diff options
Diffstat (limited to 'sound/soc/codecs/wm_adsp.c')
| -rw-r--r-- | sound/soc/codecs/wm_adsp.c | 41 |
1 files changed, 28 insertions, 13 deletions
diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c index 1d7ed1bef842..82b0927e6ed7 100644 --- a/sound/soc/codecs/wm_adsp.c +++ b/sound/soc/codecs/wm_adsp.c @@ -1239,9 +1239,16 @@ static int wm_coeff_init_control_caches(struct wm_adsp *dsp) if (ctl->flags & WMFW_CTL_FLAG_VOLATILE) continue; - ret = wm_coeff_read_control(ctl, ctl->cache, ctl->len); - if (ret < 0) - return ret; + /* + * For readable controls populate the cache from the DSP memory. + * For non-readable controls the cache was zero-filled when + * created so we don't need to do anything. + */ + if (!ctl->flags || (ctl->flags & WMFW_CTL_FLAG_READABLE)) { + ret = wm_coeff_read_control(ctl, ctl->cache, ctl->len); + if (ret < 0) + return ret; + } } return 0; @@ -3253,6 +3260,13 @@ static int wm_adsp_buffer_populate(struct wm_adsp_compr_buf *buf) return 0; } +static void wm_adsp_buffer_clear(struct wm_adsp_compr_buf *buf) +{ + buf->irq_count = 0xFFFFFFFF; + buf->read_index = -1; + buf->avail = 0; +} + static int wm_adsp_buffer_init(struct wm_adsp *dsp) { struct wm_adsp_compr_buf *buf; @@ -3263,8 +3277,8 @@ static int wm_adsp_buffer_init(struct wm_adsp *dsp) return -ENOMEM; buf->dsp = dsp; - buf->read_index = -1; - buf->irq_count = 0xFFFFFFFF; + + wm_adsp_buffer_clear(buf); ret = wm_adsp_buffer_locate(buf); if (ret < 0) { @@ -3322,16 +3336,17 @@ int wm_adsp_compr_trigger(struct snd_compr_stream *stream, int cmd) switch (cmd) { case SNDRV_PCM_TRIGGER_START: - if (wm_adsp_compr_attached(compr)) - break; - - ret = wm_adsp_compr_attach(compr); - if (ret < 0) { - adsp_err(dsp, "Failed to link buffer and stream: %d\n", - ret); - break; + if (!wm_adsp_compr_attached(compr)) { + ret = wm_adsp_compr_attach(compr); + if (ret < 0) { + adsp_err(dsp, "Failed to link buffer and stream: %d\n", + ret); + break; + } } + wm_adsp_buffer_clear(compr->buf); + /* Trigger the IRQ at one fragment of data */ ret = wm_adsp_buffer_write(compr->buf, HOST_BUFFER_FIELD(high_water_mark), |
