Shorten/simplify hw_dev_list() implementations.

[libsigrok.git] / hardware / fx2lafw / fx2lafw.c

diff --git a/hardware/fx2lafw/fx2lafw.c b/hardware/fx2lafw/fx2lafw.c
index 3b949940351798aed01b98c9fadd7709d654a829..75b4557c9ebf70ada03b7497e7060b4c5bb45668 100644 (file)
--- a/hardware/fx2lafw/fx2lafw.c
+++ b/hardware/fx2lafw/fx2lafw.c
@@ -118,10 +118,10 @@ static const uint64_t supported_samplerates[] = {
 };
 
 static const struct sr_samplerates samplerates = {
-       0,
-       0,
-       0,
-       supported_samplerates,
+       .low  = 0,
+       .high = 0,
+       .step = 0,
+       .list = supported_samplerates,
 };
 
 SR_PRIV struct sr_dev_driver fx2lafw_driver_info;
@@ -384,17 +384,7 @@ 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)
@@ -488,11 +478,7 @@ 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)
@@ -607,9 +593,6 @@ static int config_get(int id, const void **data, const struct sr_dev_inst *sdi)
        struct dev_context *devc;
 
        switch (id) {
-       case SR_DI_HWCAPS:
-               *data = hwcaps;
-               break;
        case SR_CONF_SAMPLERATE:
                if (sdi) {
                        devc = sdi->priv;
@@ -650,6 +633,9 @@ 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;
        case SR_CONF_SAMPLERATE:
                *data = &samplerates;
                break;