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ASoC: rt1011: add the range check for temperature_calib from device property
author
Shuming Fan
<shumingf@realtek.com>
Thu, 31 Oct 2019 11:54:36 +0000
(19:54 +0800)
committer
Mark Brown
<broonie@kernel.org>
Thu, 31 Oct 2019 13:20:01 +0000
(14:20 +0100)
The driver will check the range for temperature_calib.
It should be from 1 to 255.
Signed-off-by: Shuming Fan <shumingf@realtek.com>
Link:
https://lore.kernel.org/r/20191031115436.21055-1-shumingf@realtek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
sound/soc/codecs/rt1011.c
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diff --git
a/sound/soc/codecs/rt1011.c
b/sound/soc/codecs/rt1011.c
index
2f1de93
..
f2c581b
100644
(file)
--- 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));