X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Flink-mso19%2Fapi.c;h=dd3ff3c80c8923195b18f253f16f4b560f0f61cd;hb=395c1850b797384cd7e1a2e194c001461c8460f7;hp=ae1a7f6861d2af2452f450ebee49a9ef5ec7eaf7;hpb=463160cbca37367ef94dfead0c64531d82b83ab8;p=libsigrok.git

diff --git a/src/hardware/link-mso19/api.c b/src/hardware/link-mso19/api.c
index ae1a7f68..dd3ff3c8 100644
--- a/src/hardware/link-mso19/api.c
+++ b/src/hardware/link-mso19/api.c
@@ -53,6 +53,10 @@ static const uint64_t samplerates[] = {
 	SR_HZ(100),
 };
 
+static const char *trigger_slopes[2] = {
+	"r", "f",
+};
+
 static GSList *scan(struct sr_dev_driver *di, GSList *options)
 {
 	int i;
@@ -202,8 +206,8 @@ static int dev_open(struct sr_dev_inst *sdi)
 	return SR_OK;
 }
 
-static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi,
-		const struct sr_channel_group *cg)
+static int config_get(int key, GVariant **data,
+	const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
 {
 	struct dev_context *devc;
 
@@ -225,10 +229,9 @@ static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi,
 	return SR_OK;
 }
 
-static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi,
-		const struct sr_channel_group *cg)
+static int config_set(int key, GVariant *data,
+	const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
 {
-	int ret;
 	struct dev_context *devc;
 	uint64_t num_samples;
 	const char *slope;
@@ -239,7 +242,6 @@ static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi,
 
 	devc = sdi->priv;
 
-	ret = SR_OK;
 	switch (key) {
 	case SR_CONF_SAMPLERATE:
 		// FIXME
@@ -248,30 +250,22 @@ static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi,
 		num_samples = g_variant_get_uint64(data);
 		if (num_samples != 1024) {
 			sr_err("Only 1024 samples are supported.");
-			ret = SR_ERR_ARG;
-			break;
-		};
+			return SR_ERR_ARG;
+		}
 		devc->limit_samples = num_samples;
 		break;
 	case SR_CONF_CAPTURE_RATIO:
 		break;
 	case SR_CONF_TRIGGER_SLOPE:
-		slope = g_variant_get_string(data, NULL);
-
-		if (!slope || !(slope[0] == 'f' || slope[0] == 'r'))
-			sr_err("Invalid trigger slope");
-			ret = SR_ERR_ARG;
-			break;
-		}
-		devc->trigger_slope = (slope[0] == 'r')
-			? SLOPE_POSITIVE : SLOPE_NEGATIVE;
+		if ((idx = std_str_idx(data, ARRAY_AND_SIZE(trigger_slopes))) < 0)
+			return SR_ERR_ARG;
+		devc->trigger_slope = idx;
 		break;
 	case SR_CONF_HORIZ_TRIGGERPOS:
 		pos = g_variant_get_double(data);
 		if (pos < 0 || pos > 255) {
 			sr_err("Trigger position (%f) should be between 0 and 255.", pos);
-			ret = SR_ERR_ARG;
-			break;
+			return SR_ERR_ARG;
 		}
 		trigger_pos = (int)pos;
 		devc->trigger_holdoff[0] = trigger_pos & 0xff;
@@ -279,20 +273,20 @@ static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi,
 	case SR_CONF_RLE:
 		break;
 	default:
-		ret = SR_ERR_NA;
+		return SR_ERR_NA;
 	}
 
-	return ret;
+	return SR_OK;
 }
 
-static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi,
-		const struct sr_channel_group *cg)
+static int config_list(int key, GVariant **data,
+	const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
 {
 	switch (key) {
 	case SR_CONF_DEVICE_OPTIONS:
-		return STD_CONFIG_LIST(key, data, sdi, cg, NULL, drvopts, devopts);
+		return STD_CONFIG_LIST(key, data, sdi, cg, NO_OPTS, drvopts, devopts);
 	case SR_CONF_SAMPLERATE:
-		*data = std_gvar_samplerates_steps(samplerates, ARRAY_SIZE(samplerates));
+		*data = std_gvar_samplerates_steps(ARRAY_AND_SIZE(samplerates));
 		break;
 	case SR_CONF_TRIGGER_TYPE:
 		*data = g_variant_new_string(TRIGGER_TYPE);