+SR_PRIV int bl_acme_read_power_state(const struct sr_channel_group *cg,
+ gboolean *off)
+{
+ struct channel_group_priv *cgp;
+ int val;
+
+ cgp = cg->priv;
+
+ val = sr_gpio_getval_export(pws_info_gpios[cgp->index]);
+ if (val != 1) {
+ sr_err("Probe has no power-switch");
+ return SR_ERR_ARG;
+ }
+
+ val = sr_gpio_getval_export(pws_gpios[cgp->index]);
+ *off = val ? FALSE : TRUE;
+
+ return SR_OK;
+}
+
+SR_PRIV int bl_acme_set_power_off(const struct sr_channel_group *cg,
+ gboolean off)
+{
+ struct channel_group_priv *cgp;
+ int val;
+
+ cgp = cg->priv;
+
+ val = sr_gpio_getval_export(pws_info_gpios[cgp->index]);
+ if (val != 1) {
+ sr_err("Probe has no power-switch");
+ return SR_ERR_ARG;
+ }
+
+ val = sr_gpio_setval_export(pws_gpios[cgp->index], off ? 0 : 1);
+
+ return SR_OK;
+}
+