ASoC: SOF: ipc4-topology: Helper to find an swidget by module/instance id

The sof_ipc4_find_swidget_by_ids() can be used to find the swidget of a
module instance.
The lookup parameters are the module_id and the instance_id.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20231124150853.18648-2-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/sof/ipc4-priv.h b/sound/soc/sof/ipc4-priv.h
index 9e69b7c2911709c7a2f4c6415d51fd6d274bd47e..fea93b693f4d99d2442d3742673a42f941026288 100644 (file)
--- a/sound/soc/sof/ipc4-priv.h
+++ b/sound/soc/sof/ipc4-priv.h
@@ -115,6 +115,9 @@ int sof_ipc4_reload_fw_libraries(struct snd_sof_dev *sdev);
 struct sof_ipc4_fw_module *sof_ipc4_find_module_by_uuid(struct snd_sof_dev *sdev,
                                                        const guid_t *uuid);
 
+struct snd_sof_widget *sof_ipc4_find_swidget_by_ids(struct snd_sof_dev *sdev,
+                                                   u32 module_id, int instance_id);
+
 struct sof_ipc4_base_module_cfg;
 void sof_ipc4_update_cpc_from_manifest(struct snd_sof_dev *sdev,
                                       struct sof_ipc4_fw_module *fw_module,

diff --git a/sound/soc/sof/ipc4-topology.c b/sound/soc/sof/ipc4-topology.c
index b24a64377f687463c74da373257759f0cbce1665..8ab9c42069ee9708d0fb2ecdfa569745cc4ef1a6 100644 (file)
--- a/sound/soc/sof/ipc4-topology.c
+++ b/sound/soc/sof/ipc4-topology.c
@@ -167,6 +167,26 @@ static const struct sof_token_info ipc4_token_list[SOF_TOKEN_COUNT] = {
        [SOF_SRC_TOKENS] = {"SRC tokens", src_tokens, ARRAY_SIZE(src_tokens)},
 };
 
+struct snd_sof_widget *sof_ipc4_find_swidget_by_ids(struct snd_sof_dev *sdev,
+                                                   u32 module_id, int instance_id)
+{
+       struct snd_sof_widget *swidget;
+
+       list_for_each_entry(swidget, &sdev->widget_list, list) {
+               struct sof_ipc4_fw_module *fw_module = swidget->module_info;
+
+               /* Only active module instances have valid instance_id */
+               if (!swidget->use_count)
+                       continue;
+
+               if (fw_module && fw_module->man4_module_entry.id == module_id &&
+                   swidget->instance_id == instance_id)
+                       return swidget;
+       }
+
+       return NULL;
+}
+
 static void sof_ipc4_dbg_audio_format(struct device *dev, struct sof_ipc4_pin_format *pin_fmt,
                                      int num_formats)
 {