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| author | Pavel Machek <pavel@ucw.cz> | 2020-08-03 14:00:06 +0200 |
|---|---|---|
| committer | Pavel Machek <pavel@ucw.cz> | 2020-08-03 14:00:06 +0200 |
| commit | 77dce3a22e8941552a15046d4113df9ce132fb3d (patch) | |
| tree | 7dad296765c27d36364aeaed031bc2854af2423d /drivers/leds/led-core.c | |
| parent | leds: add RGB color option, as that is different from multicolor. (diff) | |
| download | linux-77dce3a22e8941552a15046d4113df9ce132fb3d.tar.xz linux-77dce3a22e8941552a15046d4113df9ce132fb3d.zip | |
leds: disallow /sys/class/leds/*:multi:* for now
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>
Diffstat (limited to 'drivers/leds/led-core.c')
| -rw-r--r-- | drivers/leds/led-core.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/leds/led-core.c b/drivers/leds/led-core.c index a6dce01dbd5e..c4e780bdb385 100644 --- a/drivers/leds/led-core.c +++ b/drivers/leds/led-core.c @@ -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; |