diff options
| -rw-r--r-- | src/drivers/i2c/ww_ring/ww_ring.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/drivers/i2c/ww_ring/ww_ring.c b/src/drivers/i2c/ww_ring/ww_ring.c index 780d0db0bb..bfecc60f40 100644 --- a/src/drivers/i2c/ww_ring/ww_ring.c +++ b/src/drivers/i2c/ww_ring/ww_ring.c @@ -349,6 +349,18 @@ int ww_ring_display_pattern(unsigned i2c_bus, enum display_pattern pattern) if (wwr_prog->led_pattern == pattern) { int j; + /* + * First stop all running programs to avoid + * inerference between the controllers. + */ + for (j = 0; j < WW_RING_NUM_LED_CONTROLLERS; j++) { + if (!lp55231s[j].dev_addr) + continue; + ledc_write_engctrl2 + (lp55231s + j, + LP55231_ENGCTRL2_ALL_DISABLE); + } + for (j = 0; j < WW_RING_NUM_LED_CONTROLLERS; j++) { if (!lp55231s[j].dev_addr) continue; |