From 98b6b8df06c7929de65ca3bf28a13b11170943e3 Mon Sep 17 00:00:00 2001 From: Shuming Fan Date: Thu, 31 Oct 2019 19:54:36 +0800 Subject: [PATCH] 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 --- sound/soc/codecs/rt1011.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/sound/soc/codecs/rt1011.c b/sound/soc/codecs/rt1011.c index 2f1de933f3ac..f2c581b66d32 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));