diff options
Diffstat (limited to 'sound/soc/sof/ipc4-topology.c')
| -rw-r--r-- | sound/soc/sof/ipc4-topology.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/sound/soc/sof/ipc4-topology.c b/sound/soc/sof/ipc4-topology.c index 284efad30f1a..cea8beb5ceb5 100644 --- a/sound/soc/sof/ipc4-topology.c +++ b/sound/soc/sof/ipc4-topology.c @@ -2127,12 +2127,22 @@ static int sof_ipc4_control_load_volume(struct snd_sof_dev *sdev, struct snd_sof msg->primary |= SOF_IPC4_MSG_DIR(SOF_IPC4_MSG_REQUEST); msg->primary |= SOF_IPC4_MSG_TARGET(SOF_IPC4_MODULE_MSG); - msg->extension = SOF_IPC4_MOD_EXT_MSG_PARAM_ID(SOF_IPC4_GAIN_PARAM_ID); + /* volume controls with range 0-1 (off/on) are switch controls */ + if (scontrol->max == 1) + msg->extension = SOF_IPC4_MOD_EXT_MSG_PARAM_ID(SOF_IPC4_SWITCH_CONTROL_PARAM_ID); + else + msg->extension = SOF_IPC4_MOD_EXT_MSG_PARAM_ID(SOF_IPC4_GAIN_PARAM_ID); - /* set default volume values to 0dB in control */ for (i = 0; i < scontrol->num_channels; i++) { control_data->chanv[i].channel = i; - control_data->chanv[i].value = SOF_IPC4_VOL_ZERO_DB; + /* + * Default, initial values: + * - 0dB for volume controls + * - off (0) for switch controls - value already zero after + * memory allocation + */ + if (scontrol->max > 1) + control_data->chanv[i].value = SOF_IPC4_VOL_ZERO_DB; } return 0; |