Constify a few arrays and variables.

[libsigrok.git] / src / hardware / scpi-pps / api.c

diff --git a/src/hardware/scpi-pps/api.c b/src/hardware/scpi-pps/api.c
index 33d94286baf87a4c3ca02f730f4ce2c32cbbca87..9da525792625267db897a6158776257169f9e0ee 100644 (file)
--- a/src/hardware/scpi-pps/api.c
+++ b/src/hardware/scpi-pps/api.c
@@ -33,7 +33,7 @@ static const uint32_t drvopts[] = {
        SR_CONF_POWER_SUPPLY,
 };
 
-static struct pps_channel_instance pci[] = {
+static const struct pps_channel_instance pci[] = {
        { SR_MQ_VOLTAGE, SCPI_CMD_GET_MEAS_VOLTAGE, "V" },
        { SR_MQ_CURRENT, SCPI_CMD_GET_MEAS_CURRENT, "I" },
        { SR_MQ_POWER, SCPI_CMD_GET_MEAS_POWER, "P" },
@@ -104,9 +104,9 @@ static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi)
 
        if (device->num_channels) {
                /* Static channels and groups. */
-               channels = device->channels;
+               channels = (struct channel_spec *)device->channels;
                num_channels = device->num_channels;
-               channel_groups = device->channel_groups;
+               channel_groups = (struct channel_group_spec *)device->channel_groups;
                num_channel_groups = device->num_channel_groups;
        } else {
                /* Channels and groups need to be probed. */
@@ -419,7 +419,7 @@ static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *
 {
        struct dev_context *devc;
        struct sr_channel *ch;
-       struct channel_spec *ch_spec;
+       const struct channel_spec *ch_spec;
        GVariant *gvar;
        GVariantBuilder gvb;
        int ret, i;