diff options
Diffstat (limited to 'platform-x86-dell-laptop-Fix-keyboard-backlight-time.patch')
| -rw-r--r-- | platform-x86-dell-laptop-Fix-keyboard-backlight-time.patch | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/platform-x86-dell-laptop-Fix-keyboard-backlight-time.patch b/platform-x86-dell-laptop-Fix-keyboard-backlight-time.patch new file mode 100644 index 000000000..dd6928b04 --- /dev/null +++ b/platform-x86-dell-laptop-Fix-keyboard-backlight-time.patch @@ -0,0 +1,76 @@ +From e6a7379fcb5702da681d7da8e9d9a2a26cc6fa85 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Timur=20Krist=C3=B3f?= <timur.kristof@gmail.com> +Date: Fri, 1 Jun 2018 12:32:56 +0200 +Subject: [PATCH] platform/x86: dell-laptop: Fix keyboard backlight timeout on + XPS 13 9370 +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +The XPS 13 9370 doesn't expose the necessary KBD_LED_AC_TOKEN in +the BIOS, so the driver thinks it cannot adjust the AC keyboard +backlight timeout. This patch adds a quirk to fix this until +Dell adds the missing token to the BIOS. + +For further discussion, see: +https://github.com/dell/libsmbios/issues/48 + +Signed-off-by: Timur Kristóf <venemo@fedoraproject.org> +Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> +Signed-off-by: Jeremy Cline <jcline@redhat.com> +--- + drivers/platform/x86/dell-laptop.c | 17 ++++++++++++++++- + 1 file changed, 16 insertions(+), 1 deletion(-) + +diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c +index c52c6723374b..f1fa8612db40 100644 +--- a/drivers/platform/x86/dell-laptop.c ++++ b/drivers/platform/x86/dell-laptop.c +@@ -38,6 +38,7 @@ + struct quirk_entry { + bool touchpad_led; + bool kbd_led_levels_off_1; ++ bool kbd_missing_ac_tag; + + bool needs_kbd_timeouts; + /* +@@ -68,6 +69,10 @@ static struct quirk_entry quirk_dell_xps13_9333 = { + .kbd_timeouts = { 0, 5, 15, 60, 5 * 60, 15 * 60, -1 }, + }; + ++static struct quirk_entry quirk_dell_xps13_9370 = { ++ .kbd_missing_ac_tag = true, ++}; ++ + static struct quirk_entry quirk_dell_latitude_e6410 = { + .kbd_led_levels_off_1 = true, + }; +@@ -291,6 +296,15 @@ static const struct dmi_system_id dell_quirks[] __initconst = { + }, + .driver_data = &quirk_dell_xps13_9333, + }, ++ { ++ .callback = dmi_matched, ++ .ident = "Dell XPS 13 9370", ++ .matches = { ++ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), ++ DMI_MATCH(DMI_PRODUCT_NAME, "XPS 13 9370"), ++ }, ++ .driver_data = &quirk_dell_xps13_9370, ++ }, + { + .callback = dmi_matched, + .ident = "Dell Latitude E6410", +@@ -1401,7 +1415,8 @@ static inline int kbd_init_info(void) + * timeout value which is shared for both battery and AC power + * settings. So do not try to set AC values on old models. + */ +- if (dell_smbios_find_token(KBD_LED_AC_TOKEN)) ++ if ((quirks && quirks->kbd_missing_ac_tag) || ++ dell_smbios_find_token(KBD_LED_AC_TOKEN)) + kbd_timeout_ac_supported = true; + + kbd_get_state(&state); +-- +2.17.1 + |