sr: Made the dev_config_set parameter a const pointer

[libsigrok.git] / hardware / openbench-logic-sniffer / ols.c

diff --git a/hardware/openbench-logic-sniffer/ols.c b/hardware/openbench-logic-sniffer/ols.c
index 05e138e9e93a4a10e01300f3f38231cd42b5afdc..7cdd77e64076ba2cb898b78cb0f2246fe41bab1e 100644 (file)
--- a/hardware/openbench-logic-sniffer/ols.c
+++ b/hardware/openbench-logic-sniffer/ols.c
@@ -131,10 +131,10 @@ static int send_longcommand(int fd, uint8_t command, uint32_t data)
        return SR_OK;
 }
 
-static int configure_probes(struct context *ctx, GSList *probes)
+static int configure_probes(struct context *ctx, const GSList *probes)
 {
-       struct sr_probe *probe;
-       GSList *l;
+       const struct sr_probe *probe;
+       const GSList *l;
        int probe_bit, stage, i;
        char *tc;
 
@@ -146,7 +146,7 @@ static int configure_probes(struct context *ctx, GSList *probes)
 
        ctx->num_stages = 0;
        for (l = probes; l; l = l->next) {
-               probe = (struct sr_probe *)l->data;
+               probe = (const struct sr_probe *)l->data;
                if (!probe->enabled)
                        continue;
 
@@ -639,12 +639,12 @@ static int set_samplerate(struct sr_dev_inst *sdi, uint64_t samplerate)
        return SR_OK;
 }
 
-static int hw_dev_config_set(int dev_index, int hwcap, void *value)
+static int hw_dev_config_set(int dev_index, int hwcap, const void *value)
 {
        struct sr_dev_inst *sdi;
        struct context *ctx;
        int ret;
-       uint64_t *tmp_u64;
+       const uint64_t *tmp_u64;
 
        if (!(sdi = sr_dev_inst_get(dev_insts, dev_index)))
                return SR_ERR;
@@ -655,10 +655,10 @@ static int hw_dev_config_set(int dev_index, int hwcap, void *value)
 
        switch (hwcap) {
        case SR_HWCAP_SAMPLERATE:
-               ret = set_samplerate(sdi, *(uint64_t *)value);
+               ret = set_samplerate(sdi, *(const uint64_t *)value);
                break;
        case SR_HWCAP_PROBECONFIG:
-               ret = configure_probes(ctx, (GSList *)value);
+               ret = configure_probes(ctx, (const GSList *)value);
                break;
        case SR_HWCAP_LIMIT_SAMPLES:
                tmp_u64 = value;
@@ -671,7 +671,7 @@ static int hw_dev_config_set(int dev_index, int hwcap, void *value)
                ret = SR_OK;
                break;
        case SR_HWCAP_CAPTURE_RATIO:
-               ctx->capture_ratio = *(uint64_t *)value;
+               ctx->capture_ratio = *(const uint64_t *)value;
                if (ctx->capture_ratio < 0 || ctx->capture_ratio > 100) {
                        ctx->capture_ratio = 0;
                        ret = SR_ERR;