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850ba84b5c
Fix the warnings when using the W=1 compiler flag.
sound/soc/codecs/tlv320adcx140.c: In function ‘adcx140_reset’:
sound/soc/codecs/tlv320adcx140.c:570:6: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
570 | int ret = 0;
| ^~~
This was set but only used in case where the reset GPIO is not defined.
Have the function return the value of ret.
sound/soc/codecs/tlv320adcx140.c: In function ‘adcx140_codec_probe’:
sound/soc/codecs/tlv320adcx140.c:778:18: warning: comparison of unsigned expression < 0 is always false [-Wtype-limits]
778 | if (bias_source < ADCX140_MIC_BIAS_VAL_VREF ||
| ^
sound/soc/codecs/tlv320adcx140.c:789:18: warning: comparison of unsigned expression < 0 is always false [-Wtype-limits]
789 | if (vref_source < ADCX140_MIC_BIAS_VREF_275V ||
This condition will not occur since if the dt property is not set then
the *_source variable is set to the default value. So there is no way
that *_source can be less then 0. Which is what each #define is set to.
The code just needs to make sure that the dt property is not out of the
upper bounds.
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Dan Murphy <dmurphy@ti.com>
Link: https://lore.kernel.org/r/20200526175247.15309-1-dmurphy@ti.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.