sr: Made the dev_config_set parameter a const pointer

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

diff --git a/hardware/alsa/alsa.c b/hardware/alsa/alsa.c
index f15e91db1295641e83c5d11373afc5fa6ea804f0..d86ac05fd39f619378b195ee991ad6ea956052eb 100644 (file)
--- a/hardware/alsa/alsa.c
+++ b/hardware/alsa/alsa.c
@@ -42,7 +42,7 @@ struct sr_analog_sample {
        struct sr_analog_probe probes[];
 };
 
-static int hwcaps[] = {
+static const int hwcaps[] = {
        SR_HWCAP_SAMPLERATE,
        SR_HWCAP_LIMIT_SAMPLES,
        SR_HWCAP_CONTINUOUS,
@@ -168,7 +168,7 @@ static int hw_cleanup(void)
        return SR_OK;
 }
 
-static void *hw_dev_info_get(int dev_index, int dev_info_id)
+static const void *hw_dev_info_get(int dev_index, int dev_info_id)
 {
        struct sr_dev_inst *sdi;
        struct context *ctx;
@@ -207,12 +207,12 @@ static int hw_dev_status_get(int dev_index)
        return SR_ST_ACTIVE;
 }
 
-static int *hw_hwcap_get_all(void)
+static const int *hw_hwcap_get_all(void)
 {
        return hwcaps;
 }
 
-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;
@@ -225,10 +225,10 @@ static int hw_dev_config_set(int dev_index, int hwcap, void *value)
        case SR_HWCAP_PROBECONFIG:
                return SR_OK;
        case SR_HWCAP_SAMPLERATE:
-               ctx->cur_rate = *(uint64_t *)value;
+               ctx->cur_rate = *(const uint64_t *)value;
                return SR_OK;
        case SR_HWCAP_LIMIT_SAMPLES:
-               ctx->limit_samples = *(uint64_t *)value;
+               ctx->limit_samples = *(const uint64_t *)value;
                return SR_OK;
        default:
                return SR_ERR;