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Diffstat (limited to 'sound/soc/soc-pcm.c')
-rw-r--r--sound/soc/soc-pcm.c137
1 files changed, 59 insertions, 78 deletions
diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index 4f60c0a83311..fb87d6d23408 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -27,6 +27,28 @@
#include <sound/soc-link.h>
#include <sound/initval.h>
+#define soc_pcm_ret(rtd, ret) _soc_pcm_ret(rtd, __func__, ret)
+static inline int _soc_pcm_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;
+}
+
static inline void snd_soc_dpcm_mutex_lock(struct snd_soc_pcm_runtime *rtd)
{
mutex_lock_nested(&rtd->card->pcm_mutex, rtd->card->pcm_subclass);
@@ -62,11 +84,11 @@ static inline void snd_soc_dpcm_stream_unlock_irq(struct snd_soc_pcm_runtime *rt
static inline const char *soc_cpu_dai_name(struct snd_soc_pcm_runtime *rtd)
{
- return (rtd)->num_cpus == 1 ? asoc_rtd_to_cpu(rtd, 0)->name : "multicpu";
+ return (rtd)->dai_link->num_cpus == 1 ? asoc_rtd_to_cpu(rtd, 0)->name : "multicpu";
}
static inline const char *soc_codec_dai_name(struct snd_soc_pcm_runtime *rtd)
{
- return (rtd)->num_codecs == 1 ? asoc_rtd_to_codec(rtd, 0)->name : "multicodec";
+ return (rtd)->dai_link->num_codecs == 1 ? asoc_rtd_to_codec(rtd, 0)->name : "multicodec";
}
#ifdef CONFIG_DEBUG_FS
@@ -163,7 +185,7 @@ static ssize_t dpcm_state_read_file(struct file *file, char __user *user_buf,
int stream;
char *buf;
- if (fe->num_cpus > 1) {
+ if (fe->dai_link->num_cpus > 1) {
dev_err(fe->dev,
"%s doesn't support Multi CPU yet\n", __func__);
return -EINVAL;
@@ -615,7 +637,7 @@ int snd_soc_runtime_calc_hw(struct snd_soc_pcm_runtime *rtd,
* connected to CPU DAI(s), use CPU DAI's directly and let
* channel allocation be fixed up later
*/
- if (rtd->num_codecs > 1) {
+ if (rtd->dai_link->num_codecs > 1) {
hw->channels_min = cpu_chan_min;
hw->channels_max = cpu_chan_max;
}
@@ -723,7 +745,7 @@ static int soc_pcm_close(struct snd_pcm_substream *substream)
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
snd_soc_dpcm_mutex_lock(rtd);
- soc_pcm_clean(rtd, substream, 0);
+ __soc_pcm_close(rtd, substream);
snd_soc_dpcm_mutex_unlock(rtd);
return 0;
}
@@ -832,12 +854,10 @@ dynamic:
snd_soc_runtime_activate(rtd, substream->stream);
ret = 0;
err:
- if (ret < 0) {
+ if (ret < 0)
soc_pcm_clean(rtd, substream, 1);
- dev_err(rtd->dev, "%s() failed (%d)", __func__, ret);
- }
- return ret;
+ return soc_pcm_ret(rtd, ret);
}
/* PCM open ops for non-DPCM streams */
@@ -852,16 +872,6 @@ static int soc_pcm_open(struct snd_pcm_substream *substream)
return ret;
}
-static void codec2codec_close_delayed_work(struct snd_soc_pcm_runtime *rtd)
-{
- /*
- * Currently nothing to do for c2c links
- * Since c2c links are internal nodes in the DAPM graph and
- * don't interface with the outside world or application layer
- * we don't have to do any special handling on close.
- */
-}
-
/*
* Called by ALSA when the PCM substream is prepared, can set format, sample
* rate, etc. This function is non atomic and can be called multiple times,
@@ -901,10 +911,7 @@ static int __soc_pcm_prepare(struct snd_soc_pcm_runtime *rtd,
snd_soc_dai_digital_mute(dai, 0, substream->stream);
out:
- if (ret < 0)
- dev_err(rtd->dev, "ASoC: %s() failed (%d)\n", __func__, ret);
-
- return ret;
+ return soc_pcm_ret(rtd, ret);
}
/* PCM prepare ops for non-DPCM streams */
@@ -1070,12 +1077,10 @@ static int __soc_pcm_hw_params(struct snd_soc_pcm_runtime *rtd,
ret = snd_soc_pcm_component_hw_params(substream, params);
out:
- if (ret < 0) {
+ if (ret < 0)
soc_pcm_hw_clean(rtd, substream, 1);
- dev_err(rtd->dev, "ASoC: %s() failed (%d)\n", __func__, ret);
- }
- return ret;
+ return soc_pcm_ret(rtd, ret);
}
/* hw_params PCM ops for non-DPCM streams */
@@ -1374,7 +1379,7 @@ int dpcm_path_get(struct snd_soc_pcm_runtime *fe,
struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(fe, 0);
int paths;
- if (fe->num_cpus > 1) {
+ if (fe->dai_link->num_cpus > 1) {
dev_err(fe->dev,
"%s doesn't support Multi CPU yet\n", __func__);
return -EINVAL;
@@ -1453,6 +1458,10 @@ static int dpcm_add_paths(struct snd_soc_pcm_runtime *fe, int stream,
struct snd_soc_dapm_widget *widget;
int i, new = 0, err;
+ /* don't connect if FE is not running */
+ if (!fe->dpcm[stream].runtime && !fe->fe_compr)
+ return new;
+
/* Create any new FE <--> BE connections */
for_each_dapm_widgets(list, i, widget) {
@@ -1477,10 +1486,6 @@ static int dpcm_add_paths(struct snd_soc_pcm_runtime *fe, int stream,
continue;
}
- /* don't connect if FE is not running */
- if (!fe->dpcm[stream].runtime && !fe->fe_compr)
- continue;
-
/*
* Filter for systems with 'component_chaining' enabled.
* This helps to avoid unnecessary re-configuration of an
@@ -1637,10 +1642,7 @@ int dpcm_be_dai_startup(struct snd_soc_pcm_runtime *fe, int stream)
unwind:
dpcm_be_dai_startup_rollback(fe, stream, dpcm);
- dev_err(fe->dev, "ASoC: %s() failed at %s (%d)\n",
- __func__, be->dai_link->name, err);
-
- return err;
+ return soc_pcm_ret(fe, err);
}
static void dpcm_runtime_setup_fe(struct snd_pcm_substream *substream)
@@ -1749,7 +1751,7 @@ static void dpcm_runtime_setup_be_chan(struct snd_pcm_substream *substream)
* chan min/max cannot be enforced if there are multiple CODEC
* DAIs connected to a single CPU DAI, use CPU DAI's directly
*/
- if (be->num_codecs == 1) {
+ if (be->dai_link->num_codecs == 1) {
struct snd_soc_pcm_stream *codec_stream = snd_soc_dai_get_pcm_stream(
asoc_rtd_to_codec(be, 0), stream);
@@ -1840,10 +1842,7 @@ static int dpcm_apply_symmetry(struct snd_pcm_substream *fe_substream,
}
}
error:
- if (err < 0)
- dev_err(fe->dev, "ASoC: %s failed (%d)\n", __func__, err);
-
- return err;
+ return soc_pcm_ret(fe, err);
}
static int dpcm_fe_dai_startup(struct snd_pcm_substream *fe_substream)
@@ -1880,10 +1879,7 @@ unwind:
be_err:
dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_NO);
- if (ret < 0)
- dev_err(fe->dev, "%s() failed (%d)\n", __func__, ret);
-
- return ret;
+ return soc_pcm_ret(fe, ret);
}
static int dpcm_fe_dai_shutdown(struct snd_pcm_substream *substream)
@@ -2082,10 +2078,7 @@ out:
dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_NO);
snd_soc_dpcm_mutex_unlock(fe);
- if (ret < 0)
- dev_err(fe->dev, "ASoC: %s failed (%d)\n", __func__, ret);
-
- return ret;
+ return soc_pcm_ret(fe, ret);
}
int dpcm_be_dai_trigger(struct snd_soc_pcm_runtime *fe, int stream,
@@ -2254,10 +2247,7 @@ next:
if (ret)
break;
}
- if (ret < 0)
- dev_err(fe->dev, "ASoC: %s() failed at %s (%d)\n",
- __func__, be->dai_link->name, ret);
- return ret;
+ return soc_pcm_ret(fe, ret);
}
EXPORT_SYMBOL_GPL(dpcm_be_dai_trigger);
@@ -2428,10 +2418,7 @@ int dpcm_be_dai_prepare(struct snd_soc_pcm_runtime *fe, int stream)
be->dpcm[stream].state = SND_SOC_DPCM_STATE_PREPARE;
}
- if (ret < 0)
- dev_err(fe->dev, "ASoC: %s() failed (%d)\n", __func__, ret);
-
- return ret;
+ return soc_pcm_ret(fe, ret);
}
static int dpcm_fe_dai_prepare(struct snd_pcm_substream *substream)
@@ -2468,10 +2455,7 @@ out:
dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_NO);
snd_soc_dpcm_mutex_unlock(fe);
- if (ret < 0)
- dev_err(fe->dev, "ASoC: %s() failed (%d)\n", __func__, ret);
-
- return ret;
+ return soc_pcm_ret(fe, ret);
}
static int dpcm_run_update_shutdown(struct snd_soc_pcm_runtime *fe, int stream)
@@ -2504,10 +2488,7 @@ static int dpcm_run_update_shutdown(struct snd_soc_pcm_runtime *fe, int stream)
/* run the stream event for each BE */
dpcm_dapm_stream_event(fe, stream, SND_SOC_DAPM_STREAM_NOP);
- if (err < 0)
- dev_err(fe->dev, "ASoC: %s() failed (%d)\n", __func__, err);
-
- return err;
+ return soc_pcm_ret(fe, err);
}
static int dpcm_run_update_startup(struct snd_soc_pcm_runtime *fe, int stream)
@@ -2597,10 +2578,7 @@ disconnect:
dpcm->state = SND_SOC_DPCM_LINK_STATE_FREE;
}
- if (ret < 0)
- dev_err(fe->dev, "ASoC: %s() failed (%d)\n", __func__, ret);
-
- return ret;
+ return soc_pcm_ret(fe, ret);
}
static int soc_dpcm_fe_runtime_update(struct snd_soc_pcm_runtime *fe, int new)
@@ -2612,7 +2590,7 @@ static int soc_dpcm_fe_runtime_update(struct snd_soc_pcm_runtime *fe, int new)
if (!fe->dai_link->dynamic)
return 0;
- if (fe->num_cpus > 1) {
+ if (fe->dai_link->num_cpus > 1) {
dev_err(fe->dev,
"%s doesn't support Multi CPU yet\n", __func__);
return -EINVAL;
@@ -2756,7 +2734,7 @@ static int soc_get_playback_capture(struct snd_soc_pcm_runtime *rtd,
struct snd_soc_dai *cpu_dai;
int i;
- if (rtd->dai_link->dynamic && rtd->num_cpus > 1) {
+ if (rtd->dai_link->dynamic && rtd->dai_link->num_cpus > 1) {
dev_err(rtd->dev,
"DPCM doesn't support Multi CPU for Front-Ends yet\n");
return -EINVAL;
@@ -2808,9 +2786,9 @@ static int soc_get_playback_capture(struct snd_soc_pcm_runtime *rtd,
SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK;
for_each_rtd_codec_dais(rtd, i, codec_dai) {
- if (rtd->num_cpus == 1) {
+ if (rtd->dai_link->num_cpus == 1) {
cpu_dai = asoc_rtd_to_cpu(rtd, 0);
- } else if (rtd->num_cpus == rtd->num_codecs) {
+ } else if (rtd->dai_link->num_cpus == rtd->dai_link->num_codecs) {
cpu_dai = asoc_rtd_to_cpu(rtd, i);
} else {
dev_err(rtd->card->dev,
@@ -2899,14 +2877,19 @@ int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num)
return ret;
/* DAPM dai link stream work */
- if (rtd->dai_link->params)
- rtd->close_delayed_work_func = codec2codec_close_delayed_work;
- else
+ /*
+ * Currently nothing to do for c2c links
+ * Since c2c links are internal nodes in the DAPM graph and
+ * don't interface with the outside world or application layer
+ * we don't have to do any special handling on close.
+ */
+ if (!rtd->dai_link->params)
rtd->close_delayed_work_func = snd_soc_close_delayed_work;
rtd->pcm = pcm;
pcm->nonatomic = rtd->dai_link->nonatomic;
pcm->private_data = rtd;
+ pcm->no_device_suspend = true;
if (rtd->dai_link->no_pcm || rtd->dai_link->params) {
if (playback)
@@ -2961,8 +2944,6 @@ int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num)
ret = snd_soc_pcm_component_new(rtd);
if (ret < 0)
return ret;
-
- pcm->no_device_suspend = true;
out:
dev_dbg(rtd->card->dev, "%s <-> %s mapping ok\n",
soc_codec_dai_name(rtd), soc_cpu_dai_name(rtd));