pca955x_ledsel
ls = pca955x_ledsel(ls, bit, PCA955X_LS_LED_OFF);
ls = pca955x_ledsel(ls, bit, PCA955X_LS_LED_ON);
ls = pca955x_ledsel(ls, bit, PCA955X_LS_LED_OFF);
ls = pca955x_ledsel(ls, bit, PCA955X_LS_BLINK1);
ls = pca955x_ledsel(ls, bit, PCA955X_LS_BLINK0);
ls2[reg] = pca955x_ledsel(ls2[reg], bit, PCA955X_LS_LED_OFF);
ls2[reg] = pca955x_ledsel(ls2[reg], bit, PCA955X_LS_LED_ON);