/**
* Tell a hardware driver to scan for devices.
*
+ * In addition to the detection, the devices that are found are also
+ * initialized automatically. On some devices, this involves a firmware upload,
+ * or other such measures.
+ *
+ * The order in which the system is scanned for devices is not specified. The
+ * caller should not assume or rely on any specific order.
+ *
* @param driver The driver.
* @param options A list of struct sr_hwopt options to pass to the driver's
* scanner.
}
}
+/**
+ * Returns information about the given driver or device instance.
+ *
+ * @param driver The sr_dev_driver struct to query.
+ * @param id The type of information, in the form of an SR_HWCAP_* option.
+ * @param data Pointer where the value. will be stored. Must not be NULL.
+ * @param sdi Pointer to the struct sr_dev_inst to be checked. Must not be NULL.
+ *
+ * @return SR_OK upon success or SR_ERR in case of error. Note SR_ERR_ARG
+ * may be returned by the driver indicating it doesn't know that id,
+ * but this is not to be flagged as an error by the caller; merely
+ * as an indication that it's not applicable.
+ */
+SR_API int sr_info_get(struct sr_dev_driver *driver, int id,
+ const void **data, const struct sr_dev_inst *sdi)
+{
+ int ret;
+
+ if (driver == NULL || data == NULL)
+ return SR_ERR;
+
+ ret = driver->info_get(id, data, sdi);
+
+ return ret;
+}
+
SR_PRIV struct sr_dev_inst *sr_dev_inst_new(int index, int status,
const char *vendor, const char *model, const char *version)
{
return sdi;
}
-SR_PRIV struct sr_dev_inst *sr_dev_inst_get(GSList *dev_insts, int dev_index)
-{
- struct sr_dev_inst *sdi;
- GSList *l;
-
- for (l = dev_insts; l; l = l->next) {
- sdi = (struct sr_dev_inst *)(l->data);
- if (sdi->index == dev_index)
- return sdi;
- }
- sr_warn("could not find device index %d instance", dev_index);
-
- return NULL;
-}
-
SR_PRIV void sr_dev_inst_free(struct sr_dev_inst *sdi)
{
g_free(sdi->priv);
return FALSE;
}
- if (!(hwcaps = driver->hwcap_get_all())) {
- sr_err("hwdriver: %s: hwcap_get_all() returned NULL", __func__);
+ if (driver->info_get(SR_DI_HWCAPS, (const void **)&hwcaps, NULL) != SR_OK)
return FALSE;
- }
for (i = 0; hwcaps[i]; i++) {
if (hwcaps[i] == hwcap)