Factor out common hw_init() driver code.

[libsigrok.git] / hardware / victor-dmm / api.c

diff --git a/hardware/victor-dmm/api.c b/hardware/victor-dmm/api.c
index b847fbf9e8352dbb62087b55194a718e596cfafc..75c893d1779150fb34aa1e868b0bec7e78b79bf9 100644 (file)
--- a/hardware/victor-dmm/api.c
+++ b/hardware/victor-dmm/api.c
@@ -74,16 +74,7 @@ static int clear_instances(void)
 
 static int hw_init(struct sr_context *sr_ctx)
 {
-       struct drv_context *drvc;
-
-       if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) {
-               sr_err("Driver context malloc failed.");
-               return SR_ERR_MALLOC;
-       }
-       drvc->sr_ctx = sr_ctx;
-       di->priv = drvc;
-
-       return SR_OK;
+       return std_hw_init(sr_ctx, di, DRIVER_LOG_DOMAIN);
 }
 
 static GSList *hw_scan(GSList *options)
@@ -99,10 +90,7 @@ static GSList *hw_scan(GSList *options)
 
        (void)options;
 
-       if (!(drvc = di->priv)) {
-               sr_err("Driver was not initialized.");
-               return NULL;
-       }
+       drvc = di->priv;
 
        /* USB scan is always authoritative. */
        clear_instances();
@@ -244,24 +232,7 @@ static int hw_cleanup(void)
        return SR_OK;
 }
 
-static int hw_info_get(int info_id, const void **data,
-                      const struct sr_dev_inst *sdi)
-{
-       (void)sdi;
-
-       switch (info_id) {
-       case SR_DI_HWCAPS:
-               *data = hwcaps;
-               break;
-       default:
-               return SR_ERR_ARG;
-       }
-
-       return SR_OK;
-}
-
-static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
-                            const void *value)
+static int config_set(int id, const void *value, const struct sr_dev_inst *sdi)
 {
        struct dev_context *devc;
        gint64 now;
@@ -279,7 +250,7 @@ static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
 
        devc = sdi->priv;
        ret = SR_OK;
-       switch (hwcap) {
+       switch (id) {
        case SR_CONF_LIMIT_MSEC:
                devc->limit_msec = *(const int64_t *)value;
                now = g_get_monotonic_time() / 1000;
@@ -293,13 +264,29 @@ static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
                       devc->limit_samples);
                break;
        default:
-               sr_err("Unknown hardware capability: %d.", hwcap);
+               sr_err("Unknown hardware capability: %d.", id);
                ret = SR_ERR_ARG;
        }
 
        return ret;
 }
 
+static int config_list(int key, const void **data, const struct sr_dev_inst *sdi)
+{
+
+       (void)sdi;
+
+       switch (key) {
+       case SR_CONF_DEVICE_OPTIONS:
+               *data = hwcaps;
+               break;
+       default:
+               return SR_ERR_ARG;
+       }
+
+       return SR_OK;
+}
+
 static void receive_transfer(struct libusb_transfer *transfer)
 {
        struct dev_context *devc;
@@ -466,10 +453,10 @@ SR_PRIV struct sr_dev_driver victor_dmm_driver_info = {
        .scan = hw_scan,
        .dev_list = hw_dev_list,
        .dev_clear = clear_instances,
+       .config_set = config_set,
+       .config_list = config_list,
        .dev_open = hw_dev_open,
        .dev_close = hw_dev_close,
-       .info_get = hw_info_get,
-       .dev_config_set = hw_dev_config_set,
        .dev_acquisition_start = hw_dev_acquisition_start,
        .dev_acquisition_stop = hw_dev_acquisition_stop,
        .priv = NULL,