[src/trunk]: src/sys/dev/ic Set hw parameters for linear to ulaw filters.

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

details:   https://anonhg.NetBSD.org/src/rev/4dce764b83d9
branches:  trunk
changeset: 824979:4dce764b83d9
user:      nat <nat%NetBSD.org@localhost>
date:      Sun Jun 25 09:40:17 2017 +0000

description:
Set hw parameters for linear to ulaw filters.

Tested by flxd@.

diffstat:

 sys/dev/ic/am7930.c |  23 +++++++++++++----------
 1 files changed, 13 insertions(+), 10 deletions(-)

diffs (51 lines):

diff -r 08e742cd4180 -r 4dce764b83d9 sys/dev/ic/am7930.c
--- a/sys/dev/ic/am7930.c       Sun Jun 25 06:26:40 2017 +0000
+++ b/sys/dev/ic/am7930.c       Sun Jun 25 09:40:17 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: am7930.c,v 1.54 2017/06/25 02:09:47 nat Exp $  */
+/*     $NetBSD: am7930.c,v 1.55 2017/06/25 09:40:17 nat Exp $  */
 
 /*
  * Copyright (c) 1995 Rolf Grossmann
@@ -36,7 +36,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: am7930.c,v 1.54 2017/06/25 02:09:47 nat Exp $");
+__KERNEL_RCSID(0, "$NetBSD: am7930.c,v 1.55 2017/06/25 09:40:17 nat Exp $");
 
 #include "audio.h"
 #if NAUDIO > 0
@@ -242,6 +242,12 @@
                        hw.precision *= sc->sc_glue->factor;
                        pfil->append(pfil, sc->sc_glue->output_conv, &hw);
                }
+               if (p->encoding == AUDIO_ENCODING_SLINEAR) {
+                       hw = *p;
+                       hw.encoding = AUDIO_ENCODING_ULAW;
+                       pfil->append(pfil, linear8_to_mulaw, &hw);
+               }
+
        }
        if ((usemode & AUMODE_RECORD) == AUMODE_RECORD) {
                if (r->sample_rate < 7500 || r->sample_rate > 8500 ||
@@ -257,14 +263,11 @@
                        hw.precision *= sc->sc_glue->factor;
                        pfil->append(rfil, sc->sc_glue->input_conv, &hw);
                }
-       }
-
-       if (p->encoding == AUDIO_ENCODING_SLINEAR ||
-           r->encoding == AUDIO_ENCODING_SLINEAR) {
-               hw.encoding = AUDIO_ENCODING_ULAW;
-               pfil->req_size = rfil->req_size = 0;
-               rfil->append(rfil, mulaw_to_linear8, &hw);
-               pfil->append(pfil, linear8_to_mulaw, &hw);
+               if (r->encoding == AUDIO_ENCODING_SLINEAR) {
+                       hw = *r;
+                       hw.encoding = AUDIO_ENCODING_ULAW;
+                       rfil->append(rfil, mulaw_to_linear8, &hw);
+               }
        }
 
        return 0;