[src/trunk]: src/sys/dev/pci/hdaudio hdafg_halt_output: disable digital output

[jmcneill <jmcneill%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/79dbfa183430
branches:  trunk
changeset: 770600:79dbfa183430
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Tue Oct 25 00:00:13 2011 +0000

description:
hdafg_halt_output: disable digital output

diffstat:

 sys/dev/pci/hdaudio/hdafg.c |  32 ++++++++++++++++++++++++++++++--
 1 files changed, 30 insertions(+), 2 deletions(-)

diffs (53 lines):

diff -r b8d21d78edc2 -r 79dbfa183430 sys/dev/pci/hdaudio/hdafg.c
--- a/sys/dev/pci/hdaudio/hdafg.c       Mon Oct 24 23:58:01 2011 +0000
+++ b/sys/dev/pci/hdaudio/hdafg.c       Tue Oct 25 00:00:13 2011 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: hdafg.c,v 1.9 2011/10/24 02:08:22 jmcneill Exp $ */
+/* $NetBSD: hdafg.c,v 1.10 2011/10/25 00:00:13 jmcneill Exp $ */
 
 /*
  * Copyright (c) 2009 Precedence Technologies Ltd <support%precedence.co.uk@localhost>
@@ -60,7 +60,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: hdafg.c,v 1.9 2011/10/24 02:08:22 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: hdafg.c,v 1.10 2011/10/25 00:00:13 jmcneill Exp $");
 
 #include <sys/types.h>
 #include <sys/param.h>
@@ -3840,6 +3840,34 @@
 hdafg_halt_output(void *opaque)
 {
        struct hdaudio_audiodev *ad = opaque;
+       struct hdafg_softc *sc = ad->ad_sc;
+       struct hdaudio_assoc *as = ad->ad_sc->sc_assocs;
+       struct hdaudio_widget *w;
+       uint16_t dfmt;
+       int i, j;
+
+       /* Disable digital outputs */
+       for (i = 0; i < sc->sc_nassocs; i++) {
+               if (as[i].as_enable == false)
+                       continue;
+               if (as[i].as_dir != HDAUDIO_PINDIR_OUT)
+                       continue;
+               for (j = 0; j < HDAUDIO_MAXPINS; j++) {
+                       if (as[i].as_dacs[j] == 0)
+                               continue;
+                       w = hdafg_widget_lookup(sc, as[i].as_dacs[j]);
+                       if (w == NULL || w->w_enable == false)
+                               continue;
+                       if (w->w_p.aw_cap & COP_AWCAP_DIGITAL) {
+                               dfmt = hdaudio_command(sc->sc_codec, w->w_nid,
+                                   CORB_GET_DIGITAL_CONVERTER_CONTROL, 0) &
+                                   0xff;
+                               dfmt &= ~COP_DIGITAL_CONVCTRL1_DIGEN;
+                               hdaudio_command(sc->sc_codec, w->w_nid,
+                                   CORB_SET_DIGITAL_CONVERTER_CONTROL_1, dfmt);
+                       }
+               }
+       }
 
        hdaudio_stream_stop(ad->ad_playback);