X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fdemo%2Fdemo.c;h=288abef2b58be5885b17204c9f87297e9bc99f7f;hb=563ba4a5c22475357604bffd1e391a4c53c55e50;hp=fec9065a986504af681c660f4074c8196e5d9c17;hpb=43376f3324cddd257a0260b06d9db8180c35fdf3;p=libsigrok.git

diff --git a/src/hardware/demo/demo.c b/src/hardware/demo/demo.c
index fec9065a..288abef2 100644
--- a/src/hardware/demo/demo.c
+++ b/src/hardware/demo/demo.c
@@ -252,7 +252,6 @@ static void generate_analog_pattern(struct analog_gen *ag, uint64_t sample_rate)
 
 static GSList *scan(struct sr_dev_driver *di, GSList *options)
 {
-	struct drv_context *drvc;
 	struct dev_context *devc;
 	struct sr_dev_inst *sdi;
 	struct sr_channel *ch;
@@ -263,8 +262,6 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
 	int num_logic_channels, num_analog_channels, pattern, i;
 	char channel_name[16];
 
-	drvc = di->context;
-
 	num_logic_channels = DEFAULT_NUM_LOGIC_CHANNELS;
 	num_analog_channels = DEFAULT_NUM_ANALOG_CHANNELS;
 	for (l = options; l; l = l->next) {
@@ -853,7 +850,7 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi)
 	sr_session_source_add(sdi->session, -1, 0, 100,
 			prepare_data, (struct sr_dev_inst *)sdi);
 
-	std_session_send_df_header(sdi, LOG_PREFIX);
+	std_session_send_df_header(sdi);
 
 	/* We use this timestamp to decide how many more samples to send. */
 	devc->start_us = g_get_monotonic_time();
@@ -866,7 +863,7 @@ static int dev_acquisition_stop(struct sr_dev_inst *sdi)
 {
 	sr_dbg("Stopping acquisition.");
 	sr_session_source_remove(sdi->session, -1);
-	std_session_send_df_end(sdi, LOG_PREFIX);
+	std_session_send_df_end(sdi);
 
 	return SR_OK;
 }