diff mbox series

[4/5] ASoC: rt1011: add the range check for temperature_calib from device property

Message ID 20191031115436.21055-1-shumingf@realtek.com (mailing list archive)
State Accepted
Commit 98b6b8df06c7929de65ca3bf28a13b11170943e3
Headers show
Series [1/5] ASoC: rt1011: remove redundant code in kcontrol | expand

Commit Message

Shuming [θŒƒζ›ΈιŠ˜] Oct. 31, 2019, 11:54 a.m. UTC 
From: Shuming Fan <shumingf@realtek.com>

The driver will check the range for temperature_calib.
It should be from 1 to 255.

Signed-off-by: Shuming Fan <shumingf@realtek.com>
---
 sound/soc/codecs/rt1011.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff mbox series

Patch

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));