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mfd: cros_ec: Register keyboard backlight subdevice

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Load cros_kbd_led_backlight when the EC reports EC_FEATURE_PWM_KEYB.
This makes cros_kbd_led_backlight work on machines without specific
ACPI or OF support for the keyboard backlight.

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20240526-cros_ec-kbd-led-framework-v3-4-ee577415a521@weissschuh.net
Signed-off-by: Lee Jones <lee@kernel.org>
This commit is contained in:
Thomas Weißschuh 2024-05-26 20:17:18 +02:00 committed by Lee Jones
parent baa19b6507
commit 970c3a6b7a
1 changed files with 9 additions and 0 deletions
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9
drivers/mfd/cros_ec_dev.c
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@ -99,6 +99,10 @@ static const struct mfd_cell cros_ec_wdt_cells[] = {
{ .name = "cros-ec-wdt", } { .name = "cros-ec-wdt", }
}; };
static const struct mfd_cell cros_ec_keyboard_leds_cells[] = {
{ .name = "cros-keyboard-leds", },
};
static const struct cros_feature_to_cells cros_subdevices[] = { static const struct cros_feature_to_cells cros_subdevices[] = {
{ {
.id = EC_FEATURE_CEC, .id = EC_FEATURE_CEC,
@ -125,6 +129,11 @@ static const struct cros_feature_to_cells cros_subdevices[] = {
.mfd_cells = cros_ec_wdt_cells, .mfd_cells = cros_ec_wdt_cells,
.num_cells = ARRAY_SIZE(cros_ec_wdt_cells), .num_cells = ARRAY_SIZE(cros_ec_wdt_cells),
}, },
{
.id = EC_FEATURE_PWM_KEYB,
.mfd_cells = cros_ec_keyboard_leds_cells,
.num_cells = ARRAY_SIZE(cros_ec_keyboard_leds_cells),
},
}; };
static const struct mfd_cell cros_ec_platform_cells[] = { static const struct mfd_cell cros_ec_platform_cells[] = {