12:18 p.m.
tree: https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-4.14
head: 972c48e87ad66b0893810f0b2d839fcd77e5e31e
commit: 972c48e87ad66b0893810f0b2d839fcd77e5e31e [14/14] CHROMIUM: ASoC: cs42l42: Switch
to SCLK in IRQ
config: x86_64-randconfig-a012-20210510 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project
a0fed635fe1701470062495a6ffee1c608f3f1bc)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
# install x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
git remote add chrome-os
https://chromium.googlesource.com/chromiumos/third_party/kernel
git fetch --no-tags chrome-os chromeos-4.14
git checkout 972c48e87ad66b0893810f0b2d839fcd77e5e31e
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All warnings (new ones prefixed by >>):
> sound/soc/codecs/cs42l42.c:936:5: warning: no previous prototype
for function 'cs42l42_trigger' [-Wmissing-prototypes]
int
cs42l42_trigger(struct snd_pcm_substream * substream, int cmd, struct snd_soc_dai *dai)
^
sound/soc/codecs/cs42l42.c:936:1: note: declare 'static' if the function is not
intended to be used outside of this translation unit
int cs42l42_trigger(struct snd_pcm_substream * substream, int cmd, struct snd_soc_dai
*dai)
^
static
1 warning generated.
vim +/cs42l42_trigger +936 sound/soc/codecs/cs42l42.c
935
936 int cs42l42_trigger(struct snd_pcm_substream * substream, int
cmd, struct snd_soc_dai *dai)
937 {
938 struct snd_soc_component *component = dai->component;
939 struct cs42l42_private *cs42l42 = snd_soc_component_get_drvdata(component);
940 unsigned int regval;
941 int ret;
942 unsigned int count = 0;
943 int streams = cs42l42->stream_use;
944
945 /* Count currently active streams */
946 while (streams) {
947 if(streams & 1)
948 ++count;
949 streams >>= 1;
950 }
951
952 dev_dbg(component->dev, "%s() cs42l42->stream_use=%08x, active
streams=%d\n",
953 __func__, cs42l42->stream_use, count);
954
955 regmap_read(cs42l42->regmap, CS42L42_PLL_LOCK_STATUS, ®val);
956
957 switch (cmd) {
958 case SNDRV_PCM_TRIGGER_START:
959 if (!regval)
960 snd_soc_component_update_bits(component, CS42L42_PLL_CTL1,
961 CS42L42_PLL_START_MASK, 1);
962 break;
963
964 case SNDRV_PCM_TRIGGER_STOP:
965 /* Last active stream, switching to SCO */
966 if (count == 1) {
967 dev_dbg(component->dev, "%s() Switching to SCO\n", __func__);
968
969 regmap_multi_reg_write(cs42l42->regmap, cs42l42_to_osc_seq,
970 ARRAY_SIZE(cs42l42_to_osc_seq));
971
972 snd_soc_component_update_bits(component, CS42L42_MCLK_SRC_SEL,
973 CS42L42_MCLK_SRC_SEL_MASK |
974 CS42L42_MCLKDIV_MASK,
975 (0 << CS42L42_MCLK_SRC_SEL_SHIFT) |
976 (0 << CS42L42_MCLKDIV_SHIFT));
977
978 ret = snd_soc_component_update_bits(component, CS42L42_PLL_CTL1,
979 CS42L42_PLL_START_MASK, 0);
980
981 /* PLL unlock delay 10ms*/
982 usleep_range(10000,12000);
983
984 regmap_read(cs42l42->regmap, CS42L42_PLL_LOCK_STATUS, ®val);
985 }
986 break;
987
988 default:
989 break;
990 }
991
992 cs42l42->pll_lock = regval;
993
994 return 0;
995 }
996
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org