ASoC: wm_adsp: Add debug audio trace firmware

The audio trace firmware allows the capture of arbitrary streams of
audio from the DSP and commonly used for debugging other firmwares. This
patch adds support for this firwmare into the ADSP driver.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 24 insertions, 1 deletions

diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c
index 0392c58dfc5d..a81f568a9660 100644
--- a/sound/soc/codecs/wm_adsp.c
+++ b/sound/soc/codecs/wm_adsp.c
@@ -367,6 +367,24 @@ static const struct wm_adsp_fw_caps ctrl_caps[] = {
         },
 };
 
+static const struct wm_adsp_fw_caps trace_caps[] = {
+        {
+                .id = SND_AUDIOCODEC_BESPOKE,
+                .desc = {
+                        .max_ch = 8,
+                        .sample_rates = {
+                                4000, 8000, 11025, 12000, 16000, 22050,
+                                24000, 32000, 44100, 48000, 64000, 88200,
+                                96000, 176400, 192000
+                        },
+                        .num_sample_rates = 15,
+                        .formats = SNDRV_PCM_FMTBIT_S16_LE,
+                },
+                .num_regions = ARRAY_SIZE(default_regions),
+                .region_defs = default_regions,
+        },
+};
+
 static const struct {
         const char *file;
         int compr_direction;
@@ -386,7 +404,12 @@ static const struct {
                 .caps = ctrl_caps,
         },
         [WM_ADSP_FW_ASR] =      { .file = "asr" },
-        [WM_ADSP_FW_TRACE] =    { .file = "trace" },
+        [WM_ADSP_FW_TRACE] =    {
+                .file = "trace",
+                .compr_direction = SND_COMPRESS_CAPTURE,
+                .num_caps = ARRAY_SIZE(trace_caps),
+                .caps = trace_caps,
+        },
         [WM_ADSP_FW_SPK_PROT] = { .file = "spk-prot" },
         [WM_ADSP_FW_MISC] =     { .file = "misc" },
 };