git: a44c45c7f597 - main - sound: Simplify unit fetching in dsp_oss_audioinfo()
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Date: Thu, 18 Apr 2024 20:35:53 UTC
The branch main has been updated by christos: URL: https://cgit.FreeBSD.org/src/commit/?id=a44c45c7f597d67d37e09396b0778a2847a30981 commit a44c45c7f597d67d37e09396b0778a2847a30981 Author: Christos Margiolis <christos@FreeBSD.org> AuthorDate: 2024-04-18 20:35:20 +0000 Commit: Christos Margiolis <christos@FreeBSD.org> CommitDate: 2024-04-18 20:35:41 +0000 sound: Simplify unit fetching in dsp_oss_audioinfo() "i" keeps the value of the current unit, so we do not have to call PCMUNIT() and device_get_unit() to fetch it. In the mixer case, I think it is more correct to do it like this, since mixer and DSP device units have a 1-1 relationship (i.e the mixer unit is always the same as the corresponding DSP device one) and that way we can make it more clear. Sponsored by: The FreeBSD Foundation MFC after: 1 week Reviewed by: markj Differential Revision: https://reviews.freebsd.org/D44855 --- sys/dev/sound/pcm/dsp.c | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) diff --git a/sys/dev/sound/pcm/dsp.c b/sys/dev/sound/pcm/dsp.c index f685d7e38f6d..1c020ba22611 100644 --- a/sys/dev/sound/pcm/dsp.c +++ b/sys/dev/sound/pcm/dsp.c @@ -2177,7 +2177,7 @@ dsp_oss_audioinfo(struct cdev *i_dev, oss_audioinfo *ai) struct pcm_channel *ch; struct snddev_info *d; uint32_t fmts; - int i, nchan, *rates, minch, maxch; + int i, nchan, *rates, minch, maxch, unit; char *devname, buf[CHN_NAMELEN]; /* @@ -2197,9 +2197,9 @@ dsp_oss_audioinfo(struct cdev *i_dev, oss_audioinfo *ai) * Search for the requested audio device (channel). Start by * iterating over pcm devices. */ - for (i = 0; pcm_devclass != NULL && - i < devclass_get_maxunit(pcm_devclass); i++) { - d = devclass_get_softc(pcm_devclass, i); + for (unit = 0; pcm_devclass != NULL && + unit < devclass_get_maxunit(pcm_devclass); unit++) { + d = devclass_get_softc(pcm_devclass, unit); if (!PCM_REGISTERED(d)) continue; @@ -2324,14 +2324,13 @@ dsp_oss_audioinfo(struct cdev *i_dev, oss_audioinfo *ai) * @todo @c port_number - routing information? */ ai->port_number = -1; - ai->mixer_dev = (d->mixer_dev != NULL) ? PCMUNIT(d->mixer_dev) : -1; + ai->mixer_dev = (d->mixer_dev != NULL) ? unit : -1; /** * @note * @c real_device - OSSv4 docs: "Obsolete." */ ai->real_device = -1; - snprintf(ai->devnode, sizeof(ai->devnode), - "/dev/dsp%d", device_get_unit(d->dev)); + snprintf(ai->devnode, sizeof(ai->devnode), "/dev/dsp%d", unit); ai->enabled = device_is_attached(d->dev) ? 1 : 0; /** * @note