| Message ID | 20241115114924.23843-1-dheeraj.linuxdev@gmail.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | [sound-next] ASoC: rockchip: i2s-tdm: Fix a useless call issue | expand |
Hi Dheeraj,
kernel test robot noticed the following build warnings:
[auto build test WARNING on rockchip/for-next]
[also build test WARNING on linus/master v6.12-rc7 next-20241115]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Dheeraj-Reddy-Jonnalagadda/ASoC-rockchip-i2s-tdm-Fix-a-useless-call-issue/20241115-195011
base: https://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip.git for-next
patch link: https://lore.kernel.org/r/20241115114924.23843-1-dheeraj.linuxdev%40gmail.com
patch subject: [PATCH sound-next] ASoC: rockchip: i2s-tdm: Fix a useless call issue
config: loongarch-randconfig-r054-20241117 (https://download.01.org/0day-ci/archive/20241117/202411170713.FymmFfl3-lkp@intel.com/config)
compiler: loongarch64-linux-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241117/202411170713.FymmFfl3-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202411170713.FymmFfl3-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> sound/soc/rockchip/rockchip_i2s_tdm.c:517:12: warning: 'rockchip_i2s_ch_to_io' defined but not used [-Wunused-function]
517 | static int rockchip_i2s_ch_to_io(unsigned int ch, bool substream_capture)
| ^~~~~~~~~~~~~~~~~~~~~
vim +/rockchip_i2s_ch_to_io +517 sound/soc/rockchip/rockchip_i2s_tdm.c
081068fd641403 Nicolas Frattaroli 2021-10-01 516
081068fd641403 Nicolas Frattaroli 2021-10-01 @517 static int rockchip_i2s_ch_to_io(unsigned int ch, bool substream_capture)
081068fd641403 Nicolas Frattaroli 2021-10-01 518 {
081068fd641403 Nicolas Frattaroli 2021-10-01 519 if (substream_capture) {
081068fd641403 Nicolas Frattaroli 2021-10-01 520 switch (ch) {
081068fd641403 Nicolas Frattaroli 2021-10-01 521 case I2S_CHN_4:
081068fd641403 Nicolas Frattaroli 2021-10-01 522 return I2S_IO_6CH_OUT_4CH_IN;
081068fd641403 Nicolas Frattaroli 2021-10-01 523 case I2S_CHN_6:
081068fd641403 Nicolas Frattaroli 2021-10-01 524 return I2S_IO_4CH_OUT_6CH_IN;
081068fd641403 Nicolas Frattaroli 2021-10-01 525 case I2S_CHN_8:
081068fd641403 Nicolas Frattaroli 2021-10-01 526 return I2S_IO_2CH_OUT_8CH_IN;
081068fd641403 Nicolas Frattaroli 2021-10-01 527 default:
081068fd641403 Nicolas Frattaroli 2021-10-01 528 return I2S_IO_8CH_OUT_2CH_IN;
081068fd641403 Nicolas Frattaroli 2021-10-01 529 }
081068fd641403 Nicolas Frattaroli 2021-10-01 530 } else {
081068fd641403 Nicolas Frattaroli 2021-10-01 531 switch (ch) {
081068fd641403 Nicolas Frattaroli 2021-10-01 532 case I2S_CHN_4:
081068fd641403 Nicolas Frattaroli 2021-10-01 533 return I2S_IO_4CH_OUT_6CH_IN;
081068fd641403 Nicolas Frattaroli 2021-10-01 534 case I2S_CHN_6:
081068fd641403 Nicolas Frattaroli 2021-10-01 535 return I2S_IO_6CH_OUT_4CH_IN;
081068fd641403 Nicolas Frattaroli 2021-10-01 536 case I2S_CHN_8:
081068fd641403 Nicolas Frattaroli 2021-10-01 537 return I2S_IO_8CH_OUT_2CH_IN;
081068fd641403 Nicolas Frattaroli 2021-10-01 538 default:
081068fd641403 Nicolas Frattaroli 2021-10-01 539 return I2S_IO_2CH_OUT_8CH_IN;
081068fd641403 Nicolas Frattaroli 2021-10-01 540 }
081068fd641403 Nicolas Frattaroli 2021-10-01 541 }
081068fd641403 Nicolas Frattaroli 2021-10-01 542 }
081068fd641403 Nicolas Frattaroli 2021-10-01 543
diff --git a/sound/soc/rockchip/rockchip_i2s_tdm.c b/sound/soc/rockchip/rockchip_i2s_tdm.c index d1f28699652f..10f46fbe5175 100644 --- a/sound/soc/rockchip/rockchip_i2s_tdm.c +++ b/sound/soc/rockchip/rockchip_i2s_tdm.c @@ -577,7 +577,6 @@ static int rockchip_i2s_io_multiplex(struct snd_pcm_substream *substream, return -EINVAL; } - rockchip_i2s_ch_to_io(val, true); } else { struct snd_pcm_str *capture_str = &substream->pcm->streams[SNDRV_PCM_STREAM_CAPTURE];
This commit fixes a useless call issue detected by Coverity (CID 1507978). The call to rockchip_i2s_ch_to_io is unnecessary as its return value is never checked or used. Signed-off-by: Dheeraj Reddy Jonnalagadda <dheeraj.linuxdev@gmail.com> --- sound/soc/rockchip/rockchip_i2s_tdm.c | 1 - 1 file changed, 1 deletion(-)