sr_dev_close(): Factor out SR_ERR_DEV_CLOSED check.

[libsigrok.git] / src / hardware / hp-3457a / api.c

diff --git a/src/hardware/hp-3457a/api.c b/src/hardware/hp-3457a/api.c
index f9ea375932d43237429ad6f6c364b386e9446cae..195b9804f8ed081f0f820a5eebcc3dd9e213afd0 100644 (file)
--- a/src/hardware/hp-3457a/api.c
+++ b/src/hardware/hp-3457a/api.c
@@ -37,7 +37,7 @@ static const uint32_t devopts[] = {
        SR_CONF_ADC_POWERLINE_CYCLES | SR_CONF_SET | SR_CONF_GET,
 };
 
-SR_PRIV struct sr_dev_driver hp_3457a_driver_info;
+static struct sr_dev_driver hp_3457a_driver_info;
 
 static int create_front_channel(struct sr_dev_inst *sdi, int chan_idx)
 {
@@ -214,9 +214,6 @@ static int dev_close(struct sr_dev_inst *sdi)
 {
        struct sr_scpi_dev_inst *scpi = sdi->conn;
 
-       if (sdi->status != SR_ST_ACTIVE)
-               return SR_ERR_DEV_CLOSED;
-
        /* Disable scan-advance (preserve relay life). */
        sr_scpi_send(scpi, "SADV HOLD");
        /* Switch back to auto-triggering. */
@@ -263,9 +260,6 @@ static int config_set(uint32_t key, GVariant *data,
 
        (void)cg;
 
-       if (sdi->status != SR_ST_ACTIVE)
-               return SR_ERR_DEV_CLOSED;
-
        devc = sdi->priv;
 
        ret = SR_OK;
@@ -367,9 +361,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi)
        GArray *ch_list;
        GSList *channels;
 
-       if (sdi->status != SR_ST_ACTIVE)
-               return SR_ERR_DEV_CLOSED;
-
        scpi = sdi->conn;
        devc = sdi->priv;
 
@@ -378,7 +369,7 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi)
        if (ret != SR_OK)
                return ret;
 
-       std_session_send_df_header(sdi, LOG_PREFIX);
+       std_session_send_df_header(sdi);
 
        front_selected = rear_selected = FALSE;
        devc->active_channels = NULL;
@@ -437,7 +428,7 @@ static int dev_acquisition_stop(struct sr_dev_inst *sdi)
        return SR_OK;
 }
 
-SR_PRIV struct sr_dev_driver hp_3457a_driver_info = {
+static struct sr_dev_driver hp_3457a_driver_info = {
        .name = "hp-3457a",
        .longname = "HP 3457A",
        .api_version = 1,
@@ -454,3 +445,4 @@ SR_PRIV struct sr_dev_driver hp_3457a_driver_info = {
        .dev_acquisition_stop = dev_acquisition_stop,
        .context = NULL,
 };
+SR_REGISTER_DEV_DRIVER(hp_3457a_driver_info);