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Set PCM_CAP_VIRTUAL for virtual DSP devices.

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Submitted by:	Kevin Zheng <kevinz5000@gmail.com>
PR:		246206
MFC after:	1 week
Sponsored by:	Mellanox Technologies
This commit is contained in:
Hans Petter Selasky 2020-05-07 18:15:35 +00:00
parent cfe6a221ad
commit 40d59cd731
1 changed files with 5 additions and 0 deletions
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5
sys/dev/sound/pcm/dsp.c
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@ -1703,6 +1703,10 @@ dsp_ioctl(struct cdev *i_dev, u_long cmd, caddr_t arg, int mode,
*arg_i = PCM_CAP_REALTIME | PCM_CAP_MMAP | PCM_CAP_TRIGGER;
if (rdch && wrch && !(dsp_get_flags(i_dev) & SD_F_SIMPLEX))
*arg_i |= PCM_CAP_DUPLEX;
if (rdch && (rdch->flags & CHN_F_VIRTUAL) != 0)
*arg_i |= PCM_CAP_VIRTUAL;
if (wrch && (wrch->flags & CHN_F_VIRTUAL) != 0)
*arg_i |= PCM_CAP_VIRTUAL;
PCM_UNLOCK(d);
break;
@ -2653,6 +2657,7 @@ dsp_oss_audioinfo(struct cdev *i_dev, oss_audioinfo *ai)
* these in pcmchan::caps?
*/
ai->caps = PCM_CAP_REALTIME | PCM_CAP_MMAP | PCM_CAP_TRIGGER |
((ch->flags & CHN_F_VIRTUAL) ? PCM_CAP_VIRTUAL : 0) |
((ch->direction == PCMDIR_PLAY) ? PCM_CAP_OUTPUT : PCM_CAP_INPUT);
/*