diff options
| -rw-r--r-- | src/mainboard/google/samus/acpi/mainboard.asl | 18 | ||||
| -rw-r--r-- | src/mainboard/google/samus/romstage.c | 6 |
2 files changed, 23 insertions, 1 deletions
diff --git a/src/mainboard/google/samus/acpi/mainboard.asl b/src/mainboard/google/samus/acpi/mainboard.asl index 624aa3822b..3aea40c63f 100644 --- a/src/mainboard/google/samus/acpi/mainboard.asl +++ b/src/mainboard/google/samus/acpi/mainboard.asl @@ -50,6 +50,24 @@ Scope (\_SB) Name (_UID, 2) Name (_PRW, Package() { 14, 0x3 }) // GPIO14 } + + // Keyboard Backlight interface via EC + Device (KBLT) { + Name (_HID, "GOOG0002") + Name (_UID, 1) + + // Read current backlight value + Method (KBQC, 0) + { + Return (\_SB.PCI0.LPCB.EC0.KBLV) + } + + // Write new backlight value + Method (KBCM, 1) + { + Store (Arg0, \_SB.PCI0.LPCB.EC0.KBLV) + } + } } Scope (\_SB.PCI0.I2C0) diff --git a/src/mainboard/google/samus/romstage.c b/src/mainboard/google/samus/romstage.c index c9e13e1dfb..d6528592e4 100644 --- a/src/mainboard/google/samus/romstage.c +++ b/src/mainboard/google/samus/romstage.c @@ -25,6 +25,7 @@ #include <broadwell/gpio.h> #include <broadwell/pei_data.h> #include <broadwell/pei_wrapper.h> +#include <broadwell/pm.h> #include <broadwell/romstage.h> #include <mainboard/google/samus/spd/spd.h> #include <mainboard/google/samus/gpio.h> @@ -33,7 +34,10 @@ void mainboard_romstage_entry(struct romstage_params *rp) { struct pei_data pei_data; - post_code(0x32); + post_code(0x31); + + if (rp->power_state->prev_sleep_state != SLEEP_STATE_S3) + google_chromeec_kbbacklight(100); printk(BIOS_INFO, "MLB: board version %d\n", google_chromeec_get_board_version()); |