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authorShuming Fan <[email protected]>2019-10-31 19:54:36 +0800
committerMark Brown <[email protected]>2019-10-31 14:20:01 +0100
commit98b6b8df06c7929de65ca3bf28a13b11170943e3 (patch)
tree602abea9d8f735c3a611e69dca8eb04cc6092759
parent270d1b39b006a408e35278d4b64b2c4e1945adf0 (diff)
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 <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Mark Brown <[email protected]>
-rw-r--r--sound/soc/codecs/rt1011.c3
1 files changed, 2 insertions, 1 deletions
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));