platform/chrome: cros_kbd_led_backlight: Drop max_brightness from driver data

The maximum brightness is always 100. There is no need to read that from
the driver data.

Remove the superfluous driver data.

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20260404-cros_kbd_led-cleanup-v1-1-0dc1100d54e3@weissschuh.net
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>

diff --git a/drivers/platform/chrome/cros_kbd_led_backlight.c b/drivers/platform/chrome/cros_kbd_led_backlight.c
index f4c2282129f50bdb8a25c427fd0cc8176748e51e..39e98e4b9ce65278ec491181a4e56f799428559f 100644 (file)
--- a/drivers/platform/chrome/cros_kbd_led_backlight.c
+++ b/drivers/platform/chrome/cros_kbd_led_backlight.c
@@ -32,7 +32,6 @@ struct keyboard_led {
  * @brightness_set_blocking:   Set LED brightness level.  It can block the
  *                             caller for the time required for accessing a
  *                             LED device register
- * @max_brightness:            Maximum brightness.
  *
  * See struct led_classdev in include/linux/leds.h for more details.
  */
@@ -45,12 +44,8 @@ struct keyboard_led_drvdata {
                               enum led_brightness brightness);
        int (*brightness_set_blocking)(struct led_classdev *led_cdev,
                                       enum led_brightness brightness);
-
-       enum led_brightness max_brightness;
 };
 
-#define KEYBOARD_BACKLIGHT_MAX 100
-
 #ifdef CONFIG_ACPI
 
 /* Keyboard LED ACPI Device must be defined in firmware */
@@ -116,7 +111,6 @@ static const struct keyboard_led_drvdata keyboard_led_drvdata_acpi = {
        .init = keyboard_led_init_acpi,
        .brightness_set = keyboard_led_set_brightness_acpi,
        .brightness_get = keyboard_led_get_brightness_acpi,
-       .max_brightness = KEYBOARD_BACKLIGHT_MAX,
 };
 
 #endif /* CONFIG_ACPI */
@@ -175,7 +169,6 @@ static const struct keyboard_led_drvdata keyboard_led_drvdata_ec_pwm_mfd = {
        .init = keyboard_led_init_ec_pwm_mfd,
        .brightness_set_blocking = keyboard_led_set_brightness_ec_pwm,
        .brightness_get = keyboard_led_get_brightness_ec_pwm,
-       .max_brightness = KEYBOARD_BACKLIGHT_MAX,
 };
 
 #else /* IS_ENABLED(CONFIG_MFD_CROS_EC_DEV) */
@@ -215,7 +208,7 @@ static int keyboard_led_probe(struct platform_device *pdev)
 
        keyboard_led->cdev.name = "chromeos::kbd_backlight";
        keyboard_led->cdev.flags |= LED_CORE_SUSPENDRESUME | LED_REJECT_NAME_CONFLICT;
-       keyboard_led->cdev.max_brightness = drvdata->max_brightness;
+       keyboard_led->cdev.max_brightness = 100;
        keyboard_led->cdev.brightness_set = drvdata->brightness_set;
        keyboard_led->cdev.brightness_set_blocking = drvdata->brightness_set_blocking;
        keyboard_led->cdev.brightness_get = drvdata->brightness_get;