Re: [alsa-devel] [PATCH v4 07/24] ASoC: qdsp6: q6afe: Add q6afe driver

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On 3/10/2018 7:54 AM, srinivas.kandagatla@xxxxxxxxxx wrote:
From: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>

This patch adds support to Q6AFE (Audio Front End) module on Q6DSP.

[..]
+		if (res->status) {
+			dev_err(afe->dev, "cmd = 0x%x returned error = 0x%x\n",
+				res->opcode, res->status);
+		}
+		switch (res->opcode) {
+		case AFE_PORT_CMD_SET_PARAM_V2:
+		case AFE_PORT_CMD_DEVICE_STOP:
+		case AFE_PORT_CMD_DEVICE_START:

case AFE_SVC_CMD_SET_PARAM: needs to be added
+			port = afe_find_port(afe, data->token);
+			if (port) {
+				port->result = *res;
+				wake_up(&port->wait);
+			}
[..]
+
+static int q6afe_port_set_param_v2(struct q6afe_port *port, void *data,
+				   int param_id, int psize)
+{
+	struct apr_hdr *hdr;
+	struct afe_port_cmd_set_param_v2 *param;
+	struct afe_port_param_data_v2 *pdata;
+	struct q6afe *afe = port->afe;
+	u16 port_id = port->id;
+	int ret;
+
+	hdr = data;
+	param = data + sizeof(*hdr);
+	pdata = data + sizeof(*hdr) + sizeof(*param);
+
+	hdr->hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
+					      APR_HDR_LEN(APR_HDR_SIZE),
+					      APR_PKT_VER);
+	hdr->pkt_size = sizeof(*hdr) + sizeof(*param) +
+			sizeof(*pdata) + psize;
+	hdr->src_port = 0;
+	hdr->dest_port = 0;
+	hdr->token = port->token;
+	hdr->opcode = AFE_PORT_CMD_SET_PARAM_V2;
+	param->port_id = port_id;
+	param->payload_size = sizeof(*pdata) + psize;
+	param->payload_address_lsw = 0x00;
+	param->payload_address_msw = 0x00;
+	param->mem_map_handle = 0x00;
+	pdata->module_id = AFE_MODULE_AUDIO_DEV_INTERFACE;
+	pdata->param_id = param_id;
+	pdata->param_size = psize;
+
+	ret = afe_apr_send_pkt(afe, data, port);
+	if (ret)
+		dev_err(afe->dev, "AFE enable for port 0x%x failed %d\n",

we should add %s to distinguish different functions with similar error logs. Also, q6afe_port_set_param_v2() can be called for different purpose.  AFE enable for port 0x%x failed is suitable only for port start failure. Error message needs to be updated here.

+		       port_id, ret);
+
+
+	return ret;
+}
+
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