mirror of https://gitee.com/openkylin/linux.git
ASoC: soc-pcm: move CONFIG_DEBUG_FS functions to top side
This is prepare for CONFIG_DEBUG_FS cleanup Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Link: https://lore.kernel.org/r/878skzjc9k.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Kuninori Morimoto
Mark Brown
parent
52645e332d
commit
c3212829f8
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@ -28,6 +28,144 @@
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#define DPCM_MAX_BE_USERS 8
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#ifdef CONFIG_DEBUG_FS
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static const char *dpcm_state_string(enum snd_soc_dpcm_state state)
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{
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switch (state) {
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case SND_SOC_DPCM_STATE_NEW:
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return "new";
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case SND_SOC_DPCM_STATE_OPEN:
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return "open";
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case SND_SOC_DPCM_STATE_HW_PARAMS:
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return "hw_params";
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case SND_SOC_DPCM_STATE_PREPARE:
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return "prepare";
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case SND_SOC_DPCM_STATE_START:
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return "start";
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case SND_SOC_DPCM_STATE_STOP:
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return "stop";
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case SND_SOC_DPCM_STATE_SUSPEND:
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return "suspend";
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case SND_SOC_DPCM_STATE_PAUSED:
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return "paused";
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case SND_SOC_DPCM_STATE_HW_FREE:
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return "hw_free";
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case SND_SOC_DPCM_STATE_CLOSE:
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return "close";
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}
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return "unknown";
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}
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static ssize_t dpcm_show_state(struct snd_soc_pcm_runtime *fe,
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int stream, char *buf, size_t size)
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{
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struct snd_pcm_hw_params *params = &fe->dpcm[stream].hw_params;
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struct snd_soc_dpcm *dpcm;
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ssize_t offset = 0;
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unsigned long flags;
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/* FE state */
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offset += snprintf(buf + offset, size - offset,
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"[%s - %s]\n", fe->dai_link->name,
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stream ? "Capture" : "Playback");
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offset += snprintf(buf + offset, size - offset, "State: %s\n",
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dpcm_state_string(fe->dpcm[stream].state));
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if ((fe->dpcm[stream].state >= SND_SOC_DPCM_STATE_HW_PARAMS) &&
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(fe->dpcm[stream].state <= SND_SOC_DPCM_STATE_STOP))
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offset += snprintf(buf + offset, size - offset,
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"Hardware Params: "
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"Format = %s, Channels = %d, Rate = %d\n",
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snd_pcm_format_name(params_format(params)),
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params_channels(params),
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params_rate(params));
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/* BEs state */
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offset += snprintf(buf + offset, size - offset, "Backends:\n");
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if (list_empty(&fe->dpcm[stream].be_clients)) {
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offset += snprintf(buf + offset, size - offset,
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" No active DSP links\n");
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goto out;
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}
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spin_lock_irqsave(&fe->card->dpcm_lock, flags);
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for_each_dpcm_be(fe, stream, dpcm) {
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struct snd_soc_pcm_runtime *be = dpcm->be;
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params = &dpcm->hw_params;
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offset += snprintf(buf + offset, size - offset,
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"- %s\n", be->dai_link->name);
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offset += snprintf(buf + offset, size - offset,
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" State: %s\n",
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dpcm_state_string(be->dpcm[stream].state));
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if ((be->dpcm[stream].state >= SND_SOC_DPCM_STATE_HW_PARAMS) &&
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(be->dpcm[stream].state <= SND_SOC_DPCM_STATE_STOP))
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offset += snprintf(buf + offset, size - offset,
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" Hardware Params: "
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"Format = %s, Channels = %d, Rate = %d\n",
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snd_pcm_format_name(params_format(params)),
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params_channels(params),
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params_rate(params));
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}
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spin_unlock_irqrestore(&fe->card->dpcm_lock, flags);
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out:
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return offset;
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}
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static ssize_t dpcm_state_read_file(struct file *file, char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct snd_soc_pcm_runtime *fe = file->private_data;
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ssize_t out_count = PAGE_SIZE, offset = 0, ret = 0;
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int stream;
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char *buf;
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buf = kmalloc(out_count, GFP_KERNEL);
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if (!buf)
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return -ENOMEM;
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for_each_pcm_streams(stream)
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if (snd_soc_dai_stream_valid(fe->cpu_dai, stream))
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offset += dpcm_show_state(fe, stream,
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buf + offset,
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out_count - offset);
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ret = simple_read_from_buffer(user_buf, count, ppos, buf, offset);
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kfree(buf);
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return ret;
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}
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static const struct file_operations dpcm_state_fops = {
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.open = simple_open,
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.read = dpcm_state_read_file,
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.llseek = default_llseek,
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};
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void soc_dpcm_debugfs_add(struct snd_soc_pcm_runtime *rtd)
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{
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if (!rtd->dai_link)
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return;
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if (!rtd->dai_link->dynamic)
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return;
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if (!rtd->card->debugfs_card_root)
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return;
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rtd->debugfs_dpcm_root = debugfs_create_dir(rtd->dai_link->name,
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rtd->card->debugfs_card_root);
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debugfs_create_file("state", 0444, rtd->debugfs_dpcm_root,
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rtd, &dpcm_state_fops);
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}
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#endif
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static int soc_rtd_startup(struct snd_soc_pcm_runtime *rtd,
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struct snd_pcm_substream *substream)
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{
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@ -2930,141 +3068,3 @@ int snd_soc_dpcm_can_be_params(struct snd_soc_pcm_runtime *fe,
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return snd_soc_dpcm_check_state(fe, be, stream, state, ARRAY_SIZE(state));
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}
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EXPORT_SYMBOL_GPL(snd_soc_dpcm_can_be_params);
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#ifdef CONFIG_DEBUG_FS
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static const char *dpcm_state_string(enum snd_soc_dpcm_state state)
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{
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switch (state) {
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case SND_SOC_DPCM_STATE_NEW:
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return "new";
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case SND_SOC_DPCM_STATE_OPEN:
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return "open";
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case SND_SOC_DPCM_STATE_HW_PARAMS:
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return "hw_params";
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case SND_SOC_DPCM_STATE_PREPARE:
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return "prepare";
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case SND_SOC_DPCM_STATE_START:
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return "start";
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case SND_SOC_DPCM_STATE_STOP:
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return "stop";
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case SND_SOC_DPCM_STATE_SUSPEND:
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return "suspend";
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case SND_SOC_DPCM_STATE_PAUSED:
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return "paused";
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case SND_SOC_DPCM_STATE_HW_FREE:
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return "hw_free";
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case SND_SOC_DPCM_STATE_CLOSE:
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return "close";
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}
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return "unknown";
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}
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static ssize_t dpcm_show_state(struct snd_soc_pcm_runtime *fe,
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int stream, char *buf, size_t size)
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{
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struct snd_pcm_hw_params *params = &fe->dpcm[stream].hw_params;
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struct snd_soc_dpcm *dpcm;
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ssize_t offset = 0;
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unsigned long flags;
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/* FE state */
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offset += snprintf(buf + offset, size - offset,
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"[%s - %s]\n", fe->dai_link->name,
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stream ? "Capture" : "Playback");
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offset += snprintf(buf + offset, size - offset, "State: %s\n",
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dpcm_state_string(fe->dpcm[stream].state));
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if ((fe->dpcm[stream].state >= SND_SOC_DPCM_STATE_HW_PARAMS) &&
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(fe->dpcm[stream].state <= SND_SOC_DPCM_STATE_STOP))
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offset += snprintf(buf + offset, size - offset,
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"Hardware Params: "
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"Format = %s, Channels = %d, Rate = %d\n",
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snd_pcm_format_name(params_format(params)),
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params_channels(params),
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params_rate(params));
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/* BEs state */
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offset += snprintf(buf + offset, size - offset, "Backends:\n");
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if (list_empty(&fe->dpcm[stream].be_clients)) {
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offset += snprintf(buf + offset, size - offset,
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" No active DSP links\n");
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goto out;
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}
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spin_lock_irqsave(&fe->card->dpcm_lock, flags);
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for_each_dpcm_be(fe, stream, dpcm) {
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struct snd_soc_pcm_runtime *be = dpcm->be;
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params = &dpcm->hw_params;
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offset += snprintf(buf + offset, size - offset,
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"- %s\n", be->dai_link->name);
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offset += snprintf(buf + offset, size - offset,
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" State: %s\n",
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dpcm_state_string(be->dpcm[stream].state));
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if ((be->dpcm[stream].state >= SND_SOC_DPCM_STATE_HW_PARAMS) &&
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(be->dpcm[stream].state <= SND_SOC_DPCM_STATE_STOP))
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offset += snprintf(buf + offset, size - offset,
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" Hardware Params: "
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"Format = %s, Channels = %d, Rate = %d\n",
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snd_pcm_format_name(params_format(params)),
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params_channels(params),
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params_rate(params));
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}
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spin_unlock_irqrestore(&fe->card->dpcm_lock, flags);
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out:
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return offset;
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}
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static ssize_t dpcm_state_read_file(struct file *file, char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct snd_soc_pcm_runtime *fe = file->private_data;
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ssize_t out_count = PAGE_SIZE, offset = 0, ret = 0;
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int stream;
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char *buf;
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buf = kmalloc(out_count, GFP_KERNEL);
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if (!buf)
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return -ENOMEM;
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for_each_pcm_streams(stream)
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if (snd_soc_dai_stream_valid(fe->cpu_dai, stream))
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offset += dpcm_show_state(fe, stream,
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buf + offset,
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out_count - offset);
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ret = simple_read_from_buffer(user_buf, count, ppos, buf, offset);
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kfree(buf);
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return ret;
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}
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static const struct file_operations dpcm_state_fops = {
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.open = simple_open,
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.read = dpcm_state_read_file,
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.llseek = default_llseek,
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};
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void soc_dpcm_debugfs_add(struct snd_soc_pcm_runtime *rtd)
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{
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if (!rtd->dai_link)
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return;
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if (!rtd->dai_link->dynamic)
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return;
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if (!rtd->card->debugfs_card_root)
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return;
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rtd->debugfs_dpcm_root = debugfs_create_dir(rtd->dai_link->name,
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rtd->card->debugfs_card_root);
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debugfs_create_file("state", 0444, rtd->debugfs_dpcm_root,
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rtd, &dpcm_state_fops);
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}
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#endif
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