[PATCH 5/8] ASoC: SOF: sof-audio: Drop the `cmd` member from struct snd_sof_control

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From: Peter Ujfalusi <peter.ujfalusi@xxxxxxxxxxxxxxx>

There is no need to use two variables to store and check the same
information, the scontrol->cmd is the same as scontrol->control_data->cmd.

Drop the former one and when it is needed, access the cmd from the
control_data.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxxxxxxxxxxx>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
Reviewed-by: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx>
Reviewed-by: Kai Vehmanen <kai.vehmanen@xxxxxxxxxxxxxxx>
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx>
---
 sound/soc/sof/control.c   |  6 +++---
 sound/soc/sof/sof-audio.c |  2 +-
 sound/soc/sof/sof-audio.h |  1 -
 sound/soc/sof/topology.c  | 14 +++++---------
 4 files changed, 9 insertions(+), 14 deletions(-)

diff --git a/sound/soc/sof/control.c b/sound/soc/sof/control.c
index 23a916ea93f8..9297b29d65cd 100644
--- a/sound/soc/sof/control.c
+++ b/sound/soc/sof/control.c
@@ -372,7 +372,7 @@ int snd_sof_bytes_ext_put(struct snd_kcontrol *kcontrol,
 	}
 
 	/* Check that header id matches the command */
-	if (header.numid != scontrol->cmd) {
+	if (header.numid != cdata->cmd) {
 		dev_err_ratelimited(scomp->dev,
 				    "error: incorrect numid %d\n",
 				    header.numid);
@@ -462,7 +462,7 @@ int snd_sof_bytes_ext_volatile_get(struct snd_kcontrol *kcontrol, unsigned int _
 		goto out;
 	}
 
-	header.numid = scontrol->cmd;
+	header.numid = cdata->cmd;
 	header.length = data_size;
 	if (copy_to_user(tlvd, &header, sizeof(struct snd_ctl_tlv))) {
 		ret = -EFAULT;
@@ -522,7 +522,7 @@ int snd_sof_bytes_ext_get(struct snd_kcontrol *kcontrol,
 	if (data_size > size)
 		return -ENOSPC;
 
-	header.numid = scontrol->cmd;
+	header.numid = cdata->cmd;
 	header.length = data_size;
 	if (copy_to_user(tlvd, &header, sizeof(struct snd_ctl_tlv)))
 		return -EFAULT;
diff --git a/sound/soc/sof/sof-audio.c b/sound/soc/sof/sof-audio.c
index 269eca26eab9..4530c6ed34e0 100644
--- a/sound/soc/sof/sof-audio.c
+++ b/sound/soc/sof/sof-audio.c
@@ -21,7 +21,7 @@ static int sof_kcontrol_setup(struct snd_sof_dev *sdev, struct snd_sof_control *
 	scontrol->readback_offset = 0;
 
 	/* notify DSP of kcontrol values */
-	switch (scontrol->cmd) {
+	switch (scontrol->control_data->cmd) {
 	case SOF_CTRL_CMD_VOLUME:
 	case SOF_CTRL_CMD_ENUM:
 	case SOF_CTRL_CMD_SWITCH:
diff --git a/sound/soc/sof/sof-audio.h b/sound/soc/sof/sof-audio.h
index 5bcc842e4792..84a8ebe3b1c3 100644
--- a/sound/soc/sof/sof-audio.h
+++ b/sound/soc/sof/sof-audio.h
@@ -74,7 +74,6 @@ struct snd_sof_control {
 	u32 readback_offset; /* offset to mmapped data if used */
 	struct sof_ipc_ctrl_data *control_data;
 	u32 size;	/* cdata size */
-	enum sof_ipc_ctrl_cmd cmd;
 	u32 *volume_table; /* volume table computed from tlv data*/
 
 	struct list_head list;	/* list in sdev control list */
diff --git a/sound/soc/sof/topology.c b/sound/soc/sof/topology.c
index c440e1c53ca5..ec59baf32699 100644
--- a/sound/soc/sof/topology.c
+++ b/sound/soc/sof/topology.c
@@ -1090,13 +1090,11 @@ static int sof_control_load_volume(struct snd_soc_component *scomp,
 
 	/* set cmd for mixer control */
 	if (le32_to_cpu(mc->max) == 1) {
-		scontrol->cmd = SOF_CTRL_CMD_SWITCH;
-		scontrol->control_data->cmd = scontrol->cmd;
+		scontrol->control_data->cmd = SOF_CTRL_CMD_SWITCH;
 		goto skip;
 	}
 
-	scontrol->cmd = SOF_CTRL_CMD_VOLUME;
-	scontrol->control_data->cmd = scontrol->cmd;
+	scontrol->control_data->cmd = SOF_CTRL_CMD_VOLUME;
 
 	/* extract tlv data */
 	if (!kc->tlv.p || get_tlv_data(kc->tlv.p, tlv) < 0) {
@@ -1167,8 +1165,7 @@ static int sof_control_load_enum(struct snd_soc_component *scomp,
 	scontrol->comp_id = sdev->next_comp_id;
 	scontrol->num_channels = le32_to_cpu(ec->num_channels);
 	scontrol->control_data->index = kc->index;
-	scontrol->cmd = SOF_CTRL_CMD_ENUM;
-	scontrol->control_data->cmd = scontrol->cmd;
+	scontrol->control_data->cmd = SOF_CTRL_CMD_ENUM;
 
 	dev_dbg(scomp->dev, "tplg: load kcontrol index %d chans %d comp_id %d\n",
 		scontrol->comp_id, scontrol->num_channels, scontrol->comp_id);
@@ -1214,8 +1211,7 @@ static int sof_control_load_bytes(struct snd_soc_component *scomp,
 	}
 
 	scontrol->comp_id = sdev->next_comp_id;
-	scontrol->cmd = SOF_CTRL_CMD_BINARY;
-	scontrol->control_data->cmd = scontrol->cmd;
+	scontrol->control_data->cmd = SOF_CTRL_CMD_BINARY;
 	scontrol->control_data->index = kc->index;
 
 	dev_dbg(scomp->dev, "tplg: load kcontrol index %d chans %d\n",
@@ -2080,7 +2076,7 @@ static int sof_get_control_data(struct snd_soc_component *scomp,
 		*size += wdata[i].pdata->size;
 
 		/* get data type */
-		switch (wdata[i].control->cmd) {
+		switch (wdata[i].control->control_data->cmd) {
 		case SOF_CTRL_CMD_VOLUME:
 		case SOF_CTRL_CMD_ENUM:
 		case SOF_CTRL_CMD_SWITCH:
-- 
2.25.1




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