unimplemented sound ioctl

[Alexander Leidinger]

On Wed, 30 Jun 2004 14:22:34 -0400
Mathew Kanner <mat at cnd.mcgill.ca> wrote:

> 	If we are missing IOCTL, this should be corrected.  If you can
> show that we are missing IOCTLs then we can at least implemented them
> as stubs so apps can compile and run.  I'm offline for at least a
> couple of weeks (I have moving!).

According to the OSS documentation from 4front (oss.pdf, page 105) we
are missing it...

Attached is a patch, I haven't tested it yet, but I will test it
tomorrow.

I don't know if we are allowed to switch at any time, so this may show
bad behavior if misused.

Bye,
Alexander.

-- 
           I'm available to get hired (preferred in .lu).

http://www.Leidinger.net                       Alexander @ Leidinger.net
  GPG fingerprint = C518 BC70 E67F 143F BE91  3365 79E2 9C60 B006 3FE7
-------------- next part --------------
Index: dsp.c
===================================================================
RCS file: /big/FreeBSD-CVS/src/sys/dev/sound/pcm/dsp.c,v
retrieving revision 1.76
diff -u -u -r1.76 dsp.c
--- dsp.c	17 Jun 2004 17:16:45 -0000	1.76
+++ dsp.c	30 Jun 2004 21:46:01 -0000
@@ -1006,6 +1006,15 @@
 		}
 		break;
 
+	case SNDCTL_DSP_SETDUPLEX:
+		/*
+		 * switch to full-duplex mode if card is in halb-duplex
+		 * mode and is able to work in full-duplex mode
+		 */
+		if (rdch && wrch && (dsp_get_flags(i_dev) & SD_F_SIMPLEX))
+			dsp_set_flags(i_dev, dsp_get_flags(i_dev)^SD_F_SIMPLEX);
+		break;
+
     	case SNDCTL_DSP_MAPINBUF:
     	case SNDCTL_DSP_MAPOUTBUF:
     	case SNDCTL_DSP_SETSYNCRO:
@@ -1015,6 +1024,7 @@
     	case SOUND_PCM_WRITE_FILTER:
     	case SOUND_PCM_READ_FILTER:
 		/* dunno what these do, don't sound important */
+
     	default:
 		DEB(printf("default ioctl fn 0x%08lx fail\n", cmd));
 		ret = EINVAL;