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alsa
0060-topology-A-API-calls-to-directly-build-top...
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File 0060-topology-A-API-calls-to-directly-build-topology-data.patch of Package alsa
From 5b518c91594d3b0c8847a87d9b65877f74c7a87b Mon Sep 17 00:00:00 2001 From: Mengdong Lin <mengdong.lin@intel.com> Date: Tue, 11 Aug 2015 18:23:17 +0100 Subject: [PATCH] topology: A API calls to directly build topology data from templates Add some new API calls so that applications can directly build topology data using template structures. Signed-off-by: Mengdong Lin <mengdong.lin@intel.com> Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com> Signed-off-by: Takashi Iwai <tiwai@suse.de> --- include/topology.h | 26 +++++ src/topology/ctl.c | 292 ++++++++++++++++++++++++++++++++++++++++++++++ src/topology/dapm.c | 183 ++++++++++++++++++++++++++--- src/topology/elem.c | 17 +++ src/topology/parser.c | 59 +++++++++- src/topology/tplg_local.h | 14 +++ 6 files changed, 573 insertions(+), 18 deletions(-) diff --git a/include/topology.h b/include/topology.h index aee43de6e009..6ff8c5fb4609 100644 --- a/include/topology.h +++ b/include/topology.h @@ -664,6 +664,32 @@ typedef struct snd_tplg_obj_template { struct snd_tplg_graph_template *graph; /*!< Graph elements */ }; } snd_tplg_obj_template_t; + +/** + * \brief Register topology template object. + * \param tplg Topology instance. + * \param t Template object. + * \return Zero on success, otherwise a negative error code + */ +int snd_tplg_add_object(snd_tplg_t *tplg, snd_tplg_obj_template_t *t); + +/** + * \brief Build all registered topology data into binary file. + * \param tplg Topology instance. + * \param outfile Binary topology output file. + * \return Zero on success, otherwise a negative error code + */ +int snd_tplg_build(snd_tplg_t *tplg, const char *outfile); + +/** + * \brief Attach private data to topology manifest. + * \param tplg Topology instance. + * \param data Private data. + * \param len Length of data in bytes. + * \return Zero on success, otherwise a negative error code + */ +int snd_tplg_set_manifest_data(snd_tplg_t *tplg, const void *data, int len); + /* \} */ #ifdef __cplusplus diff --git a/src/topology/ctl.c b/src/topology/ctl.c index 35f684ba8067..68c4ce5803d1 100644 --- a/src/topology/ctl.c +++ b/src/topology/ctl.c @@ -19,6 +19,8 @@ #include "list.h" #include "tplg_local.h" +#define ENUM_VAL_SIZE (SNDRV_CTL_ELEM_ID_NAME_MAXLEN >> 2) + /* copy referenced TLV to the mixer control */ static int copy_tlv(struct tplg_elem *elem, struct tplg_elem *ref) { @@ -606,3 +608,293 @@ int tplg_parse_control_mixer(snd_tplg_t *tplg, return 0; } + +static int init_ctl_hdr(struct snd_soc_tplg_ctl_hdr *hdr, + struct snd_tplg_ctl_template *t) +{ + hdr->size = sizeof(struct snd_soc_tplg_ctl_hdr); + hdr->type = t->type; + + elem_copy_text(hdr->name, t->name, + SNDRV_CTL_ELEM_ID_NAME_MAXLEN); + + /* clean up access flag */ + if (t->access == 0) + t->access = SNDRV_CTL_ELEM_ACCESS_READWRITE; + t->access &= (SNDRV_CTL_ELEM_ACCESS_READWRITE | + SNDRV_CTL_ELEM_ACCESS_VOLATILE | + SNDRV_CTL_ELEM_ACCESS_INACTIVE | + SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE | + SNDRV_CTL_ELEM_ACCESS_TLV_COMMAND | + SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK); + + hdr->access = t->access; + hdr->ops.get = t->ops.get; + hdr->ops.put = t->ops.put; + hdr->ops.info = t->ops.info; + + /* TLV */ + if (hdr->access & SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE + && !(hdr->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK)) { + + struct snd_tplg_tlv_template *tlvt = t->tlv; + struct snd_soc_tplg_ctl_tlv *tlv = &hdr->tlv; + struct snd_tplg_tlv_dbscale_template *scalet; + struct snd_soc_tplg_tlv_dbscale *scale; + + if (!tlvt) { + SNDERR("error: missing TLV data\n"); + return -EINVAL; + } + + tlv->size = sizeof(struct snd_soc_tplg_ctl_tlv); + tlv->type = tlvt->type; + + switch (tlvt->type) { + case SNDRV_CTL_TLVT_DB_SCALE: + scalet = container_of(tlvt, + struct snd_tplg_tlv_dbscale_template, hdr); + scale = &tlv->scale; + scale->min = scalet->min; + scale->step = scalet->step; + scale->mute = scalet->mute; + break; + + /* TODO: add support for other TLV types */ + default: + SNDERR("error: unsupported TLV type %d\n", tlv->type); + break; + } + } + + return 0; +} + +int tplg_add_mixer(snd_tplg_t *tplg, struct snd_tplg_mixer_template *mixer, + struct tplg_elem **e) +{ + struct snd_soc_tplg_private *priv = mixer->priv; + struct snd_soc_tplg_mixer_control *mc; + struct tplg_elem *elem; + int ret, i; + + tplg_dbg(" Control Mixer: %s\n", mixer->hdr.name); + + if (mixer->hdr.type != SND_SOC_TPLG_TYPE_MIXER) { + SNDERR("error: invalid mixer type %d\n", mixer->hdr.type); + return -EINVAL; + } + + elem = tplg_elem_new_common(tplg, NULL, mixer->hdr.name, + SND_TPLG_TYPE_MIXER); + if (!elem) + return -ENOMEM; + + /* init new mixer */ + mc = elem->mixer_ctrl; + mc->size = elem->size; + ret = init_ctl_hdr(&mc->hdr, &mixer->hdr); + if (ret < 0) { + tplg_elem_free(elem); + return ret; + } + + mc->min = mixer->min; + mc->max = mixer->max; + mc->platform_max = mixer->platform_max; + mc->invert = mixer->invert; + + /* set channel reg to default state */ + for (i = 0; i < SND_SOC_TPLG_MAX_CHAN; i++) + mc->channel[i].reg = -1; + + if (mixer->map) + mc->num_channels = mixer->map->num_channels; + for (i = 0; i < mc->num_channels; i++) { + struct snd_tplg_channel_elem *channel = &mixer->map->channel[i]; + + mc->channel[i].size = channel->size; + mc->channel[i].reg = channel->reg; + mc->channel[i].shift = channel->shift; + mc->channel[i].id = channel->id; + } + + /* priv data */ + if (priv) { + mc = realloc(mc, elem->size + priv->size); + if (!mc) { + tplg_elem_free(elem); + return -ENOMEM; + } + + elem->mixer_ctrl = mc; + elem->size += priv->size; + mc->priv.size = priv->size; + memcpy(mc->priv.data, priv->data, priv->size); + } + + if (e) + *e = elem; + return 0; +} + +int tplg_add_enum(snd_tplg_t *tplg, struct snd_tplg_enum_template *enum_ctl, + struct tplg_elem **e) +{ + struct snd_soc_tplg_enum_control *ec; + struct tplg_elem *elem; + int ret, i; + + tplg_dbg(" Control Enum: %s\n", enum_ctl->hdr.name); + + if (enum_ctl->hdr.type != SND_SOC_TPLG_TYPE_ENUM) { + SNDERR("error: invalid enum type %d\n", enum_ctl->hdr.type); + return -EINVAL; + } + + elem = tplg_elem_new_common(tplg, NULL, enum_ctl->hdr.name, + SND_TPLG_TYPE_ENUM); + if (!elem) + return -ENOMEM; + + ec = elem->enum_ctrl; + ec->size = elem->size; + ret = init_ctl_hdr(&ec->hdr, &enum_ctl->hdr); + if (ret < 0) { + tplg_elem_free(elem); + return ret; + } + + ec->items = enum_ctl->items; + if (ec->items > SND_SOC_TPLG_NUM_TEXTS) + ec->items = SND_SOC_TPLG_NUM_TEXTS; + + ec->mask = enum_ctl->mask; + ec->count = enum_ctl->items; + + if (enum_ctl->texts != NULL) { + for (i = 0; i < ec->items; i++) { + if (enum_ctl->texts[i] != NULL) + strncpy(ec->texts[i], enum_ctl->texts[i], + SNDRV_CTL_ELEM_ID_NAME_MAXLEN); + } + } + + if (enum_ctl->values != NULL) { + for (i = 0; i < ec->items; i++) { + if (enum_ctl->values[i]) + continue; + + memcpy(&ec->values[i * sizeof(int) * ENUM_VAL_SIZE], + enum_ctl->values[i], + sizeof(int) * ENUM_VAL_SIZE); + } + } + + if (enum_ctl->priv != NULL) { + ec = realloc(ec, + elem->size + enum_ctl->priv->size); + if (!ec) { + tplg_elem_free(elem); + return -ENOMEM; + } + + elem->enum_ctrl = ec; + elem->size += enum_ctl->priv->size; + + memcpy(ec->priv.data, enum_ctl->priv->data, + enum_ctl->priv->size); + + ec->priv.size = enum_ctl->priv->size; + } + + if (e) + *e = elem; + return 0; +} + +int tplg_add_bytes(snd_tplg_t *tplg, struct snd_tplg_bytes_template *bytes_ctl, + struct tplg_elem **e) +{ + struct snd_soc_tplg_bytes_control *be; + struct tplg_elem *elem; + int ret; + + tplg_dbg(" Control Bytes: %s\n", bytes_ctl->hdr.name); + + if (bytes_ctl->hdr.type != SND_SOC_TPLG_TYPE_BYTES) { + SNDERR("error: invalid bytes type %d\n", bytes_ctl->hdr.type); + return -EINVAL; + } + + elem = tplg_elem_new_common(tplg, NULL, bytes_ctl->hdr.name, + SND_TPLG_TYPE_BYTES); + if (!elem) + return -ENOMEM; + + be = elem->bytes_ext; + be->size = elem->size; + ret = init_ctl_hdr(&be->hdr, &bytes_ctl->hdr); + if (ret < 0) { + tplg_elem_free(elem); + return ret; + } + + be->max = bytes_ctl->max; + be->mask = bytes_ctl->mask; + be->base = bytes_ctl->base; + be->num_regs = bytes_ctl->num_regs; + be->ext_ops.put = bytes_ctl->ext_ops.put; + be->ext_ops.get = bytes_ctl->ext_ops.get; + + if (bytes_ctl->priv != NULL) { + be = realloc(be, + elem->size + bytes_ctl->priv->size); + if (!be) { + tplg_elem_free(elem); + return -ENOMEM; + } + elem->bytes_ext = be; + elem->size += bytes_ctl->priv->size; + + memcpy(be->priv.data, bytes_ctl->priv->data, + bytes_ctl->priv->size); + + be->priv.size = bytes_ctl->priv->size; + } + + /* check on TLV bytes control */ + if (be->hdr.access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) { + if (be->hdr.access & SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE + != SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE) { + SNDERR("error: Invalid TLV bytes control access 0x%x\n", + be->hdr.access); + tplg_elem_free(elem); + return -EINVAL; + } + + if (!be->max) { + tplg_elem_free(elem); + return -EINVAL; + } + } + + if (e) + *e = elem; + return 0; +} + +int tplg_add_mixer_object(snd_tplg_t *tplg, snd_tplg_obj_template_t *t) +{ + return tplg_add_mixer(tplg, t->mixer, NULL); +} + +int tplg_add_enum_object(snd_tplg_t *tplg, snd_tplg_obj_template_t *t) +{ + return tplg_add_enum(tplg, t->enum_ctl, NULL); +} + +int tplg_add_bytes_object(snd_tplg_t *tplg, snd_tplg_obj_template_t *t) +{ + return tplg_add_bytes(tplg, t->bytes_ctl, NULL); +} diff --git a/src/topology/dapm.c b/src/topology/dapm.c index 3458aa77838b..14969eedeea0 100644 --- a/src/topology/dapm.c +++ b/src/topology/dapm.c @@ -142,8 +142,6 @@ static int tplg_build_widget(snd_tplg_t *tplg, list_for_each(pos, base) { ref = list_entry(pos, struct tplg_ref, list); - if (ref->id == NULL || ref->elem) - continue; switch (ref->type) { case SND_TPLG_TYPE_MIXER: @@ -162,6 +160,14 @@ static int tplg_build_widget(snd_tplg_t *tplg, err = copy_dapm_control(elem, ref->elem); break; + case SND_TPLG_TYPE_BYTES: + if (!ref->elem) + ref->elem = tplg_elem_lookup(&tplg->bytes_ext_list, + ref->id, SND_TPLG_TYPE_BYTES); + if (ref->elem) + err = copy_dapm_control(elem, ref->elem); + break; + case SND_TPLG_TYPE_DATA: if (!ref->elem) ref->elem = tplg_elem_lookup(&tplg->pdata_list, @@ -278,6 +284,30 @@ int tplg_build_routes(snd_tplg_t *tplg) return 0; } +struct tplg_elem* tplg_elem_new_route(snd_tplg_t *tplg) +{ + struct tplg_elem *elem; + struct snd_soc_tplg_dapm_graph_elem *line; + + elem = tplg_elem_new(); + if (!elem) + return NULL; + + list_add_tail(&elem->list, &tplg->route_list); + strcpy(elem->id, "line"); + elem->type = SND_TPLG_TYPE_DAPM_GRAPH; + elem->size = sizeof(*line); + + line = calloc(1, sizeof(*line)); + if (!line) { + tplg_elem_free(elem); + return NULL; + } + elem->route = line; + + return elem; +} + #define LINE_SIZE 1024 /* line is defined as '"source, control, sink"' */ @@ -334,7 +364,7 @@ static int tplg_parse_routes(snd_tplg_t *tplg, snd_config_t *cfg) snd_config_iterator_t i, next; snd_config_t *n; struct tplg_elem *elem; - struct snd_soc_tplg_dapm_graph_elem *line = NULL; + struct snd_soc_tplg_dapm_graph_elem *line; int err; snd_config_for_each(i, next, cfg) { @@ -344,20 +374,11 @@ static int tplg_parse_routes(snd_tplg_t *tplg, snd_config_t *cfg) if (snd_config_get_string(n, &val) < 0) continue; - elem = tplg_elem_new(); + elem = tplg_elem_new_route(tplg); if (!elem) return -ENOMEM; - list_add_tail(&elem->list, &tplg->route_list); - strcpy(elem->id, "line"); - elem->type = SND_TPLG_TYPE_DAPM_GRAPH; - elem->size = sizeof(*line); - - line = calloc(1, sizeof(*line)); - if (!line) - return -ENOMEM; - - elem->route = line; + line = elem->route; err = tplg_parse_line(val, line); if (err < 0) @@ -558,3 +579,137 @@ int tplg_parse_dapm_widget(snd_tplg_t *tplg, return 0; } + +int tplg_add_route(snd_tplg_t *tplg, struct snd_tplg_graph_elem *t) +{ + struct tplg_elem *elem; + struct snd_soc_tplg_dapm_graph_elem *line; + + if (!t->src || !t->sink) + return -EINVAL; + + elem = tplg_elem_new_route(tplg); + if (!elem) + return -ENOMEM; + + line = elem->route; + elem_copy_text(line->source, t->src, SNDRV_CTL_ELEM_ID_NAME_MAXLEN); + if (t->ctl) + elem_copy_text(line->control, t->ctl, + SNDRV_CTL_ELEM_ID_NAME_MAXLEN); + elem_copy_text(line->sink, t->sink, SNDRV_CTL_ELEM_ID_NAME_MAXLEN); + + return 0; +} + +int tplg_add_graph_object(snd_tplg_t *tplg, snd_tplg_obj_template_t *t) +{ + struct snd_tplg_graph_template *gt = t->graph; + int i, ret; + + for (i = 0; i < gt->count; i++) { + ret = tplg_add_route(tplg, gt->elem + i); + if (ret < 0) + return ret; + } + + return 0; +} + +int tplg_add_widget_object(snd_tplg_t *tplg, snd_tplg_obj_template_t *t) +{ + struct snd_tplg_widget_template *wt = t->widget; + struct snd_soc_tplg_dapm_widget *w; + struct tplg_elem *elem; + int i, ret = 0; + + tplg_dbg("Widget: %s\n", wt->name); + + elem = tplg_elem_new_common(tplg, NULL, wt->name, + SND_TPLG_TYPE_DAPM_WIDGET); + if (!elem) + return -ENOMEM; + + /* init new widget */ + w = elem->widget; + w->size = elem->size; + + w->id = wt->id; + elem_copy_text(w->name, wt->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN); + if (wt->sname) + elem_copy_text(w->sname, wt->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN); + w->reg = wt->reg; + w->shift = wt->shift; + w->mask = wt->mask; + w->subseq = wt->subseq; + w->invert = wt->invert; + w->ignore_suspend = wt->ignore_suspend; + w->event_flags = wt->event_flags; + w->event_type = wt->event_type; + + if (wt->priv != NULL) { + w = realloc(w, + elem->size + wt->priv->size); + if (!w) { + tplg_elem_free(elem); + return -ENOMEM; + } + + elem->widget = w; + elem->size += wt->priv->size; + + memcpy(w->priv.data, wt->priv->data, + wt->priv->size); + w->priv.size = wt->priv->size; + } + + /* add controls to the widget's reference list */ + for (i = 0 ; i < wt->num_ctls; i++) { + struct snd_tplg_ctl_template *ct = wt->ctl[i]; + struct tplg_elem *elem_ctl; + struct snd_tplg_mixer_template *mt; + struct snd_tplg_bytes_template *bt; + struct snd_tplg_enum_template *et; + + if (!ct) { + tplg_elem_free(elem); + return -EINVAL; + } + + switch (ct->type) { + case SND_SOC_TPLG_TYPE_MIXER: + mt = container_of(ct, struct snd_tplg_mixer_template, hdr); + ret = tplg_add_mixer(tplg, mt, &elem_ctl); + break; + + case SND_SOC_TPLG_TYPE_BYTES: + bt = container_of(ct, struct snd_tplg_bytes_template, hdr); + ret = tplg_add_bytes(tplg, bt, &elem_ctl); + break; + + case SND_SOC_TPLG_TYPE_ENUM: + et = container_of(ct, struct snd_tplg_enum_template, hdr); + ret = tplg_add_enum(tplg, et, &elem_ctl); + break; + + default: + SNDERR("error: widget %s: invalid type %d for ctl %d\n", + wt->name, ct->type, i); + ret = -EINVAL; + break; + } + + if (ret < 0) { + tplg_elem_free(elem); + return ret; + } + + ret = tplg_ref_add_elem(elem, elem_ctl); + if (ret < 0) { + tplg_elem_free(elem); + return ret; + } + } + + return 0; +} diff --git a/src/topology/elem.c b/src/topology/elem.c index daabe75ebdd2..d7842361e444 100644 --- a/src/topology/elem.c +++ b/src/topology/elem.c @@ -35,6 +35,23 @@ int tplg_ref_add(struct tplg_elem *elem, int type, const char* id) return 0; } +/* directly add a reference elem */ +int tplg_ref_add_elem(struct tplg_elem *elem, struct tplg_elem *elem_ref) +{ + struct tplg_ref *ref; + + ref = calloc(1, sizeof(*ref)); + if (!ref) + return -ENOMEM; + + ref->type = elem_ref->type; + ref->elem = elem_ref; + elem_copy_text(ref->id, elem_ref->id, SNDRV_CTL_ELEM_ID_NAME_MAXLEN); + + list_add_tail(&ref->list, &elem->ref_list); + return 0; +} + void tplg_ref_free_list(struct list_head *base) { struct list_head *pos, *npos; diff --git a/src/topology/parser.c b/src/topology/parser.c index 3e3e2b35da83..ca7de0689cea 100644 --- a/src/topology/parser.c +++ b/src/topology/parser.c @@ -266,11 +266,8 @@ int snd_tplg_build_file(snd_tplg_t *tplg, const char *infile, snd_config_t *cfg = NULL; int err = 0; - /* delete any old output files */ - unlink(outfile); - tplg->out_fd = - open(outfile, O_RDWR | O_CREAT, S_IRWXU | S_IRWXG | S_IRWXO); + open(outfile, O_RDWR | O_CREAT, S_IRUSR | S_IWUSR); if (tplg->out_fd < 0) { SNDERR("error: failed to open %s err %d\n", outfile, -errno); @@ -309,6 +306,60 @@ out_close: return err; } +int snd_tplg_add_object(snd_tplg_t *tplg, snd_tplg_obj_template_t *t) +{ + switch (t->type) { + case SND_TPLG_TYPE_MIXER: + return tplg_add_mixer_object(tplg, t); + case SND_TPLG_TYPE_ENUM: + return tplg_add_enum_object(tplg, t); + case SND_TPLG_TYPE_BYTES: + return tplg_add_bytes_object(tplg, t); + case SND_TPLG_TYPE_DAPM_WIDGET: + return tplg_add_widget_object(tplg, t); + case SND_TPLG_TYPE_DAPM_GRAPH: + return tplg_add_graph_object(tplg, t); + default: + SNDERR("error: invalid object type %d\n", t->type); + return -EINVAL; + }; +} + +int snd_tplg_build(snd_tplg_t *tplg, const char *outfile) +{ + int err; + + tplg->out_fd = + open(outfile, O_RDWR | O_CREAT, S_IRUSR | S_IWUSR); + if (tplg->out_fd < 0) { + SNDERR("error: failed to open %s err %d\n", + outfile, -errno); + return -errno; + } + + err = tplg_build_integ(tplg); + if (err < 0) { + SNDERR("error: failed to check topology integrity\n"); + goto out; + } + + err = tplg_write_data(tplg); + if (err < 0) { + SNDERR("error: failed to write data %d\n", err); + goto out; + } + +out: + close(tplg->out_fd); + return err; +} + +int snd_tplg_set_manifest_data(snd_tplg_t *tplg, const void *data, int len) +{ + tplg->manifest.priv.size = len; + tplg->manifest_pdata = data; +} + void snd_tplg_verbose(snd_tplg_t *tplg, int verbose) { tplg->verbose = verbose; diff --git a/src/topology/tplg_local.h b/src/topology/tplg_local.h index ec6304599538..d2b9aa6ff8ab 100644 --- a/src/topology/tplg_local.h +++ b/src/topology/tplg_local.h @@ -190,6 +190,7 @@ int tplg_build_pcm_dai(snd_tplg_t *tplg, unsigned int type); int tplg_copy_data(struct tplg_elem *elem, struct tplg_elem *ref); int tplg_ref_add(struct tplg_elem *elem, int type, const char* id); +int tplg_ref_add_elem(struct tplg_elem *elem, struct tplg_elem *elem_ref); struct tplg_elem *tplg_elem_new(void); void tplg_elem_free(struct tplg_elem *elem); @@ -214,3 +215,16 @@ int tplg_parse_ops(snd_tplg_t *tplg ATTRIBUTE_UNUSED, struct tplg_elem *lookup_pcm_dai_stream(struct list_head *base, const char* id); + +int tplg_add_mixer_object(snd_tplg_t *tplg, snd_tplg_obj_template_t *t); +int tplg_add_enum_object(snd_tplg_t *tplg, snd_tplg_obj_template_t *t); +int tplg_add_bytes_object(snd_tplg_t *tplg, snd_tplg_obj_template_t *t); +int tplg_add_widget_object(snd_tplg_t *tplg, snd_tplg_obj_template_t *t); +int tplg_add_graph_object(snd_tplg_t *tplg, snd_tplg_obj_template_t *t); + +int tplg_add_mixer(snd_tplg_t *tplg, struct snd_tplg_mixer_template *mixer, + struct tplg_elem **e); +int tplg_add_enum(snd_tplg_t *tplg, struct snd_tplg_enum_template *enum_ctl, + struct tplg_elem **e); +int tplg_add_bytes(snd_tplg_t *tplg, struct snd_tplg_bytes_template *bytes_ctl, + struct tplg_elem **e); -- 2.5.3
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