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Message-ID: <202103050718.Itgtqg46-lkp@intel.com>
Date: Fri, 5 Mar 2021 07:13:02 +0800
From: kernel test robot <lkp@...el.com>
To: Vitaly Rodionov <vitalyr@...nsource.cirrus.com>,
Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>
Cc: clang-built-linux@...glegroups.com, patches@...nsource.cirrus.com,
alsa-devel@...a-project.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 3/4] ALSA: hda/cirrus: Add jack detect interrupt
support from CS42L42 companion codec.
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: riscv-randconfig-r025-20210304 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project eec7f8f7b1226be422a76542cb403d02538f453a)
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 riscv cross compiling tool for clang build
# apt-get install binutils-riscv64-linux-gnu
# 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=clang make.cross ARCH=riscv
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
sound/pci/hda/patch_cirrus.c:1529:37: warning: variable 'retval' is uninitialized when used here [-Wuninitialized]
__func__, i2c_address, i2c_reg, retval);
^~~~~~
sound/pci/hda/hda_local.h:723:39: note: expanded from macro 'codec_err'
dev_err(hda_codec_dev(codec), fmt, ##args)
^~~~
include/linux/dev_printk.h:112:32: note: expanded from macro 'dev_err'
_dev_err(dev, dev_fmt(fmt), ##__VA_ARGS__)
^~~~~~~~~~~
sound/pci/hda/patch_cirrus.c:1519:21: note: initialize the variable 'retval' to silence this warning
unsigned int retval;
^
= 0
>> sound/pci/hda/patch_cirrus.c:1686:6: warning: no previous prototype for function 'cs8409_jack_unsol_event' [-Wmissing-prototypes]
void cs8409_jack_unsol_event(struct hda_codec *codec, unsigned int res)
^
sound/pci/hda/patch_cirrus.c:1686:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void cs8409_jack_unsol_event(struct hda_codec *codec, unsigned int res)
^
static
2 warnings generated.
vim +/cs8409_jack_unsol_event +1686 sound/pci/hda/patch_cirrus.c
1511
1512 /* CS8409 slave i2cRead */
1513 static unsigned int cs8409_i2c_read(struct hda_codec *codec,
1514 unsigned int i2c_address,
1515 unsigned int i2c_reg,
1516 unsigned int paged)
1517 {
1518 unsigned int i2c_reg_data;
> 1519 unsigned int retval;
1520
1521 cs8409_enable_i2c_clock(codec, 1);
1522 cs_vendor_coef_set(codec, CIR_I2C_ADDR, i2c_address);
1523
1524 if (paged) {
1525 cs_vendor_coef_set(codec, CIR_I2C_QWRITE, i2c_reg >> 8);
1526 if (cs8409_i2c_wait_complete(codec) == -1) {
1527 codec_err(codec,
1528 "%s() Paged Transaction Failed 0x%02x : 0x%04x = 0x%02x\n",
1529 __func__, i2c_address, i2c_reg, retval);
1530 }
1531 }
1532
1533 i2c_reg_data = (i2c_reg << 8) & 0x0ffff;
1534 cs_vendor_coef_set(codec, CIR_I2C_QREAD, i2c_reg_data);
1535 if (cs8409_i2c_wait_complete(codec) == -1) {
1536 codec_err(codec, "%s() Transaction Failed 0x%02x : 0x%04x = 0x%02x\n",
1537 __func__, i2c_address, i2c_reg, retval);
1538 }
1539
1540 /* Register in bits 15-8 and the data in 7-0 */
1541 retval = cs_vendor_coef_get(codec, CIR_I2C_QREAD);
1542 retval &= 0x0ff;
1543
1544 cs8409_enable_i2c_clock(codec, 0);
1545
1546 return retval;
1547 }
1548
1549 /* CS8409 slave i2cWrite */
1550 static unsigned int cs8409_i2c_write(struct hda_codec *codec,
1551 unsigned int i2c_address, unsigned int i2c_reg,
1552 unsigned int i2c_data,
1553 unsigned int paged)
1554 {
1555 unsigned int retval = 0;
1556 unsigned int i2c_reg_data = 0;
1557
1558 cs8409_enable_i2c_clock(codec, 1);
1559 cs_vendor_coef_set(codec, CIR_I2C_ADDR, i2c_address);
1560
1561 if (paged) {
1562 cs_vendor_coef_set(codec, CIR_I2C_QWRITE, i2c_reg >> 8);
1563 if (cs8409_i2c_wait_complete(codec) == -1) {
1564 codec_err(codec,
1565 "%s() Paged Transaction Failed 0x%02x : 0x%04x = 0x%02x\n",
1566 __func__, i2c_address, i2c_reg, retval);
1567 }
1568 }
1569
1570 i2c_reg_data = ((i2c_reg << 8) & 0x0ff00) | (i2c_data & 0x0ff);
1571 cs_vendor_coef_set(codec, CIR_I2C_QWRITE, i2c_reg_data);
1572
1573 if (cs8409_i2c_wait_complete(codec) == -1) {
1574 codec_err(codec, "%s() Transaction Failed 0x%02x : 0x%04x = 0x%02x\n",
1575 __func__, i2c_address, i2c_reg, retval);
1576 }
1577
1578 cs8409_enable_i2c_clock(codec, 0);
1579
1580 return retval;
1581 }
1582
1583 /* Assert/release RTS# line to CS42L42 */
1584 static void cs8409_cs42l42_reset(struct hda_codec *codec)
1585 {
1586 struct cs_spec *spec = codec->spec;
1587
1588 /* Assert RTS# line */
1589 snd_hda_codec_write(codec,
1590 codec->core.afg, 0, AC_VERB_SET_GPIO_DATA, 0);
1591 /* wait ~10ms */
1592 usleep_range(10000, 15000);
1593 /* Release RTS# line */
1594 snd_hda_codec_write(codec,
1595 codec->core.afg, 0, AC_VERB_SET_GPIO_DATA, GPIO5_INT);
1596 /* wait ~10ms */
1597 usleep_range(10000, 15000);
1598
1599 mutex_lock(&spec->cs8409_i2c_mux);
1600
1601 /* Clear interrupts, by reading interrupt status registers */
1602 cs8409_i2c_read(codec, CS42L42_I2C_ADDR, 0x1308, 1);
1603 cs8409_i2c_read(codec, CS42L42_I2C_ADDR, 0x1309, 1);
1604 cs8409_i2c_read(codec, CS42L42_I2C_ADDR, 0x130A, 1);
1605 cs8409_i2c_read(codec, CS42L42_I2C_ADDR, 0x130F, 1);
1606
1607 mutex_unlock(&spec->cs8409_i2c_mux);
1608
1609 }
1610
1611 /* Configure CS42L42 slave codec for jack autodetect */
1612 static int cs8409_cs42l42_enable_jack_detect(struct hda_codec *codec)
1613 {
1614 struct cs_spec *spec = codec->spec;
1615
1616 mutex_lock(&spec->cs8409_i2c_mux);
1617
1618 /* Set TIP_SENSE_EN for analog front-end of tip sense. */
1619 cs8409_i2c_write(codec, CS42L42_I2C_ADDR, 0x1b70, 0x0020, 1);
1620 /* Clear WAKE# */
1621 cs8409_i2c_write(codec, CS42L42_I2C_ADDR, 0x1b71, 0x0001, 1);
1622 /* Wait ~2.5ms */
1623 usleep_range(2500, 3000);
1624 /* Set mode WAKE# output follows the combination logic directly */
1625 cs8409_i2c_write(codec, CS42L42_I2C_ADDR, 0x1b71, 0x0020, 1);
1626 /* Clear interrupts status */
1627 cs8409_i2c_read(codec, CS42L42_I2C_ADDR, 0x130f, 1);
1628 cs8409_i2c_read(codec, CS42L42_I2C_ADDR, 0x1b7b, 1);
1629 /* Enable interrupt */
1630 cs8409_i2c_write(codec, CS42L42_I2C_ADDR, 0x1320, 0x03, 1);
1631 cs8409_i2c_write(codec, CS42L42_I2C_ADDR, 0x1b79, 0x00, 1);
1632
1633 mutex_unlock(&spec->cs8409_i2c_mux);
1634
1635 return 0;
1636 }
1637
1638 /* Enable and run CS42L42 slave codec jack auto detect */
1639 static void cs8409_cs42l42_run_jack_detect(struct hda_codec *codec)
1640 {
1641 struct cs_spec *spec = codec->spec;
1642
1643 mutex_lock(&spec->cs8409_i2c_mux);
1644
1645 /* Clear interrupts */
1646 cs8409_i2c_read(codec, CS42L42_I2C_ADDR, 0x1308, 1);
1647 cs8409_i2c_read(codec, CS42L42_I2C_ADDR, 0x1b77, 1);
1648
1649 cs8409_i2c_write(codec, CS42L42_I2C_ADDR, 0x1102, 0x87, 1);
1650 cs8409_i2c_write(codec, CS42L42_I2C_ADDR, 0x1f06, 0x86, 1);
1651 cs8409_i2c_write(codec, CS42L42_I2C_ADDR, 0x1b74, 0x07, 1);
1652 cs8409_i2c_write(codec, CS42L42_I2C_ADDR, 0x131b, 0x01, 1);
1653 cs8409_i2c_write(codec, CS42L42_I2C_ADDR, 0x1120, 0x80, 1);
1654 /* Wait ~110ms*/
1655 usleep_range(110000, 200000);
1656 cs8409_i2c_write(codec, CS42L42_I2C_ADDR, 0x111f, 0x77, 1);
1657 cs8409_i2c_write(codec, CS42L42_I2C_ADDR, 0x1120, 0xc0, 1);
1658 /* Wait ~10ms */
1659 usleep_range(10000, 25000);
1660
1661 mutex_unlock(&spec->cs8409_i2c_mux);
1662
1663 }
1664
1665 static void cs8409_cs42l42_reg_setup(struct hda_codec *codec)
1666 {
1667 const struct cs8409_i2c_param *seq = cs42l42_init_reg_seq;
1668 struct cs_spec *spec = codec->spec;
1669
1670 mutex_lock(&spec->cs8409_i2c_mux);
1671
1672 for (; seq->addr; seq++)
1673 cs8409_i2c_write(codec, CS42L42_I2C_ADDR, seq->addr, seq->reg, 1);
1674
1675 mutex_unlock(&spec->cs8409_i2c_mux);
1676
1677 }
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
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