diff options
| author | Charles Keepax <ckeepax@opensource.wolfsonmicro.com> | 2016-03-28 14:29:24 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2016-03-29 10:11:10 -0700 |
| commit | c13202f7d7101a6f5542f3a31b9a6787ae7b746c (patch) | |
| tree | 574af44434c13370f1017a7b864c1f7c533186d6 /sound/soc/codecs/cs47l24.c | |
| parent | 9abe3dc77ea7ccad1c2112257bb352435dcee0ff (diff) | |
| download | lwn-c13202f7d7101a6f5542f3a31b9a6787ae7b746c.tar.gz lwn-c13202f7d7101a6f5542f3a31b9a6787ae7b746c.zip | |
ASoC: cs47l24: Add support for audio trace firmware
cs47l24 supports the audio trace firmware, this streams of audio to be
captured from the CODEC over a compressed audio channel for
analysis/debugging of audio processing firmwares.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs/cs47l24.c')
| -rw-r--r-- | sound/soc/codecs/cs47l24.c | 38 |
1 files changed, 35 insertions, 3 deletions
diff --git a/sound/soc/codecs/cs47l24.c b/sound/soc/codecs/cs47l24.c index 383700a178c7..6b8b5571d3cc 100644 --- a/sound/soc/codecs/cs47l24.c +++ b/sound/soc/codecs/cs47l24.c @@ -807,6 +807,9 @@ static const struct snd_soc_dapm_route cs47l24_dapm_routes[] = { { "IN2L PGA", NULL, "IN2L" }, { "IN2R PGA", NULL, "IN2R" }, + { "Audio Trace DSP", NULL, "DSP2" }, + { "Audio Trace DSP", NULL, "SYSCLK" }, + ARIZONA_MIXER_ROUTES("OUT1L", "HPOUT1L"), ARIZONA_MIXER_ROUTES("OUT1R", "HPOUT1R"), @@ -1016,6 +1019,27 @@ static struct snd_soc_dai_driver cs47l24_dai[] = { .formats = CS47L24_FORMATS, }, }, + { + .name = "cs47l24-cpu-trace", + .capture = { + .stream_name = "Audio Trace CPU", + .channels_min = 1, + .channels_max = 6, + .rates = CS47L24_RATES, + .formats = CS47L24_FORMATS, + }, + .compress_new = snd_soc_new_compress, + }, + { + .name = "cs47l24-dsp-trace", + .capture = { + .stream_name = "Audio Trace DSP", + .channels_min = 1, + .channels_max = 6, + .rates = CS47L24_RATES, + .formats = CS47L24_FORMATS, + }, + }, }; static int cs47l24_open(struct snd_compr_stream *stream) @@ -1027,6 +1051,8 @@ static int cs47l24_open(struct snd_compr_stream *stream) if (strcmp(rtd->codec_dai->name, "cs47l24-dsp-voicectrl") == 0) { n_adsp = 2; + } else if (strcmp(rtd->codec_dai->name, "cs47l24-dsp-trace") == 0) { + n_adsp = 1; } else { dev_err(arizona->dev, "No suitable compressed stream for DAI '%s'\n", @@ -1041,10 +1067,16 @@ static irqreturn_t cs47l24_adsp2_irq(int irq, void *data) { struct cs47l24_priv *priv = data; struct arizona *arizona = priv->core.arizona; - int ret; + int serviced = 0; + int i, ret; + + for (i = 1; i <= 2; ++i) { + ret = wm_adsp_compr_handle_irq(&priv->core.adsp[i]); + if (ret != -ENODEV) + serviced++; + } - ret = wm_adsp_compr_handle_irq(&priv->core.adsp[2]); - if (ret == -ENODEV) { + if (!serviced) { dev_err(arizona->dev, "Spurious compressed data IRQ\n"); return IRQ_NONE; } |