ABACI reported the following bug by code static scanning: drivers/leds/leds-pca955x.c:149:19: warning: unused function 'pca95xx_num_led_regs'. In the following kernel version: name: linux-next url: http://kernel.source.codeaurora.cn/pub/scm/linux/kernel/git/next/linux-next.git branch: next-20220912 commit: 044b771be9c5de9d817dfafb829d2f049c71c3b4
submitted to upstream: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=38bcb51f81af17a6d40fc135e565fc1fb8aa8e9d