Simplify a few config_set() callbacks.

[libsigrok.git] / src / hardware / agilent-dmm / api.c

diff --git a/src/hardware/agilent-dmm/api.c b/src/hardware/agilent-dmm/api.c
index edae4bd4abc01d6535490d1a5619f495683b76ca..19a4144cca2aed4ea75df880087be1767ae7ace6 100644 (file)
--- a/src/hardware/agilent-dmm/api.c
+++ b/src/hardware/agilent-dmm/api.c
@@ -71,20 +71,18 @@ static const struct agdmm_profile supported_agdmm[] = {
 };
 
 SR_PRIV struct sr_dev_driver agdmm_driver_info;
-static struct sr_dev_driver *di = &agdmm_driver_info;
 
-static int init(struct sr_context *sr_ctx)
+static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx)
 {
        return std_init(sr_ctx, di, LOG_PREFIX);
 }
 
-static GSList *scan(GSList *options)
+static GSList *scan(struct sr_dev_driver *di, GSList *options)
 {
        struct sr_dev_inst *sdi;
        struct drv_context *drvc;
        struct dev_context *devc;
        struct sr_config *src;
-       struct sr_channel *ch;
        struct sr_serial_dev_inst *serial;
        GSList *l, *devices;
        int len, i;
@@ -112,8 +110,7 @@ static GSList *scan(GSList *options)
        if (!serialcomm)
                serialcomm = SERIALCOMM;
 
-       if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
-               return NULL;
+       serial = sr_serial_dev_inst_new(conn, serialcomm);
 
        if (serial_open(serial, SERIAL_RDWR) != SR_OK)
                return NULL;
@@ -139,24 +136,19 @@ static GSList *scan(GSList *options)
                for (i = 0; supported_agdmm[i].model; i++) {
                        if (strcmp(supported_agdmm[i].modelname, tokens[1]))
                                continue;
-                       sdi = sr_dev_inst_new();
+                       sdi = g_malloc0(sizeof(struct sr_dev_inst));
                        sdi->status = SR_ST_INACTIVE;
                        sdi->vendor = g_strdup("Agilent");
                        sdi->model = g_strdup(tokens[1]);
                        sdi->version = g_strdup(tokens[3]);
-                       if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
-                               sr_err("Device context malloc failed.");
-                               return NULL;
-                       }
+                       devc = g_malloc0(sizeof(struct dev_context));
                        devc->profile = &supported_agdmm[i];
                        devc->cur_mq = -1;
                        sdi->inst_type = SR_INST_SERIAL;
                        sdi->conn = serial;
                        sdi->priv = devc;
                        sdi->driver = di;
-                       if (!(ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "P1")))
-                               return NULL;
-                       sdi->channels = g_slist_append(sdi->channels, ch);
+                       sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1");
                        drvc->instances = g_slist_append(drvc->instances, sdi);
                        devices = g_slist_append(devices, sdi);
                        break;
@@ -172,12 +164,12 @@ static GSList *scan(GSList *options)
        return devices;
 }
 
-static GSList *dev_list(void)
+static GSList *dev_list(const struct sr_dev_driver *di)
 {
        return ((struct drv_context *)(di->priv))->instances;
 }
 
-static int cleanup(void)
+static int cleanup(const struct sr_dev_driver *di)
 {
        return std_dev_clear(di, NULL);
 }
@@ -200,18 +192,10 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd
        switch (key) {
        case SR_CONF_LIMIT_MSEC:
                /* TODO: not yet implemented */
-               if (g_variant_get_uint64(data) == 0) {
-                       sr_err("LIMIT_MSEC can't be 0.");
-                       return SR_ERR;
-               }
                devc->limit_msec = g_variant_get_uint64(data);
-               sr_dbg("Setting time limit to %" PRIu64 "ms.",
-                      devc->limit_msec);
                break;
        case SR_CONF_LIMIT_SAMPLES:
                devc->limit_samples = g_variant_get_uint64(data);
-               sr_dbg("Setting sample limit to %" PRIu64 ".",
-                      devc->limit_samples);
                break;
        default:
                return SR_ERR_NA;