diff options
Diffstat (limited to 'sound/soc/soc-link.c')
| -rw-r--r-- | sound/soc/soc-link.c | 104 |
1 files changed, 78 insertions, 26 deletions
diff --git a/sound/soc/soc-link.c b/sound/soc/soc-link.c index cec70b19863e..02fd68f2e702 100644 --- a/sound/soc/soc-link.c +++ b/sound/soc/soc-link.c @@ -12,24 +12,18 @@ static inline int _soc_link_ret(struct snd_soc_pcm_runtime *rtd, const char *func, int ret) { - /* Positive, Zero values are not errors */ - if (ret >= 0) - return ret; - - /* Negative values might be errors */ - switch (ret) { - case -EPROBE_DEFER: - case -ENOTSUPP: - break; - default: - dev_err(rtd->dev, - "ASoC: error at %s on %s: %d\n", - func, rtd->dai_link->name, ret); - } - - return ret; + return snd_soc_ret(rtd->dev, ret, + "at %s() on %s\n", func, rtd->dai_link->name); } +/* + * We might want to check substream by using list. + * In such case, we can update these macros. + */ +#define soc_link_mark_push(rtd, substream, tgt) ((rtd)->mark_##tgt = substream) +#define soc_link_mark_pop(rtd, tgt) ((rtd)->mark_##tgt = NULL) +#define soc_link_mark_match(rtd, substream, tgt) ((rtd)->mark_##tgt == substream) + int snd_soc_link_init(struct snd_soc_pcm_runtime *rtd) { int ret = 0; @@ -59,28 +53,39 @@ int snd_soc_link_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd, int snd_soc_link_startup(struct snd_pcm_substream *substream) { - struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); + struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); int ret = 0; if (rtd->dai_link->ops && rtd->dai_link->ops->startup) ret = rtd->dai_link->ops->startup(substream); + /* mark substream if succeeded */ + if (ret == 0) + soc_link_mark_push(rtd, substream, startup); + return soc_link_ret(rtd, ret); } -void snd_soc_link_shutdown(struct snd_pcm_substream *substream) +void snd_soc_link_shutdown(struct snd_pcm_substream *substream, + int rollback) { - struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); + struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); + + if (rollback && !soc_link_mark_match(rtd, substream, startup)) + return; if (rtd->dai_link->ops && rtd->dai_link->ops->shutdown) rtd->dai_link->ops->shutdown(substream); + + /* remove marked substream */ + soc_link_mark_pop(rtd, startup); } int snd_soc_link_prepare(struct snd_pcm_substream *substream) { - struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); + struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); int ret = 0; if (rtd->dai_link->ops && @@ -93,28 +98,38 @@ int snd_soc_link_prepare(struct snd_pcm_substream *substream) int snd_soc_link_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { - struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); + struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); int ret = 0; if (rtd->dai_link->ops && rtd->dai_link->ops->hw_params) ret = rtd->dai_link->ops->hw_params(substream, params); + /* mark substream if succeeded */ + if (ret == 0) + soc_link_mark_push(rtd, substream, hw_params); + return soc_link_ret(rtd, ret); } -void snd_soc_link_hw_free(struct snd_pcm_substream *substream) +void snd_soc_link_hw_free(struct snd_pcm_substream *substream, int rollback) { - struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); + struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); + + if (rollback && !soc_link_mark_match(rtd, substream, hw_params)) + return; if (rtd->dai_link->ops && rtd->dai_link->ops->hw_free) rtd->dai_link->ops->hw_free(substream); + + /* remove marked substream */ + soc_link_mark_pop(rtd, hw_params); } -int snd_soc_link_trigger(struct snd_pcm_substream *substream, int cmd) +static int soc_link_trigger(struct snd_pcm_substream *substream, int cmd) { - struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); + struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); int ret = 0; if (rtd->dai_link->ops && @@ -124,6 +139,34 @@ int snd_soc_link_trigger(struct snd_pcm_substream *substream, int cmd) return soc_link_ret(rtd, ret); } +int snd_soc_link_trigger(struct snd_pcm_substream *substream, int cmd, + int rollback) +{ + struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); + int ret = 0; + + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + case SNDRV_PCM_TRIGGER_RESUME: + case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: + ret = soc_link_trigger(substream, cmd); + if (ret < 0) + break; + soc_link_mark_push(rtd, substream, trigger); + break; + case SNDRV_PCM_TRIGGER_STOP: + case SNDRV_PCM_TRIGGER_SUSPEND: + case SNDRV_PCM_TRIGGER_PAUSE_PUSH: + if (rollback && !soc_link_mark_match(rtd, substream, trigger)) + break; + + ret = soc_link_trigger(substream, cmd); + soc_link_mark_pop(rtd, startup); + } + + return ret; +} + int snd_soc_link_compr_startup(struct snd_compr_stream *cstream) { struct snd_soc_pcm_runtime *rtd = cstream->private_data; @@ -133,17 +176,26 @@ int snd_soc_link_compr_startup(struct snd_compr_stream *cstream) rtd->dai_link->compr_ops->startup) ret = rtd->dai_link->compr_ops->startup(cstream); + if (ret == 0) + soc_link_mark_push(rtd, cstream, compr_startup); + return soc_link_ret(rtd, ret); } EXPORT_SYMBOL_GPL(snd_soc_link_compr_startup); -void snd_soc_link_compr_shutdown(struct snd_compr_stream *cstream) +void snd_soc_link_compr_shutdown(struct snd_compr_stream *cstream, + int rollback) { struct snd_soc_pcm_runtime *rtd = cstream->private_data; + if (rollback && !soc_link_mark_match(rtd, cstream, compr_startup)) + return; + if (rtd->dai_link->compr_ops && rtd->dai_link->compr_ops->shutdown) rtd->dai_link->compr_ops->shutdown(cstream); + + soc_link_mark_pop(rtd, compr_startup); } EXPORT_SYMBOL_GPL(snd_soc_link_compr_shutdown); |