sound/soc/soc-link.c

34  * We might want to check substream by using list.
37 #define soc_link_mark_push(rtd, substream, tgt)		((rtd)->mark_##tgt = substream)
38 #define soc_link_mark_pop(rtd, substream, tgt)		((rtd)->mark_##tgt = NULL)
39 #define soc_link_mark_match(rtd, substream, tgt)	((rtd)->mark_##tgt == substream)
68 int snd_soc_link_startup(struct snd_pcm_substream *substream)
70 	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
75 		ret = rtd->dai_link->ops->startup(substream);
77 	/* mark substream if succeeded */
79 		soc_link_mark_push(rtd, substream, startup);
84 void snd_soc_link_shutdown(struct snd_pcm_substream *substream,
87 	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
89 	if (rollback && !soc_link_mark_match(rtd, substream, startup))
94 		rtd->dai_link->ops->shutdown(substream);
96 	/* remove marked substream */
97 	soc_link_mark_pop(rtd, substream, startup);
100 int snd_soc_link_prepare(struct snd_pcm_substream *substream)
102 	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
107 		ret = rtd->dai_link->ops->prepare(substream);
112 int snd_soc_link_hw_params(struct snd_pcm_substream *substream,
115 	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
120 		ret = rtd->dai_link->ops->hw_params(substream, params);
122 	/* mark substream if succeeded */
124 		soc_link_mark_push(rtd, substream, hw_params);
129 void snd_soc_link_hw_free(struct snd_pcm_substream *substream, int rollback)
131 	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
133 	if (rollback && !soc_link_mark_match(rtd, substream, hw_params))
138 		rtd->dai_link->ops->hw_free(substream);
140 	/* remove marked substream */
141 	soc_link_mark_pop(rtd, substream, hw_params);
144 static int soc_link_trigger(struct snd_pcm_substream *substream, int cmd)
146 	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
151 		ret = rtd->dai_link->ops->trigger(substream, cmd);
156 int snd_soc_link_trigger(struct snd_pcm_substream *substream, int cmd,
159 	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
166 		ret = soc_link_trigger(substream, cmd);
169 		soc_link_mark_push(rtd, substream, trigger);
174 		if (rollback && !soc_link_mark_match(rtd, substream, trigger))
177 		ret = soc_link_trigger(substream, cmd);
178 		soc_link_mark_pop(rtd, substream, startup);