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| author | Patrick Rudolph <siro@das-labor.org> | 2017-08-14 17:46:58 +0200 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2018-07-19 16:44:15 +0000 |
| commit | 6b7178aa107ef7e2475e3b1f32ac849d98798406 (patch) | |
| tree | 0762a1acc7364c58c35c99af63653fe783ec28cd /src/ec/lenovo/h8/ssdt.c | |
| parent | 60eca531df7d13272d9d8b41c7992d18fad75a16 (diff) | |
| download | coreboot-6b7178aa107ef7e2475e3b1f32ac849d98798406.tar.xz | |
ec/lenovo/h8/ssdt: Add keyboard backlight interface
Add methods MLCG and MLCS for thinkpad_acpi kernel module.
Required for backlight or thinklight control from userspace.
Change-Id: Ia65e770e772936c9c32be33c30839a2dee2a107c
Signed-off-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-on: https://review.coreboot.org/21002
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Diffstat (limited to 'src/ec/lenovo/h8/ssdt.c')
| -rw-r--r-- | src/ec/lenovo/h8/ssdt.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/ec/lenovo/h8/ssdt.c b/src/ec/lenovo/h8/ssdt.c index 84a52f5f63..4df4bd8a87 100644 --- a/src/ec/lenovo/h8/ssdt.c +++ b/src/ec/lenovo/h8/ssdt.c @@ -36,6 +36,8 @@ static char *h8_dsdt_scope(struct device *dev, const char *scope) */ void h8_ssdt_generator(struct device *dev) { + struct ec_lenovo_h8_config *conf = dev->chip_info; + if (!acpi_device_path(dev)) return; @@ -47,6 +49,8 @@ void h8_ssdt_generator(struct device *dev) /* Used by thinkpad_acpi */ acpigen_write_name_byte("HBDC", h8_has_bdc(dev) ? ONE_OP : ZERO_OP); acpigen_write_name_byte("HWAN", h8_has_wwan(dev) ? ONE_OP : ZERO_OP); + acpigen_write_name_byte("HKBL", (conf && conf->has_keyboard_backlight) ? + ONE_OP : ZERO_OP); acpigen_pop_len(); /* Scope HKEY */ } |