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-rw-r--r--include/sound/soc.h4
-rw-r--r--sound/soc/soc-pcm.c56
2 files changed, 16 insertions, 44 deletions
diff --git a/include/sound/soc.h b/include/sound/soc.h
index fa6ce936f899..5ac578c9340c 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -1184,14 +1184,10 @@ struct snd_soc_pcm_runtime {
for ((i) = 0; \
((i) < rtd->num_cpus) && ((dai) = asoc_rtd_to_cpu(rtd, i)); \
(i)++)
-#define for_each_rtd_cpu_dais_rollback(rtd, i, dai) \
- for (; (--(i) >= 0) && ((dai) = asoc_rtd_to_cpu(rtd, i));)
#define for_each_rtd_codec_dais(rtd, i, dai) \
for ((i) = 0; \
((i) < rtd->num_codecs) && ((dai) = asoc_rtd_to_codec(rtd, i)); \
(i)++)
-#define for_each_rtd_codec_dais_rollback(rtd, i, dai) \
- for (; (--(i) >= 0) && ((dai) = asoc_rtd_to_codec(rtd, i));)
#define for_each_rtd_dais(rtd, i, dai) \
for ((i) = 0; \
((i) < (rtd)->num_cpus + (rtd)->num_codecs) && \
diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index d4dd2dc1b00c..17ff3a369631 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -860,10 +860,7 @@ static void soc_pcm_codec_params_fixup(struct snd_pcm_hw_params *params,
interval->max = channels;
}
-/*
- * Frees resources allocated by hw_params, can be called multiple times
- */
-static int soc_pcm_hw_free(struct snd_pcm_substream *substream)
+static int soc_pcm_hw_clean(struct snd_pcm_substream *substream, int rollback)
{
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
struct snd_soc_dai *dai;
@@ -886,17 +883,17 @@ static int soc_pcm_hw_free(struct snd_pcm_substream *substream)
}
/* free any machine hw params */
- snd_soc_link_hw_free(substream, 0);
+ snd_soc_link_hw_free(substream, rollback);
/* free any component resources */
- snd_soc_pcm_component_hw_free(substream, 0);
+ snd_soc_pcm_component_hw_free(substream, rollback);
/* now free hw params for the DAIs */
for_each_rtd_dais(rtd, i, dai) {
if (!snd_soc_dai_stream_valid(dai, substream->stream))
continue;
- snd_soc_dai_hw_free(dai, substream, 0);
+ snd_soc_dai_hw_free(dai, substream, rollback);
}
mutex_unlock(&rtd->card->pcm_mutex);
@@ -904,6 +901,14 @@ static int soc_pcm_hw_free(struct snd_pcm_substream *substream)
}
/*
+ * Frees resources allocated by hw_params, can be called multiple times
+ */
+static int soc_pcm_hw_free(struct snd_pcm_substream *substream)
+{
+ return soc_pcm_hw_clean(substream, 0);
+}
+
+/*
* Called by ALSA when the hardware params are set by application. This
* function can also be called multiple times and can allocate buffers
* (using snd_pcm_lib_* ). It's non-atomic.
@@ -963,7 +968,7 @@ static int soc_pcm_hw_params(struct snd_pcm_substream *substream,
ret = snd_soc_dai_hw_params(codec_dai, substream,
&codec_params);
if(ret < 0)
- goto codec_err;
+ goto out;
codec_dai->rate = params_rate(&codec_params);
codec_dai->channels = params_channels(&codec_params);
@@ -983,7 +988,7 @@ static int soc_pcm_hw_params(struct snd_pcm_substream *substream,
ret = snd_soc_dai_hw_params(cpu_dai, substream, params);
if (ret < 0)
- goto interface_err;
+ goto out;
/* store the parameters for each DAI */
cpu_dai->rate = params_rate(params);
@@ -995,41 +1000,12 @@ static int soc_pcm_hw_params(struct snd_pcm_substream *substream,
}
ret = snd_soc_pcm_component_hw_params(substream, params);
- if (ret < 0)
- goto component_err;
-
out:
mutex_unlock(&rtd->card->pcm_mutex);
- return ret;
-component_err:
- snd_soc_pcm_component_hw_free(substream, 1);
-
- i = rtd->num_cpus;
-
-interface_err:
- for_each_rtd_cpu_dais_rollback(rtd, i, cpu_dai) {
- if (!snd_soc_dai_stream_valid(cpu_dai, substream->stream))
- continue;
-
- snd_soc_dai_hw_free(cpu_dai, substream, 1);
- cpu_dai->rate = 0;
- }
-
- i = rtd->num_codecs;
-
-codec_err:
- for_each_rtd_codec_dais_rollback(rtd, i, codec_dai) {
- if (!snd_soc_dai_stream_valid(codec_dai, substream->stream))
- continue;
-
- snd_soc_dai_hw_free(codec_dai, substream, 1);
- codec_dai->rate = 0;
- }
-
- snd_soc_link_hw_free(substream, 1);
+ if (ret < 0)
+ soc_pcm_hw_clean(substream, 1);
- mutex_unlock(&rtd->card->pcm_mutex);
return ret;
}