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Merge branch 'generalize_keyboard_backlight_brightness_clevo_working' into generalize_keyboard_backlight_brightness

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Werner Sembach 2022-10-24 15:32:22 +02:00
parent b7f23c9fd9 fafba11817
commit 3bf9f5059b
2 changed files with 27 additions and 4 deletions
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3
src/clevo_interfaces.h
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@ -41,6 +41,9 @@
#define CLEVO_CMD_GET_EVENT 0x01
#define CLEVO_CMD_GET_SPECS 0x0D // Returns buffer -> only works with clevo_evaluate_method2
#define CLEVO_CMD_GET_BIOS_FEATURES 0x52
#define CLEVO_CMD_GET_BIOS_FEATURES_SUB_WHITE_ONLY_KB 0x40000000
#define CLEVO_CMD_GET_BIOS_FEATURES_SUB_3_ZONE_RGB_KB 0x00400000
// The clevo set commands expect a parameter
#define CLEVO_CMD_SET_FANSPEED_VALUE 0x68

28
src/clevo_leds.h
View file

@ -52,6 +52,7 @@ void clevo_leds_set_color_extern(u32 color);
#define CLEVO_KBD_BRIGHTNESS_WHITE_MIN 0x00
#define CLEVO_KBD_BRIGHTNESS_WHITE_MAX 0x02 // White only keyboards can only be off, half, or full brightness
#define CLEVO_KBD_BRIGHTNESS_WHITE_MAX_OLD_DEVS 0x05 // Devices <= Intel 7th gen had a different white control with 5 brightness values + off
#define CLEVO_KBD_BRIGHTNESS_WHITE_DEFAULT (CLEVO_KBD_BRIGHTNESS_WHITE_MAX * 0.5)
#define CLEVO_KB_COLOR_DEFAULT_RED 0xff
@ -257,20 +258,39 @@ int clevo_leds_init(struct platform_device *dev)
int ret;
u32 status;
union acpi_object *result;
u32 result_fallback;
status = clevo_evaluate_method2(CLEVO_CMD_GET_SPECS, 0, &result);
if (!status) {
if (result->type == ACPI_TYPE_BUFFER) {
pr_debug("CLEVO_CMD_GET_SPECS successful\n");
clevo_kb_backlight_type = result->buffer.pointer[0x0f];
pr_debug("CLEVO_CMD_GET_SPECS result->buffer.pointer[0x0f]: 0x%02x\n", result->buffer.pointer[0x0f]);
clevo_kb_backlight_type = result->buffer.pointer[0x0f];
}
else {
pr_err("CLEVO_CMD_GET_SPECS return value has wrong type\n");
pr_err("CLEVO_CMD_GET_SPECS does not exist on this device or return value has wrong type, trying CLEVO_CMD_GET_BIOS_FEATURES\n");
status = -EINVAL;
}
ACPI_FREE(result);
}
else {
pr_err("CLEVO_CMD_GET_SPECS failed\n");
pr_notice("CLEVO_CMD_GET_SPECS does not exist on this device or failed, trying CLEVO_CMD_GET_BIOS_FEATURES\n");
}
if (status) {
// check for devices <= Intel 7th gen (only white only, 3 zone RGB, or no backlight on these devices)
status = clevo_evaluate_method(CLEVO_CMD_GET_BIOS_FEATURES, 0, &result_fallback);
if (!status) {
pr_debug("CLEVO_CMD_GET_BIOS_FEATURES result_fallback: 0x%08x\n", result_fallback);
if (result_fallback & CLEVO_CMD_GET_BIOS_FEATURES_SUB_3_ZONE_RGB_KB) {
clevo_kb_backlight_type = CLEVO_KB_BACKLIGHT_TYPE_3_ZONE_RGB;
}
else if (result_fallback & CLEVO_CMD_GET_BIOS_FEATURES_SUB_WHITE_ONLY_KB) {
clevo_kb_backlight_type = CLEVO_KB_BACKLIGHT_TYPE_FIXED_COLOR;
clevo_led_cdev.max_brightness = CLEVO_KBD_BRIGHTNESS_WHITE_MAX_OLD_DEVS;
}
}
else {
pr_notice("CLEVO_CMD_GET_BIOS_FEATURES does not exist on this device or failed\n");
}
}
pr_debug("Keyboard backlight type: 0x%02x\n", clevo_kb_backlight_type);