diff options
| -rw-r--r-- | sound/soc/sof/ipc3-dtrace.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/sound/soc/sof/ipc3-dtrace.c b/sound/soc/sof/ipc3-dtrace.c index b4e1343f9138..9292ff7ce1e8 100644 --- a/sound/soc/sof/ipc3-dtrace.c +++ b/sound/soc/sof/ipc3-dtrace.c @@ -18,6 +18,7 @@ enum sof_dtrace_state { SOF_DTRACE_DISABLED, SOF_DTRACE_STOPPED, + SOF_DTRACE_INITIALIZING, SOF_DTRACE_ENABLED, }; @@ -32,6 +33,15 @@ struct sof_dtrace_priv { enum sof_dtrace_state dtrace_state; }; +static bool trace_pos_update_expected(struct sof_dtrace_priv *priv) +{ + if (priv->dtrace_state == SOF_DTRACE_ENABLED || + priv->dtrace_state == SOF_DTRACE_INITIALIZING) + return true; + + return false; +} + static int trace_filter_append_elem(struct snd_sof_dev *sdev, u32 key, u32 value, struct sof_ipc_trace_filter_elem *elem_list, int capacity, int *counter) @@ -274,7 +284,7 @@ static size_t sof_wait_dtrace_avail(struct snd_sof_dev *sdev, loff_t pos, if (ret) return ret; - if (priv->dtrace_state != SOF_DTRACE_ENABLED && priv->dtrace_draining) { + if (priv->dtrace_draining && !trace_pos_update_expected(priv)) { /* * tracing has ended and all traces have been * read by client, return EOF @@ -445,6 +455,7 @@ static int ipc3_dtrace_enable(struct snd_sof_dev *sdev) dev_dbg(sdev->dev, "%s: stream_tag: %d\n", __func__, params.stream_tag); /* send IPC to the DSP */ + priv->dtrace_state = SOF_DTRACE_INITIALIZING; ret = sof_ipc_tx_message(sdev->ipc, ¶ms, sizeof(params), &ipc_reply, sizeof(ipc_reply)); if (ret < 0) { dev_err(sdev->dev, "can't set params for DMA for trace %d\n", ret); @@ -452,17 +463,18 @@ static int ipc3_dtrace_enable(struct snd_sof_dev *sdev) } start: + priv->dtrace_state = SOF_DTRACE_ENABLED; + ret = sof_dtrace_host_trigger(sdev, SNDRV_PCM_TRIGGER_START); if (ret < 0) { dev_err(sdev->dev, "Host dtrace trigger start failed: %d\n", ret); goto trace_release; } - priv->dtrace_state = SOF_DTRACE_ENABLED; - return 0; trace_release: + priv->dtrace_state = SOF_DTRACE_DISABLED; sof_dtrace_host_release(sdev); return ret; } @@ -546,7 +558,7 @@ int ipc3_dtrace_posn_update(struct snd_sof_dev *sdev, if (!sdev->fw_trace_is_supported) return 0; - if (priv->dtrace_state == SOF_DTRACE_ENABLED && + if (trace_pos_update_expected(priv) && priv->host_offset != posn->host_offset) { priv->host_offset = posn->host_offset; wake_up(&priv->trace_sleep); |