}
if (codec->patch_ops.free)
codec->patch_ops.free(codec);
+ memset(&codec->patch_ops, 0, sizeof(codec->patch_ops));
snd_hda_jack_tbl_clear(codec);
codec->proc_widget_hook = NULL;
codec->spec = NULL;
codec->num_pcms = 0;
codec->pcm_info = NULL;
codec->preset = NULL;
- memset(&codec->patch_ops, 0, sizeof(codec->patch_ops));
codec->slave_dig_outs = NULL;
codec->spdif_status_reset = 0;
module_put(codec->owner);
}
EXPORT_SYMBOL_HDA(snd_hda_build_controls);
+ /*
+ * add standard channel maps if not specified
+ */
+ static int add_std_chmaps(struct hda_codec *codec)
+ {
+ int i, str, err;
+
+ for (i = 0; i < codec->num_pcms; i++) {
+ for (str = 0; str < 2; str++) {
+ struct snd_pcm *pcm = codec->pcm_info[i].pcm;
+ struct hda_pcm_stream *hinfo =
+ &codec->pcm_info[i].stream[str];
+ struct snd_pcm_chmap *chmap;
+
+ if (codec->pcm_info[i].own_chmap)
+ continue;
+ if (!pcm || !hinfo->substreams)
+ continue;
+ err = snd_pcm_add_chmap_ctls(pcm, str,
+ snd_pcm_std_chmaps,
+ hinfo->channels_max,
+ 0, &chmap);
+ if (err < 0)
+ return err;
+ chmap->channel_mask = SND_PCM_CHMAP_MASK_2468;
+ }
+ }
+ return 0;
+ }
+
int snd_hda_codec_build_controls(struct hda_codec *codec)
{
int err = 0;
err = codec->patch_ops.build_controls(codec);
if (err < 0)
return err;
+
+ /* we create chmaps here instead of build_pcms */
+ err = add_std_chmaps(codec);
+ if (err < 0)
+ return err;
+
snd_hda_jack_report_sync(codec); /* call at the last init point */
return 0;
}
unsigned int pcm_type; /* HDA_PCM_TYPE_XXX */
int device; /* device number to assign */
struct snd_pcm *pcm; /* assigned PCM instance */
+ bool own_chmap; /* codec driver provides own channel maps */
};
/* codec information */
unsigned int no_sticky_stream:1; /* no sticky-PCM stream assignment */
unsigned int pins_shutup:1; /* pins are shut up */
unsigned int no_trigger_sense:1; /* don't trigger at pin-sensing */
- unsigned int ignore_misc_bit:1; /* ignore MISC_NO_PRESENCE bit */
unsigned int no_jack_detect:1; /* Machine has no jack-detection */
unsigned int pcm_format_first:1; /* PCM format must be set first */
unsigned int epss:1; /* supporting EPSS? */