Index: head/share/man/man4/snd_hda.4 =================================================================== --- head/share/man/man4/snd_hda.4 +++ head/share/man/man4/snd_hda.4 @@ -25,7 +25,7 @@ .\" .\" $FreeBSD$ .\" -.Dd April 1, 2018 +.Dd July 16, 2019 .Dt SND_HDA 4 .Os .Sh NAME @@ -153,6 +153,12 @@ and .Dq Li ovref Ns Ar X options control the voltage used to power external microphones. +.It Va dev.hdaa.%d.init_clear +Zero out the pin widget config setup by the system. +Some systems seem to have unuseable audio devices if the pin widgit +configuration is cleared. +Set this value to 0 to accept the default configuration values setup by the +BIOS. .It Va hint.hdaa.%d.gpio_config Overrides audio function GPIO pins configuration set by BIOS. May be specified as a set of space-separated Index: head/sys/dev/sound/pci/hda/hdaa.h =================================================================== --- head/sys/dev/sound/pci/hda/hdaa.h +++ head/sys/dev/sound/pci/hda/hdaa.h @@ -214,6 +214,7 @@ struct hdaa_chan *chans; struct callout poll_jack; int poll_ival; + uint32_t init_clear; }; #define HDAA_CHN_RUNNING 0x00000001 Index: head/sys/dev/sound/pci/hda/hdaa.c =================================================================== --- head/sys/dev/sound/pci/hda/hdaa.c +++ head/sys/dev/sound/pci/hda/hdaa.c @@ -5034,11 +5034,13 @@ pincap = w->wclass.pin.cap; /* Disable everything. */ - w->wclass.pin.ctrl &= ~( - HDA_CMD_SET_PIN_WIDGET_CTRL_HPHN_ENABLE | - HDA_CMD_SET_PIN_WIDGET_CTRL_OUT_ENABLE | - HDA_CMD_SET_PIN_WIDGET_CTRL_IN_ENABLE | - HDA_CMD_SET_PIN_WIDGET_CTRL_VREF_ENABLE_MASK); + if (devinfo->init_clear) { + w->wclass.pin.ctrl &= ~( + HDA_CMD_SET_PIN_WIDGET_CTRL_HPHN_ENABLE | + HDA_CMD_SET_PIN_WIDGET_CTRL_OUT_ENABLE | + HDA_CMD_SET_PIN_WIDGET_CTRL_IN_ENABLE | + HDA_CMD_SET_PIN_WIDGET_CTRL_VREF_ENABLE_MASK); + } if (w->enable == 0) { /* Pin is unused so left it disabled. */ @@ -6671,6 +6673,10 @@ SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "reconfig", CTLTYPE_INT | CTLFLAG_RW, dev, 0, hdaa_sysctl_reconfig, "I", "Reprocess configuration"); + SYSCTL_ADD_INT(device_get_sysctl_ctx(dev), + SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, + "init_clear", CTLFLAG_RW, + &devinfo->init_clear, 1,"Clear initial pin widget configuration"); bus_generic_attach(dev); return (0); }