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sound: Support oss_audioinfo->cmd

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Sponsored by:	The FreeBSD Foundation
MFC after:	1 day
Reviewed by:	dev_submerge.ch, markj
Differential Revision:	https://reviews.freebsd.org/D45603
This commit is contained in:
Christos Margiolis 2024-06-18 15:18:58 +02:00
parent af1b0aa5b9
commit 8e36d21259
1 changed files with 3 additions and 7 deletions
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10
sys/dev/sound/pcm/dsp.c
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@ -2047,6 +2047,7 @@ dsp_oss_audioinfo_unavail(oss_audioinfo *ai, int unit)
ai->dev = unit;
snprintf(ai->name, sizeof(ai->name), "pcm%d (unavailable)", unit);
ai->pid = -1;
strlcpy(ai->cmd, CHN_COMM_UNUSED, sizeof(ai->cmd));
ai->card_number = unit;
ai->port_number = unit;
ai->mixer_dev = -1;
@ -2132,6 +2133,7 @@ dsp_oss_audioinfo(struct cdev *i_dev, oss_audioinfo *ai, bool ex)
ai->dev = unit;
strlcpy(ai->name, device_get_desc(d->dev), sizeof(ai->name));
ai->pid = -1;
strlcpy(ai->cmd, CHN_COMM_UNKNOWN, sizeof(ai->cmd));
ai->card_number = -1;
ai->port_number = -1;
ai->mixer_dev = (d->mixer_dev != NULL) ? unit : -1;
@ -2317,14 +2319,8 @@ dsp_oss_engineinfo(struct cdev *i_dev, oss_audioinfo *ai)
else
ai->busy = (ch->direction == PCMDIR_PLAY) ? OPEN_WRITE : OPEN_READ;
/**
* @note
* @c cmd - OSSv4 docs: "Only supported under Linux at
* this moment." Cop-out, I know, but I'll save
* running around in the process table for later.
* Is there a risk of leaking information?
*/
ai->pid = ch->pid;
strlcpy(ai->cmd, ch->comm, sizeof(ai->cmd));
/*
* These flags stolen from SNDCTL_DSP_GETCAPS handler.