X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fhameg-hmo%2Fapi.c;h=4b50b7aa6edb7a37dffaea3bdcac019de899def5;hb=709468baf7626b162b5559c101516289d9bbb258;hp=c293d2b44dd9e7024a06e8e9e7cee7d68d2b2d21;hpb=3be42bc22f8b36599a448273c12a76d3e0f7a940;p=libsigrok.git

diff --git a/src/hardware/hameg-hmo/api.c b/src/hardware/hameg-hmo/api.c
index c293d2b4..4b50b7aa 100644
--- a/src/hardware/hameg-hmo/api.c
+++ b/src/hardware/hameg-hmo/api.c
@@ -47,11 +47,6 @@ enum {
 	CG_DIGITAL,
 };
 
-static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx)
-{
-	return std_init(sr_ctx, di, LOG_PREFIX);
-}
-
 static int check_manufacturer(const char *manufacturer)
 {
 	unsigned int i;
@@ -117,11 +112,6 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
 	return sr_scpi_scan(di->context, options, hmo_probe_serial_device);
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-	return ((struct drv_context *)(di->context))->instances;
-}
-
 static void clear_helper(void *priv)
 {
 	struct dev_context *devc;
@@ -166,13 +156,6 @@ static int dev_close(struct sr_dev_inst *sdi)
 	return SR_OK;
 }
 
-static int cleanup(const struct sr_dev_driver *di)
-{
-	dev_clear(di);
-
-	return SR_OK;
-}
-
 static int check_channel_group(struct dev_context *devc,
 			     const struct sr_channel_group *cg)
 {
@@ -206,9 +189,11 @@ static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *s
 	const struct scope_config *model;
 	struct scope_state *state;
 
-	if (!sdi || !(devc = sdi->priv))
+	if (!sdi)
 		return SR_ERR_ARG;
 
+	devc = sdi->priv;
+
 	if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID)
 		return SR_ERR;
 
@@ -335,9 +320,11 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd
 	double tmp_d;
 	gboolean update_sample_rate;
 
-	if (!sdi || !(devc = sdi->priv))
+	if (!sdi)
 		return SR_ERR_ARG;
 
+	devc = sdi->priv;
+
 	if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID)
 		return SR_ERR;
 
@@ -710,7 +697,7 @@ static int hmo_setup_channels(const struct sr_dev_inst *sdi)
 	return SR_OK;
 }
 
-static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
+static int dev_acquisition_start(const struct sr_dev_inst *sdi)
 {
 	GSList *l;
 	gboolean digital_added;
@@ -757,21 +744,18 @@ 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);
+	std_session_send_df_header(sdi, LOG_PREFIX);
 
 	devc->current_channel = devc->enabled_channels;
 
 	return hmo_request_data(sdi);
 }
 
-static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
+static int dev_acquisition_stop(struct sr_dev_inst *sdi)
 {
 	struct dev_context *devc;
 	struct sr_scpi_dev_inst *scpi;
 
-	(void)cb_data;
-
 	std_session_send_df_end(sdi, LOG_PREFIX);
 
 	if (sdi->status != SR_ST_ACTIVE)
@@ -792,10 +776,10 @@ SR_PRIV struct sr_dev_driver hameg_hmo_driver_info = {
 	.name = "hameg-hmo",
 	.longname = "Hameg HMO",
 	.api_version = 1,
-	.init = init,
-	.cleanup = cleanup,
+	.init = std_init,
+	.cleanup = std_cleanup,
 	.scan = scan,
-	.dev_list = dev_list,
+	.dev_list = std_dev_list,
 	.dev_clear = dev_clear,
 	.config_get = config_get,
 	.config_set = config_set,