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leds: disallow /sys/class/leds/*:multi:* for now

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All the LEDs in the queue are RGB, so they should not use multi for
their color.

Make sure we don't add such LED by mistake (and make it part of ABI).

Signed-off-by: Pavel Machek <pavel@ucw.cz>
This commit is contained in:
Pavel Machek 2020-08-03 14:00:06 +02:00
parent 54212f5a1b
commit 77dce3a22e
1 changed files with 4 additions and 0 deletions
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4
drivers/leds/led-core.c
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@ -425,6 +425,10 @@ int led_compose_name(struct device *dev, struct led_init_data *init_data,
struct fwnode_handle *fwnode = init_data->fwnode;
const char *devicename = init_data->devicename;
/* We want to label LEDs that can produce full range of colors
* as RGB, not multicolor */
BUG_ON(props.color == LED_COLOR_ID_MULTI);
if (!led_classdev_name)
return -EINVAL;