D60553.1794752627.diff
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	diff --git a/sys/arm/freescale/imx/imx6_ssi.c b/sys/arm/freescale/imx/imx6_ssi.c
	--- a/sys/arm/freescale/imx/imx6_ssi.c
	+++ b/sys/arm/freescale/imx/imx6_ssi.c
	@@ -395,7 +395,8 @@
	struct sc_pcminfo *scp = ch->parent;
	struct sc_info *sc = scp->sc;

	- sndbuf_resize(ch->buffer, sc->dma_size / blocksize, blocksize);
	+ if (sndbuf_resize(ch->buffer, sc->dma_size / blocksize, blocksize) != 0)
	+ return (0);

	setup_dma(scp);

	diff --git a/sys/arm/freescale/vybrid/vf_sai.c b/sys/arm/freescale/vybrid/vf_sai.c
	--- a/sys/arm/freescale/vybrid/vf_sai.c
	+++ b/sys/arm/freescale/vybrid/vf_sai.c
	@@ -368,7 +368,8 @@
	struct sc_pcminfo *scp = ch->parent;
	struct sc_info *sc = scp->sc;

	- sndbuf_resize(ch->buffer, sc->dma_size / blocksize, blocksize);
	+ if (sndbuf_resize(ch->buffer, sc->dma_size / blocksize, blocksize) != 0)
	+ return (0);

	sc->period = sndbuf_getblksz(ch->buffer);
	return (sc->period);
	diff --git a/sys/dev/sound/pci/als4000.c b/sys/dev/sound/pci/als4000.c
	--- a/sys/dev/sound/pci/als4000.c
	+++ b/sys/dev/sound/pci/als4000.c
	@@ -267,7 +267,8 @@
	if (blocksize > sc->bufsz / 2) {
	blocksize = sc->bufsz / 2;
	}
	- sndbuf_resize(ch->buffer, 2, blocksize);
	+ if (sndbuf_resize(ch->buffer, 2, blocksize) != 0)
	+ return 0;
	return blocksize;
	}

	diff --git a/sys/dev/sound/pci/atiixp.c b/sys/dev/sound/pci/atiixp.c
	--- a/sys/dev/sound/pci/atiixp.c
	+++ b/sys/dev/sound/pci/atiixp.c
	@@ -532,6 +532,7 @@
	{
	struct atiixp_chinfo *ch = data;
	struct atiixp_info *sc = ch->parent;
	+ int error;

	blksz &= ATI_IXP_BLK_ALIGN;

	@@ -555,9 +556,11 @@

	if ((sndbuf_getblksz(ch->buffer) != blksz \|\|
	sndbuf_getblkcnt(ch->buffer) != blkcnt) &&
	- sndbuf_resize(ch->buffer, blkcnt, blksz) != 0)
	+ (error = sndbuf_resize(ch->buffer, blkcnt, blksz)) != 0) {
	device_printf(sc->dev, "%s: failed blksz=%u blkcnt=%u\n",
	__func__, blksz, blkcnt);
	+ return (error);
	+ }

	ch->blksz = sndbuf_getblksz(ch->buffer);
	ch->blkcnt = sndbuf_getblkcnt(ch->buffer);
	@@ -571,7 +574,8 @@
	struct atiixp_chinfo *ch = data;
	struct atiixp_info *sc = ch->parent;

	- atiixp_chan_setfragments(obj, data, blksz, sc->blkcnt);
	+ if (atiixp_chan_setfragments(obj, data, blksz, sc->blkcnt) != 0)
	+ return (0);

	return (ch->blksz);
	}
	diff --git a/sys/dev/sound/pci/cmi.c b/sys/dev/sound/pci/cmi.c
	--- a/sys/dev/sound/pci/cmi.c
	+++ b/sys/dev/sound/pci/cmi.c
	@@ -470,7 +470,8 @@
	if (blocksize > sc->bufsz / CMI_INTR_PER_BUFFER) {
	blocksize = sc->bufsz / CMI_INTR_PER_BUFFER;
	}
	- sndbuf_resize(ch->buffer, CMI_INTR_PER_BUFFER, blocksize);
	+ if (sndbuf_resize(ch->buffer, CMI_INTR_PER_BUFFER, blocksize) != 0)
	+ return 0;

	return blocksize;
	}
	diff --git a/sys/dev/sound/pci/cs4281.c b/sys/dev/sound/pci/cs4281.c
	--- a/sys/dev/sound/pci/cs4281.c
	+++ b/sys/dev/sound/pci/cs4281.c
	@@ -346,12 +346,14 @@
	struct sc_info *sc = ch->parent;
	u_int32_t go;

	- go = adcdac_go(ch, 0);
	-
	/* 2 interrupts are possible and used in buffer (half-empty,empty),
	* hence factor of 2. */
	- ch->blksz = MIN(blocksize, sc->bufsz / 2);
	- sndbuf_resize(ch->buffer, 2, ch->blksz);
	+ blocksize = MIN(blocksize, sc->bufsz / 2);
	+ if (sndbuf_resize(ch->buffer, 2, blocksize) != 0)
	+ return 0;
	+ ch->blksz = blocksize;
	+
	+ go = adcdac_go(ch, 0);
	ch->dma_setup = 0;
	adcdac_prog(ch);
	adcdac_go(ch, go);
	diff --git a/sys/dev/sound/pci/envy24.c b/sys/dev/sound/pci/envy24.c
	--- a/sys/dev/sound/pci/envy24.c
	+++ b/sys/dev/sound/pci/envy24.c
	@@ -1716,7 +1716,7 @@
	{
	struct sc_chinfo *ch = data;
	/* struct sc_info sc = ch->parent; /
	- u_int32_t size, prev;
	+ uint32_t blk, size, prev;
	unsigned int bcnt, bsize;

	#if(0)
	@@ -1731,20 +1731,22 @@
	break;
	}

	- ch->blk = prev / ch->unit;
	+ blk = prev / ch->unit;
	if (ch->dir == PCMDIR_PLAY)
	- ch->blk *= ENVY24_PLAY_BUFUNIT / 4;
	+ blk *= ENVY24_PLAY_BUFUNIT / 4;
	else
	- ch->blk *= ENVY24_REC_BUFUNIT / 4;
	+ blk *= ENVY24_REC_BUFUNIT / 4;
	/* set channel buffer information */
	/* ch->size = ch->unit * ENVY24_SAMPLE_NUM; */
	if (ch->dir == PCMDIR_PLAY)
	- bsize = ch->blk * 4 / ENVY24_PLAY_BUFUNIT;
	+ bsize = blk * 4 / ENVY24_PLAY_BUFUNIT;
	else
	- bsize = ch->blk * 4 / ENVY24_REC_BUFUNIT;
	+ bsize = blk * 4 / ENVY24_REC_BUFUNIT;
	bsize *= ch->unit;
	bcnt = ch->size / bsize;
	- sndbuf_resize(ch->buffer, bcnt, bsize);
	+ if (sndbuf_resize(ch->buffer, bcnt, bsize) != 0)
	+ return 0;
	+ ch->blk = blk;
	/* snd_mtxunlock(sc->lock); */

	#if(0)
	diff --git a/sys/dev/sound/pci/envy24ht.c b/sys/dev/sound/pci/envy24ht.c
	--- a/sys/dev/sound/pci/envy24ht.c
	+++ b/sys/dev/sound/pci/envy24ht.c
	@@ -1627,7 +1627,7 @@
	{
	struct sc_chinfo *ch = data;
	/* struct sc_info sc = ch->parent; /
	- u_int32_t size, prev;
	+ uint32_t blk, size, prev;
	unsigned int bcnt, bsize;

	#if(0)
	@@ -1642,20 +1642,22 @@
	break;
	}

	- ch->blk = prev / ch->unit;
	+ blk = prev / ch->unit;
	if (ch->dir == PCMDIR_PLAY)
	- ch->blk *= ENVY24HT_PLAY_BUFUNIT / 4;
	+ blk *= ENVY24HT_PLAY_BUFUNIT / 4;
	else
	- ch->blk *= ENVY24HT_REC_BUFUNIT / 4;
	+ blk *= ENVY24HT_REC_BUFUNIT / 4;
	/* set channel buffer information */
	/* ch->size = ch->unit * ENVY24HT_SAMPLE_NUM; */
	if (ch->dir == PCMDIR_PLAY)
	- bsize = ch->blk * 4 / ENVY24HT_PLAY_BUFUNIT;
	+ bsize = blk * 4 / ENVY24HT_PLAY_BUFUNIT;
	else
	- bsize = ch->blk * 4 / ENVY24HT_REC_BUFUNIT;
	+ bsize = blk * 4 / ENVY24HT_REC_BUFUNIT;
	bsize *= ch->unit;
	bcnt = ch->size / bsize;
	- sndbuf_resize(ch->buffer, bcnt, bsize);
	+ if (sndbuf_resize(ch->buffer, bcnt, bsize) != 0)
	+ return 0;
	+ ch->blk = blk;
	/* snd_mtxunlock(sc->lock); */

	#if(0)
	diff --git a/sys/dev/sound/pci/es137x.c b/sys/dev/sound/pci/es137x.c
	--- a/sys/dev/sound/pci/es137x.c
	+++ b/sys/dev/sound/pci/es137x.c
	@@ -632,8 +632,9 @@
	static int
	eschan_setfragments(kobj_t obj, void *data, uint32_t blksz, uint32_t blkcnt)
	{
	- struct es_chinfo *ch = data;
	- struct es_info *es = ch->parent;
	+ struct es_chinfo *ch = data;
	+ struct es_info *es = ch->parent;
	+ int error;

	blksz &= ES_BLK_ALIGN;

	@@ -657,9 +658,11 @@

	if ((sndbuf_getblksz(ch->buffer) != blksz \|\|
	sndbuf_getblkcnt(ch->buffer) != blkcnt) &&
	- sndbuf_resize(ch->buffer, blkcnt, blksz) != 0)
	+ (error = sndbuf_resize(ch->buffer, blkcnt, blksz)) != 0) {
	device_printf(es->dev, "%s: failed blksz=%u blkcnt=%u\n",
	__func__, blksz, blkcnt);
	+ return (error);
	+ }

	ch->bufsz = sndbuf_getsize(ch->buffer);
	ch->blksz = sndbuf_getblksz(ch->buffer);
	@@ -674,7 +677,8 @@
	struct es_chinfo *ch = data;
	struct es_info *es = ch->parent;

	- eschan_setfragments(obj, data, blksz, es->blkcnt);
	+ if (eschan_setfragments(obj, data, blksz, es->blkcnt) != 0)
	+ return (0);

	return (ch->blksz);
	}
	diff --git a/sys/dev/sound/pci/hda/hdaa.c b/sys/dev/sound/pci/hda/hdaa.c
	--- a/sys/dev/sound/pci/hda/hdaa.c
	+++ b/sys/dev/sound/pci/hda/hdaa.c
	@@ -2053,6 +2053,7 @@
	uint32_t blksz, uint32_t blkcnt)
	{
	struct hdaa_chan *ch = data;
	+ int error;

	blksz -= blksz % lcm(HDA_DMA_ALIGNMENT, sndbuf_getalign(ch->b));

	@@ -2076,9 +2077,11 @@

	if ((sndbuf_getblksz(ch->b) != blksz \|\|
	sndbuf_getblkcnt(ch->b) != blkcnt) &&
	- sndbuf_resize(ch->b, blkcnt, blksz) != 0)
	+ (error = sndbuf_resize(ch->b, blkcnt, blksz)) != 0) {
	device_printf(ch->devinfo->dev, "%s: failed blksz=%u blkcnt=%u\n",
	__func__, blksz, blkcnt);
	+ return (error);
	+ }

	ch->blksz = sndbuf_getblksz(ch->b);
	ch->blkcnt = sndbuf_getblkcnt(ch->b);
	@@ -2091,7 +2094,9 @@
	{
	struct hdaa_chan *ch = data;

	- hdaa_channel_setfragments(obj, data, blksz, ch->pdevinfo->chan_blkcnt);
	+ if (hdaa_channel_setfragments(obj, data, blksz,
	+ ch->pdevinfo->chan_blkcnt) != 0)
	+ return (0);

	return (ch->blksz);
	}
	diff --git a/sys/dev/sound/pci/hdspe-pcm.c b/sys/dev/sound/pci/hdspe-pcm.c
	--- a/sys/dev/sound/pci/hdspe-pcm.c
	+++ b/sys/dev/sound/pci/hdspe-pcm.c
	@@ -907,6 +907,11 @@
	}
	}

	+ if (sndbuf_resize(ch->buffer,
	+ (HDSPE_CHANBUF_SIZE * AFMT_CHANNEL(ch->format)) / (hl->period * 4),
	+ (hl->period * 4)) != 0)
	+ return (0);
	+
	snd_mtxlock(sc->lock);
	sc->ctrl_register &= ~HDSPE_LAT_MASK;
	sc->ctrl_register \|= hdspe_encode_latency(hl->n);
	@@ -918,9 +923,6 @@
	device_printf(scp->dev, "New period=%d\n", sc->period);
	#endif

	- sndbuf_resize(ch->buffer,
	- (HDSPE_CHANBUF_SIZE * AFMT_CHANNEL(ch->format)) / (sc->period * 4),
	- (sc->period * 4));
	end:

	return (sndbuf_getblksz(ch->buffer));
	diff --git a/sys/dev/sound/pci/ich.c b/sys/dev/sound/pci/ich.c
	--- a/sys/dev/sound/pci/ich.c
	+++ b/sys/dev/sound/pci/ich.c
	@@ -294,21 +294,23 @@
	/* -------------------------------------------------------------------- */
	/* common routines */

	-static void
	-ich_filldtbl(struct sc_chinfo *ch)
	+static int
	+ich_filldtbl(struct sc_chinfo *ch, uint32_t blksz)
	{
	struct sc_info *sc = ch->parent;
	uint32_t base;
	- int i;
	+ int error, i;

	base = sndbuf_getbufaddr(ch->buffer);
	- if ((ch->blksz * ch->blkcnt) > sndbuf_getmaxsize(ch->buffer))
	- ch->blksz = sndbuf_getmaxsize(ch->buffer) / ch->blkcnt;
	- if ((sndbuf_getblksz(ch->buffer) != ch->blksz \|\|
	+ if ((blksz * ch->blkcnt) > sndbuf_getmaxsize(ch->buffer))
	+ blksz = sndbuf_getmaxsize(ch->buffer) / ch->blkcnt;
	+ if ((sndbuf_getblksz(ch->buffer) != blksz \|\|
	sndbuf_getblkcnt(ch->buffer) != ch->blkcnt) &&
	- sndbuf_resize(ch->buffer, ch->blkcnt, ch->blksz) != 0)
	+ (error = sndbuf_resize(ch->buffer, ch->blkcnt, blksz)) != 0) {
	device_printf(sc->dev, "%s: failed blksz=%u blkcnt=%u\n",
	__func__, ch->blksz, ch->blkcnt);
	+ return (error);
	+ }
	ch->blksz = sndbuf_getblksz(ch->buffer);

	for (i = 0; i < ICH_DTBL_LENGTH; i++) {
	@@ -316,6 +318,7 @@
	ch->dtbl[i].length = ICH_BDC_IOC
	\| (ch->blksz / ch->parent->sample_size);
	}
	+ return (0);
	}

	static int
	@@ -496,8 +499,8 @@
	if (blocksize < ICH_MIN_BLKSZ)
	blocksize = ICH_MIN_BLKSZ;
	blocksize &= ~(ICH_MIN_BLKSZ - 1);
	- ch->blksz = blocksize;
	- ich_filldtbl(ch);
	+ if (ich_filldtbl(ch, blocksize) != 0)
	+ return (0);
	ICH_LOCK(sc);
	ich_wr(sc, ch->regbase + ICH_REG_X_LVI, ch->blkcnt - 1, 1);
	ICH_UNLOCK(sc);
	diff --git a/sys/dev/sound/pci/t4dwave.c b/sys/dev/sound/pci/t4dwave.c
	--- a/sys/dev/sound/pci/t4dwave.c
	+++ b/sys/dev/sound/pci/t4dwave.c
	@@ -538,7 +538,8 @@
	{
	struct tr_chinfo *ch = data;

	- sndbuf_resize(ch->buffer, 2, blocksize);
	+ if (sndbuf_resize(ch->buffer, 2, blocksize) != 0)
	+ return 0;
	return blocksize;
	}

	@@ -659,8 +660,8 @@
	{
	struct tr_rchinfo *ch = data;

	- sndbuf_resize(ch->buffer, 2, blocksize);
	-
	+ if (sndbuf_resize(ch->buffer, 2, blocksize) != 0)
	+ return 0;
	return blocksize;
	}

	diff --git a/sys/dev/sound/pci/via8233.c b/sys/dev/sound/pci/via8233.c
	--- a/sys/dev/sound/pci/via8233.c
	+++ b/sys/dev/sound/pci/via8233.c
	@@ -565,6 +565,7 @@
	{
	struct via_chinfo *ch = data;
	struct via_info *via = ch->parent;
	+ int error;

	blksz &= VIA_BLK_ALIGN;

	@@ -588,9 +589,11 @@

	if ((sndbuf_getblksz(ch->buffer) != blksz \|\|
	sndbuf_getblkcnt(ch->buffer) != blkcnt) &&
	- sndbuf_resize(ch->buffer, blkcnt, blksz) != 0)
	+ (error = sndbuf_resize(ch->buffer, blkcnt, blksz)) != 0) {
	device_printf(via->dev, "%s: failed blksz=%u blkcnt=%u\n",
	__func__, blksz, blkcnt);
	+ return (error);
	+ }

	ch->blksz = sndbuf_getblksz(ch->buffer);
	ch->blkcnt = sndbuf_getblkcnt(ch->buffer);
	@@ -604,7 +607,8 @@
	struct via_chinfo *ch = data;
	struct via_info *via = ch->parent;

	- via8233chan_setfragments(obj, data, blksz, via->blkcnt);
	+ if (via8233chan_setfragments(obj, data, blksz, via->blkcnt) != 0)
	+ return (0);

	return (ch->blksz);
	}
	diff --git a/sys/dev/sound/pci/via82c686.c b/sys/dev/sound/pci/via82c686.c
	--- a/sys/dev/sound/pci/via82c686.c
	+++ b/sys/dev/sound/pci/via82c686.c
	@@ -328,8 +328,9 @@
	{
	struct via_chinfo *ch = data;

	+ if (sndbuf_resize(ch->buffer, SEGS_PER_CHAN, blocksize) != 0)
	+ return 0;
	ch->blksz = blocksize;
	- sndbuf_resize(ch->buffer, SEGS_PER_CHAN, ch->blksz);

	return ch->blksz;
	}
	diff --git a/sys/dev/sound/pci/vibes.c b/sys/dev/sound/pci/vibes.c
	--- a/sys/dev/sound/pci/vibes.c
	+++ b/sys/dev/sound/pci/vibes.c
	@@ -224,7 +224,8 @@

	/* user has requested interrupts every blocksize bytes */
	RANGE(blocksize, SV_MIN_BLKSZ, sc->bufsz / SV_INTR_PER_BUFFER);
	- sndbuf_resize(ch->buffer, SV_INTR_PER_BUFFER, blocksize);
	+ if (sndbuf_resize(ch->buffer, SV_INTR_PER_BUFFER, blocksize) != 0)
	+ return 0;
	DEB(printf("svchan_setblocksize: %d\n", blocksize));
	return blocksize;
	}
	diff --git a/sys/dev/sound/pcm/channel.c b/sys/dev/sound/pcm/channel.c
	--- a/sys/dev/sound/pcm/channel.c
	+++ b/sys/dev/sound/pcm/channel.c
	@@ -1870,7 +1870,6 @@
	{
	struct snd_dbuf b, bs, *pb;
	int sblksz, sblkcnt, hblksz, hblkcnt, limit = 0, nsblksz, nsblkcnt;
	- int ret;

	CHN_LOCKASSERT(c);

	@@ -1940,6 +1939,8 @@
	sndbuf_xbytes(sndbuf_getblksz(pb), pb, bs) * 2 : 0;
	}
	} else {
	+ int error;
	+
	hblkcnt = 2;
	if (c->flags & CHN_F_HAS_SIZE) {
	hblksz = round_blksz(sndbuf_xbytes(sblksz, bs, b),
	@@ -1965,11 +1966,27 @@
	hblksz -= hblksz % sndbuf_getalign(b);

	CHN_UNLOCK(c);
	- if (chn_usefrags == 0 \|\|
	- CHANNEL_SETFRAGMENTS(c->methods, c->devinfo,
	- hblksz, hblkcnt) != 0)
	- sndbuf_setblksz(b, CHANNEL_SETBLOCKSIZE(c->methods,
	- c->devinfo, hblksz));
	+ error = ENOTSUP;
	+ if (chn_usefrags) {
	+ error = CHANNEL_SETFRAGMENTS(c->methods, c->devinfo,
	+ hblksz, hblkcnt);
	+ /* The default implementation returns ENOTSUP. */
	+ if (error != 0 && error != ENOTSUP) {
	+ CHN_LOCK(c);
	+ return error;
	+ }
	+ }
	+ if (error == ENOTSUP) {
	+ uint32_t nblksz;
	+
	+ nblksz = CHANNEL_SETBLOCKSIZE(c->methods, c->devinfo,
	+ hblksz);
	+ if (nblksz == 0) {
	+ CHN_LOCK(c);
	+ return EINVAL;
	+ }
	+ sndbuf_setblksz(b, nblksz);
	+ }
	CHN_LOCK(c);

	if (!CHN_EMPTY(c, children)) {
	@@ -2008,11 +2025,13 @@

	if (sndbuf_getblkcnt(bs) != sblkcnt \|\| sndbuf_getblksz(bs) != sblksz \|\|
	sndbuf_getsize(bs) != (sblkcnt * sblksz)) {
	- ret = sndbuf_remalloc(bs, sblkcnt, sblksz);
	- if (ret != 0) {
	+ int error;
	+
	+ error = sndbuf_remalloc(bs, sblkcnt, sblksz);
	+ if (error != 0) {
	device_printf(c->dev, "%s(): Failed: %d %d\n",
	__func__, sblkcnt, sblksz);
	- return ret;
	+ return error;
	}
	}

	diff --git a/sys/dev/sound/usb/uaudio.h b/sys/dev/sound/usb/uaudio.h
	--- a/sys/dev/sound/usb/uaudio.h
	+++ b/sys/dev/sound/usb/uaudio.h
	@@ -45,8 +45,6 @@
	extern int uaudio_chan_free(struct uaudio_chan *ch);
	extern int uaudio_chan_set_param_blocksize(struct uaudio_chan *ch,
	uint32_t blocksize);
	-extern int uaudio_chan_set_param_fragments(struct uaudio_chan *ch,
	- uint32_t blocksize, uint32_t blockcount);
	extern int uaudio_chan_set_param_speed(struct uaudio_chan *ch,
	uint32_t speed);
	extern int uaudio_chan_getptr(struct uaudio_chan *ch);
	diff --git a/sys/dev/sound/usb/uaudio.c b/sys/dev/sound/usb/uaudio.c
	--- a/sys/dev/sound/usb/uaudio.c
	+++ b/sys/dev/sound/usb/uaudio.c
	@@ -2733,16 +2733,12 @@
	int
	uaudio_chan_set_param_blocksize(struct uaudio_chan *ch, uint32_t blocksize)
	{
	- uint32_t temp = 2 * uaudio_get_buffer_size(ch, ch->set_alt);
	- sndbuf_setup(ch->pcm_buf, ch->buf, temp);
	- return (temp / 2);
	-}
	+ uint32_t temp;

	-int
	-uaudio_chan_set_param_fragments(struct uaudio_chan *ch, uint32_t blocksize,
	- uint32_t blockcount)
	-{
	- return (1);
	+ temp = 2 * uaudio_get_buffer_size(ch, ch->set_alt);
	+ if (sndbuf_setup(ch->pcm_buf, ch->buf, temp) != 0)
	+ return (0);
	+ return (temp / 2);
	}

	int
	diff --git a/sys/dev/sound/usb/uaudio_pcm.c b/sys/dev/sound/usb/uaudio_pcm.c
	--- a/sys/dev/sound/usb/uaudio_pcm.c
	+++ b/sys/dev/sound/usb/uaudio_pcm.c
	@@ -71,12 +71,6 @@
	return (uaudio_chan_set_param_blocksize(data, blocksize));
	}

	-static int
	-ua_chan_setfragments(kobj_t obj, void *data, uint32_t blocksize, uint32_t blockcount)
	-{
	- return (uaudio_chan_set_param_fragments(data, blocksize, blockcount));
	-}
	-
	static int
	ua_chan_trigger(kobj_t obj, void *data, int go)
	{
	@@ -114,7 +108,6 @@
	KOBJMETHOD(channel_setformat, ua_chan_setformat),
	KOBJMETHOD(channel_setspeed, ua_chan_setspeed),
	KOBJMETHOD(channel_setblocksize, ua_chan_setblocksize),
	- KOBJMETHOD(channel_setfragments, ua_chan_setfragments),
	KOBJMETHOD(channel_trigger, ua_chan_trigger),
	KOBJMETHOD(channel_getptr, ua_chan_getptr),
	KOBJMETHOD(channel_getcaps, ua_chan_getcaps),

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