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Implement multi color leds for Clevo 1 and 3 zone rgb keyboard backlights

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This commit is contained in:
Werner Sembach 2022-08-18 18:32:45 +02:00
parent f50eeaac07
commit affc59e3e2
1 changed files with 127 additions and 20 deletions
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147
src/clevo_keyboard.h
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@ -23,6 +23,7 @@
#include "clevo_interfaces.h" #include "clevo_interfaces.h"
#include <linux/leds.h> #include <linux/leds.h>
#include <linux/led-class-multicolor.h>
#define BRIGHTNESS_MIN 0 #define BRIGHTNESS_MIN 0
#define BRIGHTNESS_MAX 255 #define BRIGHTNESS_MAX 255
@ -694,11 +695,63 @@ int ledcdev_set_blocking(struct led_classdev *led_cdev, enum led_brightness brig
return 0; return 0;
} }
int ledcdev_set_blocking_mc(struct led_classdev *led_cdev, enum led_brightness brightness) {
u32 region, colorcode;
struct led_classdev_mc *led_cdev_mc = lcdev_to_mccdev(led_cdev);
pr_debug("ledcdev_set_blocking_mc() brightness 0x%02x", brightness);
pr_debug("ledcdev_set_blocking_mc() led_cdev_mc->subled_info[0].intensity 0x%02x", led_cdev_mc->subled_info[0].intensity);
pr_debug("ledcdev_set_blocking_mc() led_cdev_mc->subled_info[1].intensity 0x%02x", led_cdev_mc->subled_info[1].intensity);
pr_debug("ledcdev_set_blocking_mc() led_cdev_mc->subled_info[2].intensity 0x%02x", led_cdev_mc->subled_info[2].intensity);
pr_debug("ledcdev_set_blocking_mc() led_cdev_mc->subled_info[0].channel 0x%02x", led_cdev_mc->subled_info[0].channel);
pr_debug("ledcdev_set_blocking_mc() led_cdev_mc->subled_info[1].channel 0x%02x", led_cdev_mc->subled_info[1].channel);
pr_debug("ledcdev_set_blocking_mc() led_cdev_mc->subled_info[2].channel 0x%02x", led_cdev_mc->subled_info[2].channel);
if (led_cdev_mc->subled_info[0].channel == 0) {
region = REGION_LEFT;
}
else if (led_cdev_mc->subled_info[0].channel == 1) {
region = REGION_CENTER;
}
else if (led_cdev_mc->subled_info[0].channel == 2) {
region = REGION_RIGHT;
}
else {
region = REGION_EXTRA;
}
colorcode = (led_cdev_mc->subled_info[0].intensity << 16) +
(led_cdev_mc->subled_info[1].intensity << 8) +
led_cdev_mc->subled_info[2].intensity;
if (!set_color(region, colorcode)) {
// after succesfully setting color, update our state struct
// depending on which region was changed
switch (region) {
case REGION_LEFT:
kbd_led_state.color.left = colorcode;
break;
case REGION_CENTER:
kbd_led_state.color.center = colorcode;
break;
case REGION_RIGHT:
kbd_led_state.color.right = colorcode;
break;
case REGION_EXTRA:
kbd_led_state.color.extra = colorcode;
break;
}
}
set_brightness(brightness);
return 0;
}
enum led_brightness ledcdev_get(struct led_classdev *led_cdev) { enum led_brightness ledcdev_get(struct led_classdev *led_cdev) {
return kbd_led_state.brightness; return kbd_led_state.brightness;
} }
struct led_classdev cdev_kb_1 = { struct led_classdev cdev_kb = {
.name = KBUILD_MODNAME "::kbd_backlight", .name = KBUILD_MODNAME "::kbd_backlight",
.max_brightness = BRIGHTNESS_MAX, .max_brightness = BRIGHTNESS_MAX,
.brightness_set_blocking = &ledcdev_set_blocking, .brightness_set_blocking = &ledcdev_set_blocking,
@ -706,21 +759,9 @@ struct led_classdev cdev_kb_1 = {
.brightness = BRIGHTNESS_DEFAULT, .brightness = BRIGHTNESS_DEFAULT,
}; };
struct led_classdev cdev_kb_2 = { struct led_classdev_mc cdev_kb_mc[3];
.name = KBUILD_MODNAME "::kbd_backlight",
.max_brightness = BRIGHTNESS_MAX,
.brightness_set_blocking = &ledcdev_set_blocking,
.brightness_get = &ledcdev_get,
.brightness = BRIGHTNESS_DEFAULT,
};
struct led_classdev cdev_kb_3 = { struct mc_subled cdev_kb_mc_subled[3][3];
.name = KBUILD_MODNAME "::kbd_backlight",
.max_brightness = BRIGHTNESS_MAX,
.brightness_set_blocking = &ledcdev_set_blocking,
.brightness_get = &ledcdev_get,
.brightness = BRIGHTNESS_DEFAULT,
};
static void clevo_keyboard_init_device_interface(struct platform_device *dev) static void clevo_keyboard_init_device_interface(struct platform_device *dev)
{ {
@ -832,17 +873,83 @@ static void clevo_keyboard_init_device_interface(struct platform_device *dev)
} }
if (kb_backlight_type == CLEVO_KB_BACKLIGHT_TYPE_FIXED_COLOR) { if (kb_backlight_type == CLEVO_KB_BACKLIGHT_TYPE_FIXED_COLOR) {
led_classdev_register(&dev->dev, &cdev_kb_1); led_classdev_register(&dev->dev, &cdev_kb);
} }
if (kb_backlight_type == CLEVO_KB_BACKLIGHT_TYPE_1_ZONE_RGB) { if (kb_backlight_type == CLEVO_KB_BACKLIGHT_TYPE_1_ZONE_RGB) {
led_classdev_register(&dev->dev, &cdev_kb_1); cdev_kb_mc[0].led_cdev.name = KBUILD_MODNAME "::kbd_backlight";
cdev_kb_mc[0].led_cdev.max_brightness = BRIGHTNESS_MAX;
cdev_kb_mc[0].led_cdev.brightness_set_blocking = &ledcdev_set_blocking_mc;
cdev_kb_mc[0].led_cdev.brightness_get = &ledcdev_get;
cdev_kb_mc[0].led_cdev.brightness = BRIGHTNESS_DEFAULT;
cdev_kb_mc[0].num_colors = 3;
cdev_kb_mc[0].subled_info = cdev_kb_mc_subled[0];
cdev_kb_mc[0].subled_info[0].color_index = LED_COLOR_ID_RED;
cdev_kb_mc[0].subled_info[0].intensity = BRIGHTNESS_DEFAULT;
cdev_kb_mc[0].subled_info[0].channel = 0;
cdev_kb_mc[0].subled_info[1].color_index = LED_COLOR_ID_GREEN;
cdev_kb_mc[0].subled_info[1].intensity = BRIGHTNESS_DEFAULT;
cdev_kb_mc[0].subled_info[1].channel = 0;
cdev_kb_mc[0].subled_info[2].color_index = LED_COLOR_ID_BLUE;
cdev_kb_mc[0].subled_info[2].intensity = BRIGHTNESS_DEFAULT;
cdev_kb_mc[0].subled_info[2].channel = 0;
devm_led_classdev_multicolor_register(&dev->dev, &cdev_kb_mc[0]);
} }
if (kb_backlight_type == CLEVO_KB_BACKLIGHT_TYPE_3_ZONE_RGB) { if (kb_backlight_type == CLEVO_KB_BACKLIGHT_TYPE_3_ZONE_RGB) {
led_classdev_register(&dev->dev, &cdev_kb_1); cdev_kb_mc[0].led_cdev.name = KBUILD_MODNAME "::kbd_backlight";
led_classdev_register(&dev->dev, &cdev_kb_2); cdev_kb_mc[0].led_cdev.max_brightness = BRIGHTNESS_MAX;
led_classdev_register(&dev->dev, &cdev_kb_3); cdev_kb_mc[0].led_cdev.brightness_set_blocking = &ledcdev_set_blocking_mc;
cdev_kb_mc[0].led_cdev.brightness_get = &ledcdev_get;
cdev_kb_mc[0].led_cdev.brightness = BRIGHTNESS_DEFAULT;
cdev_kb_mc[0].num_colors = 3;
cdev_kb_mc[0].subled_info = cdev_kb_mc_subled[0];
cdev_kb_mc[0].subled_info[0].color_index = LED_COLOR_ID_RED;
cdev_kb_mc[0].subled_info[0].intensity = BRIGHTNESS_DEFAULT;
cdev_kb_mc[0].subled_info[0].channel = 0;
cdev_kb_mc[0].subled_info[1].color_index = LED_COLOR_ID_GREEN;
cdev_kb_mc[0].subled_info[1].intensity = BRIGHTNESS_DEFAULT;
cdev_kb_mc[0].subled_info[1].channel = 0;
cdev_kb_mc[0].subled_info[2].color_index = LED_COLOR_ID_BLUE;
cdev_kb_mc[0].subled_info[2].intensity = BRIGHTNESS_DEFAULT;
cdev_kb_mc[0].subled_info[2].channel = 0;
devm_led_classdev_multicolor_register(&dev->dev, &cdev_kb_mc[0]);
cdev_kb_mc[1].led_cdev.name = KBUILD_MODNAME "::kbd_backlight";
cdev_kb_mc[1].led_cdev.max_brightness = BRIGHTNESS_MAX;
cdev_kb_mc[1].led_cdev.brightness_set_blocking = &ledcdev_set_blocking_mc;
cdev_kb_mc[1].led_cdev.brightness_get = &ledcdev_get;
cdev_kb_mc[1].led_cdev.brightness = BRIGHTNESS_DEFAULT;
cdev_kb_mc[1].num_colors = 3;
cdev_kb_mc[1].subled_info = cdev_kb_mc_subled[1];
cdev_kb_mc[1].subled_info[0].color_index = LED_COLOR_ID_RED;
cdev_kb_mc[1].subled_info[0].intensity = BRIGHTNESS_DEFAULT;
cdev_kb_mc[1].subled_info[0].channel = 1;
cdev_kb_mc[1].subled_info[1].color_index = LED_COLOR_ID_GREEN;
cdev_kb_mc[1].subled_info[1].intensity = BRIGHTNESS_DEFAULT;
cdev_kb_mc[1].subled_info[1].channel = 1;
cdev_kb_mc[1].subled_info[2].color_index = LED_COLOR_ID_BLUE;
cdev_kb_mc[1].subled_info[2].intensity = BRIGHTNESS_DEFAULT;
cdev_kb_mc[1].subled_info[2].channel = 1;
devm_led_classdev_multicolor_register(&dev->dev, &cdev_kb_mc[1]);
cdev_kb_mc[2].led_cdev.name = KBUILD_MODNAME "::kbd_backlight";
cdev_kb_mc[2].led_cdev.max_brightness = BRIGHTNESS_MAX;
cdev_kb_mc[2].led_cdev.brightness_set_blocking = &ledcdev_set_blocking_mc;
cdev_kb_mc[2].led_cdev.brightness_get = &ledcdev_get;
cdev_kb_mc[2].led_cdev.brightness = BRIGHTNESS_DEFAULT;
cdev_kb_mc[2].num_colors = 3;
cdev_kb_mc[2].subled_info = cdev_kb_mc_subled[2];
cdev_kb_mc[2].subled_info[0].color_index = LED_COLOR_ID_RED;
cdev_kb_mc[2].subled_info[0].intensity = BRIGHTNESS_DEFAULT;
cdev_kb_mc[2].subled_info[0].channel = 2;
cdev_kb_mc[2].subled_info[1].color_index = LED_COLOR_ID_GREEN;
cdev_kb_mc[2].subled_info[1].intensity = BRIGHTNESS_DEFAULT;
cdev_kb_mc[2].subled_info[1].channel = 2;
cdev_kb_mc[2].subled_info[2].color_index = LED_COLOR_ID_BLUE;
cdev_kb_mc[2].subled_info[2].intensity = BRIGHTNESS_DEFAULT;
cdev_kb_mc[2].subled_info[2].channel = 2;
devm_led_classdev_multicolor_register(&dev->dev, &cdev_kb_mc[2]);
} }
} }