From: Shuming Fan Date: Thu, 31 Oct 2019 11:54:36 +0000 (+0800) Subject: ASoC: rt1011: add the range check for temperature_calib from device property X-Git-Tag: v5.10.7~3493^2~20^2~125 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=98b6b8df06c7929de65ca3bf28a13b11170943e3;p=platform%2Fkernel%2Flinux-rpi.git ASoC: rt1011: add the range check for temperature_calib from device property The driver will check the range for temperature_calib. It should be from 1 to 255. Signed-off-by: Shuming Fan Link: https://lore.kernel.org/r/20191031115436.21055-1-shumingf@realtek.com Signed-off-by: Mark Brown --- diff --git a/sound/soc/codecs/rt1011.c b/sound/soc/codecs/rt1011.c index 2f1de93..f2c581b 100644 --- a/sound/soc/codecs/rt1011.c +++ b/sound/soc/codecs/rt1011.c @@ -2341,7 +2341,8 @@ static void rt1011_calibration_work(struct work_struct *work) rt1011_reg_init(component); /* Apply temperature and calibration data from device property */ - if (rt1011->temperature_calib) { + if (rt1011->temperature_calib <= 0xff && + rt1011->temperature_calib > 0) { snd_soc_component_update_bits(component, RT1011_STP_INITIAL_RESISTANCE_TEMP, 0x3ff, (rt1011->temperature_calib << 2));