X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Fasix-sigma%2Fasix-sigma.c;h=e6a109c638b3faa81f7fe5d8b0ead3025fe94318;hb=15278f3e9cf4c4a4a6c331e042f9935709343c82;hp=e7d6f7833103bd608a4a29344bbec7ec2ad9f4ea;hpb=719c5a934c7705466a449854b876b9962eb4cb5e;p=libsigrok.git

diff --git a/hardware/asix-sigma/asix-sigma.c b/hardware/asix-sigma/asix-sigma.c
index e7d6f783..e6a109c6 100644
--- a/hardware/asix-sigma/asix-sigma.c
+++ b/hardware/asix-sigma/asix-sigma.c
@@ -400,7 +400,7 @@ static int hw_init(const char *deviceinfo)
 	struct sigma *sigma;
 
 	/* Avoid compiler warnings. */
-	deviceinfo = deviceinfo;
+	(void)deviceinfo;
 
 	if (!(sigma = g_try_malloc(sizeof(struct sigma)))) {
 		sr_err("sigma: %s: sigma malloc failed", __func__);
@@ -724,7 +724,7 @@ static void *hw_get_device_info(int device_index, int device_info_id)
 	void *info = NULL;
 
 	if (!(sdi = sr_get_device_instance(device_instances, device_index))) {
-		fprintf(stderr, "It's NULL.\n");
+		sr_err("It's NULL.\n");
 		return NULL;
 	}
 
@@ -997,8 +997,9 @@ static int receive_data(int fd, int revents, void *session_data)
 	uint64_t running_msec;
 	struct timeval tv;
 
-	fd = fd;
-	revents = revents;
+	/* Avoid compiler warnings. */
+	(void)fd;
+	(void)revents;
 
 	numchunks = (sigma->state.stoppos + 511) / 512;
 
@@ -1245,7 +1246,8 @@ static int hw_start_acquisition(int device_index, gpointer session_data)
 	struct triggerinout triggerinout_conf;
 	struct triggerlut lut;
 
-	session_data = session_data;
+	/* Avoid compiler warnings. */
+	(void)session_data;
 
 	if (!(sdi = sr_get_device_instance(device_instances, device_index)))
 		return SR_ERR;
@@ -1361,7 +1363,8 @@ static void hw_stop_acquisition(int device_index, gpointer session_data)
 
 	sigma = sdi->priv;
 
-	session_data = session_data;
+	/* Avoid compiler warnings. */
+	(void)session_data;
 
 	/* Stop acquisition. */
 	sigma_set_register(WRITE_MODE, 0x11, sigma);