Drop unneeded std_session_send_df_header() comments.

src/hardware/agilent-dmm/api.c

@@ -242,7 +242,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
 
 	devc->cb_data = cb_data;
 
-	/* Send header packet to the session bus. */
 	std_session_send_df_header(cb_data, LOG_PREFIX);
 
 	/* Poll every 100ms, or whenever some data comes in. */

src/hardware/appa-55ii/api.c

@@ -250,7 +250,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi,
 	devc->num_samples = 0;
 	devc->start_time = g_get_monotonic_time();
 
-	/* Send header packet to the session bus. */
 	std_session_send_df_header(cb_data, LOG_PREFIX);
 
 	/* Poll every 50ms, or whenever some data comes in. */

src/hardware/asix-sigma/api.c

@@ -400,7 +400,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
 
 	devc->cb_data = cb_data;
 
-	/* Send header packet to the session bus. */
 	std_session_send_df_header(sdi, LOG_PREFIX);
 
 	/* Add capture source. */

src/hardware/baylibre-acme/api.c

@@ -392,7 +392,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
 	sr_session_source_add_channel(sdi->session, devc->channel,
 		G_IO_IN | G_IO_ERR, 1000, bl_acme_receive_data, (void *)sdi);
 
-	/* Send header packet to the session bus. */
 	std_session_send_df_header(sdi, LOG_PREFIX);
 	devc->start_time = g_get_monotonic_time();
 

src/hardware/brymen-bm86x/api.c

@@ -262,7 +262,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi,
 	devc = sdi->priv;
 	devc->start_time = g_get_monotonic_time();
 
-	/* Send header packet to the session bus. */
 	std_session_send_df_header(sdi, LOG_PREFIX);
 
 	sr_session_source_add(sdi->session, -1, 0, 10,

src/hardware/brymen-dmm/api.c

@@ -217,7 +217,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
 	devc->num_samples = 0;
 	devc->starttime = g_get_monotonic_time();
 
-	/* Send header packet to the session bus. */
 	std_session_send_df_header(cb_data, LOG_PREFIX);
 
 	/* Poll every 50ms, or whenever some data comes in. */

src/hardware/cem-dt-885x/api.c

@@ -396,7 +396,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
 	devc->num_samples = 0;
 	devc->buf_len = 0;
 
-	/* Send header packet to the session bus. */
 	std_session_send_df_header(cb_data, LOG_PREFIX);
 
 	/* Poll every 100ms, or whenever some data comes in. */

src/hardware/center-3xx/api.c

@@ -218,7 +218,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi,
 	devc->num_samples = 0;
 	devc->starttime = g_get_monotonic_time();
 
-	/* Send header packet to the session bus. */
 	std_session_send_df_header(cb_data, LOG_PREFIX);
 
 	/* Poll every 500ms, or whenever some data comes in. */

src/hardware/chronovu-la/api.c

@@ -567,7 +567,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
 
 	devc->cb_data = cb_data;
 
-	/* Send header packet to the session bus. */
 	std_session_send_df_header(sdi, LOG_PREFIX);
 
 	/* Time when we should be done (for detecting trigger timeouts). */

src/hardware/colead-slm/api.c

@@ -186,7 +186,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
 
 	devc->cb_data = cb_data;
 
-	/* Send header packet to the session bus. */
 	std_session_send_df_header(cb_data, LOG_PREFIX);
 
 	/* Poll every 150ms, or whenever some data comes in. */

src/hardware/demo/demo.c

@@ -868,7 +868,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
 	sr_session_source_add(sdi->session, -1, 0, 100,
 			prepare_data, (struct sr_dev_inst *)sdi);
 
-	/* Send header packet to the session bus. */
 	std_session_send_df_header(sdi, LOG_PREFIX);
 
 	/* We use this timestamp to decide how many more samples to send. */

src/hardware/fluke-dmm/api.c

@@ -266,7 +266,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
 
 	devc->cb_data = cb_data;
 
-	/* Send header packet to the session bus. */
 	std_session_send_df_header(cb_data, LOG_PREFIX);
 
 	/* Poll every 100ms, or whenever some data comes in. */

src/hardware/ftdi-la/api.c

@@ -479,7 +479,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
 	devc->samples_sent = 0;
 	devc->bytes_received = 0;
 
-	/* Send header packet to the session bus. */
 	std_session_send_df_header(sdi, LOG_PREFIX);
 
 	/* Hook up a dummy handler to receive data from the device. */

src/hardware/fx2lafw/api.c

@@ -739,7 +739,6 @@ static int start_transfers(const struct sr_dev_inst *sdi)
 	else
 		devc->send_data_proc = la_send_data_proc;
 
-	/* Send header packet to the session bus. */
 	std_session_send_df_header(sdi, LOG_PREFIX);
 
 	return SR_OK;

src/hardware/gmc-mh-1x-2x/api.c

@@ -476,7 +476,6 @@ static int dev_acquisition_start_1x_2x_rs232(const struct sr_dev_inst *sdi,
 	devc->settings_ok = FALSE;
 	devc->buflen = 0;
 
-	/* Send header packet to the session bus. */
 	std_session_send_df_header(cb_data, LOG_PREFIX);
 
 	/* Start timer, if required. */
@@ -507,7 +506,6 @@ static int dev_acquisition_start_2x_bd232(const struct sr_dev_inst *sdi,
 	devc->settings_ok = FALSE;
 	devc->buflen = 0;
 
-	/* Send header packet to the session bus. */
 	std_session_send_df_header(cb_data, LOG_PREFIX);
 
 	/* Start timer, if required. */

src/hardware/hameg-hmo/api.c

@@ -757,7 +757,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
 	sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 50,
 			hmo_receive_data, (void *)sdi);
 
-	/* Send header packet to the session bus. */
 	std_session_send_df_header(cb_data, LOG_PREFIX);
 
 	devc->current_channel = devc->enabled_channels;

src/hardware/hantek-6xxx/api.c

@@ -790,7 +790,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
 	if (hantek_6xxx_init(sdi) != SR_OK)
 		return SR_ERR;
 
-	/* Send header packet to the session bus. */
 	std_session_send_df_header(cb_data, LOG_PREFIX);
 
 	devc->samp_received = 0;

src/hardware/hantek-dso/api.c

@@ -993,7 +993,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
 	devc->dev_state = CAPTURE;
 	usb_source_add(sdi->session, drvc->sr_ctx, TICK, handle_event, (void *)sdi);
 
-	/* Send header packet to the session bus. */
 	std_session_send_df_header(cb_data, LOG_PREFIX);
 
 	return SR_OK;

src/hardware/ikalogic-scanalogic2/api.c

@@ -466,7 +466,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
 
 	sr_dbg("Acquisition started successfully.");
 
-	/* Send header packet to the session bus. */
 	std_session_send_df_header(cb_data, LOG_PREFIX);
 
 	devc->next_state = STATE_SAMPLE;

src/hardware/ikalogic-scanaplus/api.c

@@ -379,7 +379,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
 	if ((ret = scanaplus_start_acquisition(devc)) < 0)
 		return ret;
 
-	/* Send header packet to the session bus. */
 	std_session_send_df_header(sdi, LOG_PREFIX);
 
 	/* Hook up a dummy handler to receive data from the device. */

src/hardware/kecheng-kc-330b/api.c

@@ -438,7 +438,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi,
 	devc->cb_data = cb_data;
 	devc->num_samples = 0;
 
-	/* Send header packet to the session bus. */
 	std_session_send_df_header(cb_data, LOG_PREFIX);
 
 	if (devc->data_source == DATA_SOURCE_LIVE) {

src/hardware/kern-scale/api.c

@@ -206,7 +206,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
 	devc->num_samples = 0;
 	devc->starttime = g_get_monotonic_time();
 
-	/* Send header packet to the session bus. */
 	std_session_send_df_header(cb_data, LOG_PREFIX);
 
 	/* Poll every 50ms, or whenever some data comes in. */

src/hardware/korad-kaxxxxp/api.c

@@ -392,7 +392,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
 	devc = sdi->priv;
 	devc->cb_data = cb_data;
 
-	/* Send header packet to the session bus. */
 	std_session_send_df_header(cb_data, LOG_PREFIX);
 
 	devc->starttime = g_get_monotonic_time();

src/hardware/lascar-el-usb/api.c

@@ -356,7 +356,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
 
 	sr_dbg("Starting log retrieval.");
 
-	/* Send header packet to the session bus. */
 	std_session_send_df_header(cb_data, LOG_PREFIX);
 
 	interval = (devc->config[0x1c] | (devc->config[0x1d] << 8)) * 1000;

src/hardware/link-mso19/api.c

@@ -446,7 +446,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
 	/* Reset trigger state. */
 	devc->trigger_state = 0x00;
 
-	/* Send header packet to the session bus. */
 	std_session_send_df_header(cb_data, LOG_PREFIX);
 
 	/* Our first channel is analog, the other 8 are of type 'logic'. */

src/hardware/manson-hcs-3xxx/api.c

@@ -398,7 +398,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
 	devc = sdi->priv;
 	devc->cb_data = cb_data;
 
-	/* Send header packet to the session bus. */
 	std_session_send_df_header(cb_data, LOG_PREFIX);
 
 	devc->starttime = g_get_monotonic_time();

src/hardware/maynuo-m97/api.c

@@ -472,7 +472,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi,
 			maynuo_m97_receive_data, (void *)sdi)) != SR_OK)
 		return ret;
 
-	/* Send header packet to the session bus. */
 	std_session_send_df_header(sdi, LOG_PREFIX);
 
 	devc->num_samples = 0;

src/hardware/mic-985xx/api.c

@@ -226,7 +226,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi,
 	devc->num_samples = 0;
 	devc->starttime = g_get_monotonic_time();
 
-	/* Send header packet to the session bus. */
 	std_session_send_df_header(cb_data, LOG_PREFIX);
 
 	/* Poll every 100ms, or whenever some data comes in. */

src/hardware/norma-dmm/api.c

@@ -262,7 +262,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
 
 	devc->cb_data = cb_data;
 
-	/* Send header packet to the session bus. */
 	std_session_send_df_header(cb_data, LOG_PREFIX);
 
 	/* Start timer, if required. */

src/hardware/openbench-logic-sniffer/api.c

@@ -570,7 +570,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi,
 	devc->cnt_bytes = devc->cnt_samples = devc->cnt_samples_rle = 0;
 	memset(devc->sample, 0, 4);
 
-	/* Send header packet to the session bus. */
 	std_session_send_df_header(cb_data, LOG_PREFIX);
 
 	/* If the device stops sending for longer than it takes to send a byte,

src/hardware/pipistrello-ols/api.c

@@ -689,7 +689,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi,
 	devc->cnt_bytes = devc->cnt_samples = devc->cnt_samples_rle = 0;
 	memset(devc->sample, 0, 4);
 
-	/* Send header packet to the session bus. */
 	std_session_send_df_header(cb_data, LOG_PREFIX);
 
 	/* Hook up a dummy handler to receive data from the device. */

src/hardware/rigol-ds/api.c

@@ -1031,7 +1031,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
 	sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 50,
 			rigol_ds_receive, (void *)sdi);
 
-	/* Send header packet to the session bus. */
 	std_session_send_df_header(cb_data, LOG_PREFIX);
 
 	devc->channel_entry = devc->enabled_channels;

src/hardware/saleae-logic16/api.c

@@ -789,7 +789,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
 
 	usb_source_add(sdi->session, devc->ctx, timeout, receive_data, (void *)sdi);
 
-	/* Send header packet to the session bus. */
 	std_session_send_df_header(cb_data, LOG_PREFIX);
 
 	if ((ret = logic16_start_acquisition(sdi)) != SR_OK) {

src/hardware/serial-dmm/api.c

@@ -234,7 +234,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
 	devc->num_samples = 0;
 	devc->starttime = g_get_monotonic_time();
 
-	/* Send header packet to the session bus. */
 	std_session_send_df_header(cb_data, LOG_PREFIX);
 
 	/* Poll every 50ms, or whenever some data comes in. */

src/hardware/sysclk-lwla/protocol.c

@@ -573,10 +573,9 @@ SR_PRIV int lwla_start_acquisition(const struct sr_dev_inst *sdi)
 	}
 	ret = submit_request(sdi, STATE_START_CAPTURE);
 
-	if (ret == SR_OK) {
-		/* Send header packet to the session bus. */
+	if (ret == SR_OK)
 		ret = std_session_send_df_header(sdi, LOG_PREFIX);
-	}
+
 	if (ret != SR_OK) {
 		usb_source_remove(sdi->session, drvc->sr_ctx);
 		clear_acquisition_state(sdi);

src/hardware/teleinfo/api.c

@@ -217,7 +217,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
 	devc->num_samples = 0;
 	devc->start_time = g_get_monotonic_time();
 
-	/* Send header packet to the session bus. */
 	std_session_send_df_header(cb_data, LOG_PREFIX);
 
 	/* Poll every 50ms, or whenever some data comes in. */

src/hardware/testo/api.c

@@ -470,7 +470,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
 	devc->num_samples = 0;
 	devc->reply_size = 0;
 
-	/* Send header packet to the session bus. */
 	std_session_send_df_header(cb_data, LOG_PREFIX);
 
 	usb_source_add(sdi->session, drvc->sr_ctx, 100,

src/hardware/tondaj-sl-814/api.c

@@ -173,7 +173,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi,
 	devc = sdi->priv;
 	devc->cb_data = cb_data;
 
-	/* Send header packet to the session bus. */
 	std_session_send_df_header(cb_data, LOG_PREFIX);
 
 	/* Poll every 500ms, or whenever some data comes in. */

src/hardware/uni-t-dmm/api.c

@@ -199,7 +199,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
 
 	devc->starttime = g_get_monotonic_time();
 
-	/* Send header packet to the session bus. */
 	std_session_send_df_header(sdi, LOG_PREFIX);
 
 	sr_session_source_add(sdi->session, -1, 0, 10 /* poll_timeout */,

src/hardware/uni-t-ut32x/api.c

@@ -303,7 +303,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi,
 		return SR_ERR;
 	}
 
-	/* Send header packet to the session bus. */
 	std_session_send_df_header(cb_data, LOG_PREFIX);
 
 	if (!(devc->xfer = libusb_alloc_transfer(0)))

src/hardware/victor-dmm/api.c

@@ -381,7 +381,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
 	usb = sdi->conn;
 	devc->cb_data = cb_data;
 
-	/* Send header packet to the session bus. */
 	std_session_send_df_header(cb_data, LOG_PREFIX);
 
 	usb_source_add(sdi->session, drvc->sr_ctx, 100,

src/hardware/zeroplus-logic-cube/api.c

@@ -578,7 +578,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi,
 	sr_info("Ramsize trigger    = 0x%x.", ramsize_trigger);
 	sr_info("Memory size        = 0x%x.", memory_size);
 
-	/* Send header packet to the session bus. */
 	std_session_send_df_header(cb_data, LOG_PREFIX);
 
 	/* Check for empty capture */

src/lcr/es51919.c

@@ -927,7 +927,6 @@ SR_PRIV int es51919_serial_acquisition_start(const struct sr_dev_inst *sdi,
 	dev_limit_counter_start(&devc->frame_count);
 	dev_time_counter_start(&devc->time_count);
 
-	/* Send header packet to the session bus. */
 	std_session_send_df_header(cb_data, LOG_PREFIX);
 
 	/* Poll every 50ms, or whenever some data comes in. */

src/session_driver.c

@@ -367,7 +367,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
 		return SR_ERR;
 	}
 
-	/* Send header packet to the session bus. */
 	std_session_send_df_header(sdi, LOG_PREFIX);
 
 	/* freewheeling source */