BACKLIGHT_REGISTERED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) schedule_work(&backlight_notify_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) return NOTIFY_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) * Determine which type of backlight interface to use on this system,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) * First check cmdline, then dmi quirks, then do autodetect.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) * The autodetect order is:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) * 1) Is the acpi-video backlight interface supported ->
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) * no, use a vendor interface
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) * 2) Is this a win8 "ready" BIOS and do we have a native interface ->
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) * yes, use a native interface
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) * 3) Else use the acpi-video interface
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) * Arguably the native on win8 check should be done first, but that would
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) * be a behavior change, which may causes issues.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) enum acpi_backlight_type acpi_video_get_backlight_type(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) static DEFINE_MUTEX(init_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) static bool init_done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) static long video_caps;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) /* Parse cmdline, dmi and acpi only once */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) mutex_lock(&init_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) if (!init_done) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) acpi_video_parse_cmdline();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) dmi_check_system(video_detect_dmi_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) ACPI_UINT32_MAX, find_video, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) &video_caps, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) INIT_WORK(&backlight_notify_work,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) acpi_video_backlight_notify_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) backlight_nb.notifier_call = acpi_video_backlight_notify;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) backlight_nb.priority = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) if (backlight_register_notifier(&backlight_nb) == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) backlight_notifier_registered = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) init_done = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) mutex_unlock(&init_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) if (acpi_backlight_cmdline != acpi_backlight_undef)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) return acpi_backlight_cmdline;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) if (acpi_backlight_dmi != acpi_backlight_undef)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) return acpi_backlight_dmi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) if (!(video_caps & ACPI_VIDEO_BACKLIGHT))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) return acpi_backlight_vendor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) if (acpi_osi_is_win8() && backlight_device_get_by_type(BACKLIGHT_RAW))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) return acpi_backlight_native;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) return acpi_backlight_video;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) EXPORT_SYMBOL(acpi_video_get_backlight_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) * Set the preferred backlight interface type based on DMI info.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) * This function allows DMI blacklists to be implemented by external
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) * platform drivers instead of putting a big blacklist in video_detect.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) void acpi_video_set_dmi_backlight_type(enum acpi_backlight_type type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) acpi_backlight_dmi = type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) /* Remove acpi-video backlight interface if it is no longer desired */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) if (acpi_video_get_backlight_type() != acpi_backlight_video)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) acpi_video_unregister_backlight();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) EXPORT_SYMBOL(acpi_video_set_dmi_backlight_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) void __exit acpi_video_detect_exit(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) if (backlight_notifier_registered)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) backlight_unregister_notifier(&backlight_nb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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