Hi Vitaly, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on sound/for-next] [also build test WARNING on v5.12-rc1 next-20210304] [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] url: https://github.com/0day-ci/linux/commits/Vitaly-Rodionov/ALSA-hda-cirrus-Add-support-for-CS8409-HDA-bridge-and-CS42L42-companion-codec/20210305-030714 base: https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git for-next config: alpha-randconfig-r035-20210305 (attached as .config) compiler: alpha-linux-gcc (GCC) 9.3.0 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 # https://github.com/0day-ci/linux/commit/9d4c2aa0fd6872aa8b866929c1537ce2905a6dba git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Vitaly-Rodionov/ALSA-hda-cirrus-Add-support-for-CS8409-HDA-bridge-and-CS42L42-companion-codec/20210305-030714 git checkout 9d4c2aa0fd6872aa8b866929c1537ce2905a6dba # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=alpha If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> sound/pci/hda/patch_cirrus.c:1686:6: warning: no previous prototype for 'cs8409_jack_unsol_event' [-Wmissing-prototypes] 1686 | void cs8409_jack_unsol_event(struct hda_codec *codec, unsigned int res) | ^~~~~~~~~~~~~~~~~~~~~~~ vim +/cs8409_jack_unsol_event +1686 sound/pci/hda/patch_cirrus.c 1678 1679 /* 1680 * In the case of CS8409 we do not have unsolicited events from NID's 0x24 1681 * and 0x34 where hs mic and hp are connected. Companion codec CS42L42 will 1682 * generate interrupt via gpio 4 to notify jack events. We have to overwrite 1683 * generic snd_hda_jack_unsol_event(), read CS42L42 jack detect status registers 1684 * and then notify status via generic snd_hda_jack_unsol_event() call. 1685 */ > 1686 void cs8409_jack_unsol_event(struct hda_codec *codec, unsigned int res) 1687 { 1688 struct cs_spec *spec = codec->spec; 1689 int status_changed = 0; 1690 unsigned int reg_cdc_status = 0; 1691 unsigned int reg_hs_status = 0; 1692 unsigned int reg_ts_status = 0; 1693 int type = 0; 1694 struct hda_jack_tbl *jk; 1695 1696 /* jack_unsol_event() will be called every time gpio line changing state. 1697 * In this case gpio4 line goes up as a result of reading interrupt status 1698 * registers in previous cs8409_jack_unsol_event() call. 1699 * We don't need to handle this event, ignoring... 1700 */ 1701 if ((res & (1 << 4))) 1702 return; 1703 1704 mutex_lock(&spec->cs8409_i2c_mux); 1705 1706 /* Read jack detect status registers */ 1707 reg_cdc_status = cs8409_i2c_read(codec, CS42L42_I2C_ADDR, 0x1308, 1); 1708 reg_hs_status = cs8409_i2c_read(codec, CS42L42_I2C_ADDR, 0x1124, 1); 1709 reg_ts_status = cs8409_i2c_read(codec, CS42L42_I2C_ADDR, 0x130f, 1); 1710 1711 /* Clear interrupts */ 1712 cs8409_i2c_read(codec, CS42L42_I2C_ADDR, 0x1b7b, 1); 1713 cs8409_i2c_read(codec, CS42L42_I2C_ADDR, 0x1308, 1); 1714 cs8409_i2c_read(codec, CS42L42_I2C_ADDR, 0x130f, 1); 1715 1716 mutex_unlock(&spec->cs8409_i2c_mux); 1717 1718 /* HSDET_AUTO_DONE */ 1719 if (reg_cdc_status & CS42L42_HSDET_AUTO_DONE) { 1720 1721 type = ((reg_hs_status & CS42L42_HSTYPE_MASK) + 1); 1722 /* CS42L42 reports optical jack as type 4 1723 * We don't handle optical jack 1724 */ 1725 if (type != 4) { 1726 if (!spec->cs42l42_hp_jack_in) { 1727 status_changed = 1; 1728 spec->cs42l42_hp_jack_in = 1; 1729 } 1730 /* type = 3 has no mic */ 1731 if ((!spec->cs42l42_mic_jack_in) && (type != 3)) { 1732 status_changed = 1; 1733 spec->cs42l42_mic_jack_in = 1; 1734 } 1735 } 1736 1737 } else { 1738 /* TIP_SENSE INSERT/REMOVE */ 1739 switch (reg_ts_status) { 1740 case CS42L42_JACK_INSERTED: 1741 cs8409_cs42l42_run_jack_detect(codec); 1742 break; 1743 1744 case CS42L42_JACK_REMOVED: 1745 if (spec->cs42l42_hp_jack_in || spec->cs42l42_mic_jack_in) { 1746 status_changed = 1; 1747 spec->cs42l42_hp_jack_in = 0; 1748 spec->cs42l42_mic_jack_in = 0; 1749 } 1750 break; 1751 1752 default: 1753 /* jack in transition */ 1754 status_changed = 0; 1755 break; 1756 } 1757 } 1758 1759 if (status_changed) { 1760 1761 snd_hda_set_pin_ctl(codec, CS8409_CS42L42_SPK_PIN_NID, 1762 (spec->cs42l42_hp_jack_in)?0 : PIN_OUT); 1763 1764 /* Report jack*/ 1765 jk = snd_hda_jack_tbl_get_mst(codec, CS8409_CS42L42_HP_PIN_NID, 0); 1766 if (jk) { 1767 snd_hda_jack_unsol_event(codec, 1768 (jk->tag << AC_UNSOL_RES_TAG_SHIFT) & AC_UNSOL_RES_TAG); 1769 } 1770 /* Report jack*/ 1771 jk = snd_hda_jack_tbl_get_mst(codec, CS8409_CS42L42_AMIC_PIN_NID, 0); 1772 if (jk) { 1773 snd_hda_jack_unsol_event(codec, 1774 (jk->tag << AC_UNSOL_RES_TAG_SHIFT) & AC_UNSOL_RES_TAG); 1775 } 1776 } 1777 } 1778 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org