If LED strip can't be found, behaviors return err

This commit is contained in:
Nick 2020-07-26 12:49:43 -05:00
parent 6956094ac0
commit dc8c7011b1

View file

@ -203,6 +203,8 @@ static int zmk_rgb_underglow_init(struct device *_arg)
int zmk_rgb_underglow_cycle_effect(int direction)
{
if (!led_strip) return -ENODEV;
if (state.current_effect == 0 && direction < 0) {
state.current_effect = UNDERGLOW_EFFECT_NUMBER - 1;
return 0;
@ -221,6 +223,8 @@ int zmk_rgb_underglow_cycle_effect(int direction)
int zmk_rgb_underglow_toggle()
{
if (!led_strip) return -ENODEV;
state.on = !state.on;
if (state.on) {
@ -243,6 +247,8 @@ int zmk_rgb_underglow_toggle()
int zmk_rgb_underglow_change_hue(int direction)
{
if (!led_strip) return -ENODEV;
if (state.hue == 0 && direction < 0) {
state.hue = 350;
return 0;
@ -259,6 +265,8 @@ int zmk_rgb_underglow_change_hue(int direction)
int zmk_rgb_underglow_change_sat(int direction)
{
if (!led_strip) return -ENODEV;
if (state.saturation == 0 && direction < 0) {
return 0;
}
@ -274,6 +282,8 @@ int zmk_rgb_underglow_change_sat(int direction)
int zmk_rgb_underglow_change_brt(int direction)
{
if (!led_strip) return -ENODEV;
if (state.brightness == 0 && direction < 0) {
return 0;
}
@ -289,6 +299,8 @@ int zmk_rgb_underglow_change_brt(int direction)
int zmk_rgb_underglow_change_spd(int direction)
{
if (!led_strip) return -ENODEV;
if (state.animation_speed == 1 && direction < 0) {
return 0;
}