diff options
| -rw-r--r-- | sound/pci/hda/hda_codec.c | 9 | ||||
| -rw-r--r-- | sound/pci/hda/hda_controller.c | 30 |
2 files changed, 26 insertions, 13 deletions
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index 20283bead10a..3bd9158addc2 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -4525,7 +4525,11 @@ int snd_hda_codec_prepare(struct hda_codec *codec, { int ret; mutex_lock(&codec->bus->prepare_mutex); - ret = hinfo->ops.prepare(hinfo, codec, stream, format, substream); + if (hinfo->ops.prepare) + ret = hinfo->ops.prepare(hinfo, codec, stream, format, + substream); + else + ret = -ENODEV; if (ret >= 0) purify_inactive_streams(codec); mutex_unlock(&codec->bus->prepare_mutex); @@ -4546,7 +4550,8 @@ void snd_hda_codec_cleanup(struct hda_codec *codec, struct snd_pcm_substream *substream) { mutex_lock(&codec->bus->prepare_mutex); - hinfo->ops.cleanup(hinfo, codec, substream); + if (hinfo->ops.cleanup) + hinfo->ops.cleanup(hinfo, codec, substream); mutex_unlock(&codec->bus->prepare_mutex); } EXPORT_SYMBOL_GPL(snd_hda_codec_cleanup); diff --git a/sound/pci/hda/hda_controller.c b/sound/pci/hda/hda_controller.c index be02bca6f7e6..ad85f9bfaf57 100644 --- a/sound/pci/hda/hda_controller.c +++ b/sound/pci/hda/hda_controller.c @@ -416,7 +416,8 @@ static int azx_pcm_close(struct snd_pcm_substream *substream) azx_dev->running = 0; spin_unlock_irqrestore(&chip->reg_lock, flags); azx_release_device(azx_dev); - hinfo->ops.close(hinfo, apcm->codec, substream); + if (hinfo->ops.close) + hinfo->ops.close(hinfo, apcm->codec, substream); snd_hda_power_down(apcm->codec); mutex_unlock(&chip->open_mutex); return 0; @@ -808,8 +809,8 @@ static int azx_pcm_open(struct snd_pcm_substream *substream) mutex_lock(&chip->open_mutex); azx_dev = azx_assign_device(chip, substream); if (azx_dev == NULL) { - mutex_unlock(&chip->open_mutex); - return -EBUSY; + err = -EBUSY; + goto unlock; } runtime->hw = azx_pcm_hw; runtime->hw.channels_min = hinfo->channels_min; @@ -844,12 +845,13 @@ static int azx_pcm_open(struct snd_pcm_substream *substream) snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, buff_step); snd_hda_power_up(apcm->codec); - err = hinfo->ops.open(hinfo, apcm->codec, substream); + if (hinfo->ops.open) + err = hinfo->ops.open(hinfo, apcm->codec, substream); + else + err = -ENODEV; if (err < 0) { azx_release_device(azx_dev); - snd_hda_power_down(apcm->codec); - mutex_unlock(&chip->open_mutex); - return err; + goto powerdown; } snd_pcm_limit_hw_rates(runtime); /* sanity check */ @@ -858,10 +860,10 @@ static int azx_pcm_open(struct snd_pcm_substream *substream) snd_BUG_ON(!runtime->hw.formats) || snd_BUG_ON(!runtime->hw.rates)) { azx_release_device(azx_dev); - hinfo->ops.close(hinfo, apcm->codec, substream); - snd_hda_power_down(apcm->codec); - mutex_unlock(&chip->open_mutex); - return -EINVAL; + if (hinfo->ops.close) + hinfo->ops.close(hinfo, apcm->codec, substream); + err = -EINVAL; + goto powerdown; } /* disable LINK_ATIME timestamps for capture streams @@ -880,6 +882,12 @@ static int azx_pcm_open(struct snd_pcm_substream *substream) snd_pcm_set_sync(substream); mutex_unlock(&chip->open_mutex); return 0; + + powerdown: + snd_hda_power_down(apcm->codec); + unlock: + mutex_unlock(&chip->open_mutex); + return err; } static int azx_pcm_mmap(struct snd_pcm_substream *substream, |