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ASoC: rt1011: add the range check for temperature_calib from device property

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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>
This commit is contained in:
Shuming Fan 2019-10-31 19:54:36 +08:00 committed by Mark Brown
parent 270d1b39b0
commit 98b6b8df06
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GPG Key ID: 24D68B725D5487D0
1 changed files with 2 additions and 1 deletions
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3
sound/soc/codecs/rt1011.c
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@ -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));