On 4/18/2023 8:09 PM, Tom Rix wrote:
clang build reports sound/soc/codecs/nau8825.c:2826:31: error: overlapping comparisons always evaluate to false [-Werror,-Wtautological-overlap-compare] if (nau8825->adc_delay < 125 && nau8825->adc_delay > 500) ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
This is a bug, a logical-or should have been used.
Fixes: fc0b096c9291 ("ASoC: nau8825: Add delay control for input path") Signed-off-by: Tom Rix trix@redhat.com
sound/soc/codecs/nau8825.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sound/soc/codecs/nau8825.c b/sound/soc/codecs/nau8825.c index c4389f5fe603..f4eb999761a4 100644 --- a/sound/soc/codecs/nau8825.c +++ b/sound/soc/codecs/nau8825.c @@ -2823,7 +2823,7 @@ static int nau8825_read_device_properties(struct device *dev, ret = device_property_read_u32(dev, "nuvoton,adc-delay-ms", &nau8825->adc_delay); if (ret) nau8825->adc_delay = 125;
if (nau8825->adc_delay < 125 && nau8825->adc_delay > 500)
if (nau8825->adc_delay < 125 || nau8825->adc_delay > 500) dev_warn(dev, "Please set the suitable delay time!\n"); nau8825->mclk = devm_clk_get(dev, "mclk");
Sorry, it is my fault. You are right.
Acked-by: David Lin CTLIN0@nuvoton.com
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