drivers: Random SR_CONF_LIMIT_* cleanups.

Drop unneeded variables and checks (performed by the wrappers already).

src/hardware/asix-sigma/api.c

@@ -206,11 +206,7 @@ static int config_set(uint32_t key, GVariant *data,
 		ret = sigma_set_samplerate(sdi, g_variant_get_uint64(data));
 		break;
 	case SR_CONF_LIMIT_MSEC:
-		tmp = g_variant_get_uint64(data);
+		devc->limit_msec = g_variant_get_uint64(data);
-		if (tmp > 0)
-			devc->limit_msec = g_variant_get_uint64(data);
-		else
-			ret = SR_ERR;
 		break;
 	case SR_CONF_LIMIT_SAMPLES:
 		tmp = g_variant_get_uint64(data);

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

@@ -197,7 +197,6 @@ static int config_set(uint32_t key, GVariant *data,
 	const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
 {
 	struct dev_context *devc;
-	uint64_t tmp_u64;
 	int tmp, ret, idx;
 
 	(void)cg;
@@ -207,9 +206,7 @@ static int config_set(uint32_t key, GVariant *data,
 	ret = SR_OK;
 	switch (key) {
 	case SR_CONF_LIMIT_SAMPLES:
-		tmp_u64 = g_variant_get_uint64(data);
+		devc->limit_samples = g_variant_get_uint64(data);
-		devc->limit_samples = tmp_u64;
-		ret = SR_OK;
 		break;
 	case SR_CONF_DATALOG:
 		ret = cem_dt_885x_recording_set(sdi, g_variant_get_boolean(data));

src/hardware/chronovu-la/api.c

@@ -325,13 +325,9 @@ static int config_set(uint32_t key, GVariant *data,
 			return SR_ERR;
 		break;
 	case SR_CONF_LIMIT_MSEC:
-		if (g_variant_get_uint64(data) == 0)
-			return SR_ERR_ARG;
 		devc->limit_msec = g_variant_get_uint64(data);
 		break;
 	case SR_CONF_LIMIT_SAMPLES:
-		if (g_variant_get_uint64(data) == 0)
-			return SR_ERR_ARG;
 		devc->limit_samples = g_variant_get_uint64(data);
 		break;
 	default:

src/hardware/ftdi-la/api.c

@@ -348,8 +348,6 @@ static int config_set(uint32_t key, GVariant *data,
 		/* TODO: Implement. */
 		return SR_ERR_NA;
 	case SR_CONF_LIMIT_SAMPLES:
-		if (g_variant_get_uint64(data) == 0)
-			return SR_ERR_ARG;
 		devc->limit_samples = g_variant_get_uint64(data);
 		break;
 	case SR_CONF_SAMPLERATE:

src/hardware/ikalogic-scanaplus/api.c

@@ -236,13 +236,9 @@ static int config_set(uint32_t key, GVariant *data,
 		/* Nothing to do, the ScanaPLUS samplerate is always 100MHz. */
 		break;
 	case SR_CONF_LIMIT_MSEC:
-		if (g_variant_get_uint64(data) == 0)
-			return SR_ERR_ARG;
 		devc->limit_msec = g_variant_get_uint64(data);
 		break;
 	case SR_CONF_LIMIT_SAMPLES:
-		if (g_variant_get_uint64(data) == 0)
-			return SR_ERR_ARG;
 		devc->limit_samples = g_variant_get_uint64(data);
 		break;
 	default:

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

@@ -255,8 +255,6 @@ static int config_set(uint32_t key, GVariant *data,
 	switch (key) {
 	case SR_CONF_LIMIT_SAMPLES:
 		devc->limit_samples = g_variant_get_uint64(data);
-		sr_dbg("Setting sample limit to %" PRIu64 ".",
-		       devc->limit_samples);
 		break;
 	case SR_CONF_SAMPLE_INTERVAL:
 		if ((idx = std_u64_tuple_idx(data, ARRAY_AND_SIZE(kecheng_kc_330b_sample_intervals))) < 0)

src/hardware/pce-322a/api.c

@@ -161,7 +161,6 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd
 	const struct sr_channel_group *cg)
 {
 	struct dev_context *devc;
-	uint64_t tmp_u64;
 	int ret, idx;
 
 	(void)cg;
@@ -171,9 +170,7 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd
 	ret = SR_OK;
 	switch (key) {
 	case SR_CONF_LIMIT_SAMPLES:
-		tmp_u64 = g_variant_get_uint64(data);
+		devc->limit_samples = g_variant_get_uint64(data);
-		devc->limit_samples = tmp_u64;
-		ret = SR_OK;
 		break;
 	case SR_CONF_SPL_WEIGHT_FREQ:
 		if ((idx = std_str_idx(data, ARRAY_AND_SIZE(weight_freq))) < 0)

src/hwdriver.c

@@ -666,9 +666,9 @@ static int check_key(const struct sr_dev_driver *driver,
 	const char *opstr;
 
 	if (sdi && cg)
-		suffix = " for this device and channel group";
+		suffix = " for this device instance and channel group";
 	else if (sdi)
-		suffix = " for this device";
+		suffix = " for this device instance";
 	else
 		suffix = "";