diff options
-rw-r--r-- | sound/pci/hda/hda_codec.c | 162 | ||||
-rw-r--r-- | sound/pci/hda/hda_codec.h | 4 | ||||
-rw-r--r-- | sound/pci/hda/hda_hwdep.c | 2 |
3 files changed, 98 insertions, 70 deletions
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index 052a898a63b..1cb85b73e19 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -1206,6 +1206,7 @@ int snd_hda_ctl_add(struct hda_codec *codec, struct snd_kcontrol *kctl) return 0; } +#ifdef CONFIG_SND_HDA_RECONFIG /* Clear all controls assigned to the given codec */ void snd_hda_ctls_clear(struct hda_codec *codec) { @@ -1227,9 +1228,12 @@ void snd_hda_codec_reset(struct hda_codec *codec) snd_hda_ctls_clear(codec); /* relase PCMs */ for (i = 0; i < codec->num_pcms; i++) { - if (codec->pcm_info[i].pcm) + if (codec->pcm_info[i].pcm) { snd_device_free(codec->bus->card, codec->pcm_info[i].pcm); + clear_bit(codec->pcm_info[i].device, + codec->bus->pcm_dev_bits); + } } if (codec->patch_ops.free) codec->patch_ops.free(codec); @@ -1240,6 +1244,7 @@ void snd_hda_codec_reset(struct hda_codec *codec) codec->pcm_info = NULL; codec->preset = NULL; } +#endif /* CONFIG_SND_HDA_RECONFIG */ /* create a virtual master control and add slaves */ int snd_hda_add_vmaster(struct hda_codec *codec, char *name, @@ -2433,10 +2438,58 @@ static int set_pcm_default_values(struct hda_codec *codec, } /* + * get the empty PCM device number to assign + */ +static int get_empty_pcm_device(struct hda_bus *bus, int type) +{ + static const char *dev_name[HDA_PCM_NTYPES] = { + "Audio", "SPDIF", "HDMI", "Modem" + }; + /* starting device index for each PCM type */ + static int dev_idx[HDA_PCM_NTYPES] = { + [HDA_PCM_TYPE_AUDIO] = 0, + [HDA_PCM_TYPE_SPDIF] = 1, + [HDA_PCM_TYPE_HDMI] = 3, + [HDA_PCM_TYPE_MODEM] = 6 + }; + /* normal audio device indices; not linear to keep compatibility */ + static int audio_idx[4] = { 0, 2, 4, 5 }; + int i, dev; + + switch (type) { + case HDA_PCM_TYPE_AUDIO: + for (i = 0; i < ARRAY_SIZE(audio_idx); i++) { + dev = audio_idx[i]; + if (!test_bit(dev, bus->pcm_dev_bits)) + break; + } + if (i >= ARRAY_SIZE(audio_idx)) { + snd_printk(KERN_WARNING "Too many audio devices\n"); + return -EAGAIN; + } + break; + case HDA_PCM_TYPE_SPDIF: + case HDA_PCM_TYPE_HDMI: + case HDA_PCM_TYPE_MODEM: + dev = dev_idx[type]; + if (test_bit(dev, bus->pcm_dev_bits)) { + snd_printk(KERN_WARNING "%s already defined\n", + dev_name[type]); + return -EAGAIN; + } + break; + default: + snd_printk(KERN_WARNING "Invalid PCM type %d\n", type); + return -EINVAL; + } + set_bit(dev, bus->pcm_dev_bits); + return dev; +} + +/* * attach a new PCM stream */ -static int __devinit -snd_hda_attach_pcm(struct hda_codec *codec, struct hda_pcm *pcm) +static int snd_hda_attach_pcm(struct hda_codec *codec, struct hda_pcm *pcm) { struct hda_bus *bus = codec->bus; struct hda_pcm_stream *info; @@ -2455,6 +2508,39 @@ snd_hda_attach_pcm(struct hda_codec *codec, struct hda_pcm *pcm) return bus->ops.attach_pcm(bus, codec, pcm); } +/* assign all PCMs of the given codec */ +int snd_hda_codec_build_pcms(struct hda_codec *codec) +{ + unsigned int pcm; + int err; + + if (!codec->num_pcms) { + if (!codec->patch_ops.build_pcms) + return 0; + err = codec->patch_ops.build_pcms(codec); + if (err < 0) + return err; + } + for (pcm = 0; pcm < codec->num_pcms; pcm++) { + struct hda_pcm *cpcm = &codec->pcm_info[pcm]; + int dev; + + if (!cpcm->stream[0].substreams && !cpcm->stream[1].substreams) + return 0; /* no substreams assigned */ + + if (!cpcm->pcm) { + dev = get_empty_pcm_device(codec->bus, cpcm->pcm_type); + if (dev < 0) + return 0; + cpcm->device = dev; + err = snd_hda_attach_pcm(codec, cpcm); + if (err < 0) + return err; + } + } + return 0; +} + /** * snd_hda_build_pcms - build PCM information * @bus: the BUS @@ -2481,76 +2567,14 @@ snd_hda_attach_pcm(struct hda_codec *codec, struct hda_pcm *pcm) * * This function returns 0 if successfull, or a negative error code. */ -int snd_hda_build_pcms(struct hda_bus *bus) +int __devinit snd_hda_build_pcms(struct hda_bus *bus) { - static const char *dev_name[HDA_PCM_NTYPES] = { - "Audio", "SPDIF", "HDMI", "Modem" - }; - /* starting device index for each PCM type */ - static int dev_idx[HDA_PCM_NTYPES] = { - [HDA_PCM_TYPE_AUDIO] = 0, - [HDA_PCM_TYPE_SPDIF] = 1, - [HDA_PCM_TYPE_HDMI] = 3, - [HDA_PCM_TYPE_MODEM] = 6 - }; - /* normal audio device indices; not linear to keep compatibility */ - static int audio_idx[4] = { 0, 2, 4, 5 }; struct hda_codec *codec; - int num_devs[HDA_PCM_NTYPES]; - memset(num_devs, 0, sizeof(num_devs)); list_for_each_entry(codec, &bus->codec_list, list) { - unsigned int pcm; - int err; - if (!codec->num_pcms) { - if (!codec->patch_ops.build_pcms) - continue; - err = codec->patch_ops.build_pcms(codec); - if (err < 0) - return err; - } - for (pcm = 0; pcm < codec->num_pcms; pcm++) { - struct hda_pcm *cpcm = &codec->pcm_info[pcm]; - int type = cpcm->pcm_type; - int dev; - - if (!cpcm->stream[0].substreams && - !cpcm->stream[1].substreams) - continue; /* no substreams assigned */ - - switch (type) { - case HDA_PCM_TYPE_AUDIO: - if (num_devs[type] >= ARRAY_SIZE(audio_idx)) { - snd_printk(KERN_WARNING - "Too many audio devices\n"); - continue; - } - dev = audio_idx[num_devs[type]]; - break; - case HDA_PCM_TYPE_SPDIF: - case HDA_PCM_TYPE_HDMI: - case HDA_PCM_TYPE_MODEM: - if (num_devs[type]) { - snd_printk(KERN_WARNING - "%s already defined\n", - dev_name[type]); - continue; - } - dev = dev_idx[type]; - break; - default: - snd_printk(KERN_WARNING - "Invalid PCM type %d\n", type); - continue; - } - num_devs[type]++; - if (!cpcm->pcm) { - cpcm->device = dev; - err = snd_hda_attach_pcm(codec, cpcm); - if (err < 0) - return err; - } - } + int err = snd_hda_codec_build_pcms(codec); + if (err < 0) + return err; } return 0; } diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h index 4034625b599..9fe0b67bb1e 100644 --- a/sound/pci/hda/hda_codec.h +++ b/sound/pci/hda/hda_codec.h @@ -617,6 +617,9 @@ struct hda_bus { struct snd_info_entry *proc; + /* assigned PCMs */ + DECLARE_BITMAP(pcm_dev_bits, SNDRV_PCM_DEVICES); + /* misc op flags */ unsigned int needs_damn_long_delay :1; unsigned int shutdown :1; /* being unloaded */ @@ -846,6 +849,7 @@ int snd_hda_codec_build_controls(struct hda_codec *codec); * PCM */ int snd_hda_build_pcms(struct hda_bus *bus); +int snd_hda_codec_build_pcms(struct hda_codec *codec); void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid, u32 stream_tag, int channel_id, int format); diff --git a/sound/pci/hda/hda_hwdep.c b/sound/pci/hda/hda_hwdep.c index 5868bbc131c..173af489322 100644 --- a/sound/pci/hda/hda_hwdep.c +++ b/sound/pci/hda/hda_hwdep.c @@ -168,7 +168,7 @@ static int reconfig_codec(struct hda_codec *codec) if (err < 0) return err; /* rebuild PCMs */ - err = snd_hda_build_pcms(codec->bus); + err = snd_hda_codec_build_pcms(codec); if (err < 0) return err; /* rebuild mixers */ |