Shorten/simplify hw_dev_list() implementations.

[libsigrok.git] / hardware / uni-t-dmm / api.c

diff --git a/hardware/uni-t-dmm/api.c b/hardware/uni-t-dmm/api.c
index cb7c696611a2050d3d24385870485e5a0dda0314..9870130a17132cf67f7727058c1b1c27d496edef 100644 (file)
--- a/hardware/uni-t-dmm/api.c
+++ b/hardware/uni-t-dmm/api.c
@@ -57,23 +57,13 @@ static int clear_instances(void)
 
 static int hw_init(struct sr_context *sr_ctx, int dmm)
 {
-       struct drv_context *drvc;
-
-       if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) {
-               sr_err("Driver context malloc failed.");
-               return SR_ERR_MALLOC;
-       }
-
        if (dmm == UNI_T_UT61D)
                di = di_ut61d;
        else if (dmm == VOLTCRAFT_VC820)
                di = di_vc820;
        sr_dbg("Selected '%s' subdriver.", di->name);
 
-       drvc->sr_ctx = sr_ctx;
-       di->priv = drvc;
-
-       return SR_OK;
+       return std_hw_init(sr_ctx, di, DRIVER_LOG_DOMAIN);
 }
 
 static int hw_init_ut61d(struct sr_context *sr_ctx)
@@ -152,11 +142,7 @@ static GSList *hw_scan(GSList *options)
 
 static GSList *hw_dev_list(void)
 {
-       struct drv_context *drvc;
-
-       drvc = di->priv;
-
-       return drvc->instances;
+       return ((struct drv_context *)(di->priv))->instances;
 }
 
 static int hw_dev_open(struct sr_dev_inst *sdi)
@@ -186,40 +172,6 @@ static int hw_cleanup(void)
        return SR_OK;
 }
 
-static int config_get(int id, const void **data, const struct sr_dev_inst *sdi)
-{
-       (void)sdi;
-
-       sr_spew("Backend requested info_id %d.", id);
-
-       switch (id) {
-       case SR_DI_HWOPTS:
-               *data = hwopts;
-               break;
-       case SR_DI_HWCAPS:
-               *data = hwcaps;
-               sr_spew("%s: Returning hwcaps.", __func__);
-               break;
-       case SR_DI_SAMPLERATES:
-               /* TODO: Get rid of this. */
-               *data = NULL;
-               sr_spew("%s: Returning samplerates.", __func__);
-               return SR_ERR_ARG;
-               break;
-       case SR_DI_CUR_SAMPLERATE:
-               /* TODO: Get rid of this. */
-               *data = NULL;
-               sr_spew("%s: Returning current samplerate.", __func__);
-               return SR_ERR_ARG;
-               break;
-       default:
-               return SR_ERR_ARG;
-               break;
-       }
-
-       return SR_OK;
-}
-
 static int config_set(int id, const void *value, const struct sr_dev_inst *sdi)
 {
        struct dev_context *devc;
@@ -255,6 +207,25 @@ static int config_set(int id, const void *value, const struct sr_dev_inst *sdi)
        return SR_OK;
 }
 
+static int config_list(int key, const void **data, const struct sr_dev_inst *sdi)
+{
+
+       (void)sdi;
+
+       switch (key) {
+       case SR_CONF_SCAN_OPTIONS:
+               *data = hwopts;
+               break;
+       case SR_CONF_DEVICE_OPTIONS:
+               *data = hwcaps;
+               break;
+       default:
+               return SR_ERR_ARG;
+       }
+
+       return SR_OK;
+}
+
 static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
                                    void *cb_data)
 {
@@ -315,8 +286,8 @@ SR_PRIV struct sr_dev_driver uni_t_ut61d_driver_info = {
        .scan = hw_scan,
        .dev_list = hw_dev_list,
        .dev_clear = clear_instances,
-       .config_get = config_get,
        .config_set = config_set,
+       .config_list = config_list,
        .dev_open = hw_dev_open,
        .dev_close = hw_dev_close,
        .dev_acquisition_start = hw_dev_acquisition_start,
@@ -333,8 +304,8 @@ SR_PRIV struct sr_dev_driver voltcraft_vc820_driver_info = {
        .scan = hw_scan,
        .dev_list = hw_dev_list,
        .dev_clear = clear_instances,
-       .config_get = config_get,
        .config_set = config_set,
+       .config_list = config_list,
        .dev_open = hw_dev_open,
        .dev_close = hw_dev_close,
        .dev_acquisition_start = hw_dev_acquisition_start,