The DSP_SCRATCH1 register is used by firmwares to hold diagnostic information. Include this in the shutdown message - it can be useful for debugging.
Signed-off-by: Richard Fitzgerald rf@opensource.wolfsonmicro.com --- sound/soc/codecs/wm_adsp.c | 14 +++++++++++++- 1 files changed, 13 insertions(+), 1 deletions(-)
diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c index f6642c1..9b7c03c 100644 --- a/sound/soc/codecs/wm_adsp.c +++ b/sound/soc/codecs/wm_adsp.c @@ -121,6 +121,11 @@ #define ADSP2_WDMA_CONFIG_2 0x31 #define ADSP2_RDMA_CONFIG_1 0x34
+#define ADSP2_SCRATCH0 0x40 +#define ADSP2_SCRATCH1 0x41 +#define ADSP2_SCRATCH2 0x42 +#define ADSP2_SCRATCH3 0x43 + /* * ADSP2 Control */ @@ -1880,6 +1885,7 @@ int wm_adsp2_event(struct snd_soc_dapm_widget *w, struct wm_adsp *dsp = &dsps[w->shift]; struct wm_adsp_alg_region *alg_region; struct wm_coeff_ctl *ctl; + unsigned int scratch1 = 0xFFFFFFFF; int ret;
switch (event) { @@ -1898,6 +1904,12 @@ int wm_adsp2_event(struct snd_soc_dapm_widget *w, break;
case SND_SOC_DAPM_PRE_PMD: + /* Capture DSP_SCRATCH1, it can be useful for analysis */ + ret = regmap_read(dsp->regmap, dsp->base + ADSP2_SCRATCH1, + &scratch1); + if (ret) + adsp_err(dsp, "Failed to read SCRATCH1 %d\n", ret); + dsp->running = false;
regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL, @@ -1935,7 +1947,7 @@ int wm_adsp2_event(struct snd_soc_dapm_widget *w, kfree(alg_region); }
- adsp_dbg(dsp, "Shutdown complete\n"); + adsp_info(dsp, "Shutdown complete (SCRATCH1:0x%x)\n", scratch1); break;
default: