sr: Made hwcap const

[libsigrok.git] / hwdriver.c

diff --git a/hwdriver.c b/hwdriver.c
index 43f0762f0ec8b4e61cb3a0b4b8f5a02eb8049585..bbaccc8ca1719863e90d61a970f8c074d7efb6f1 100644 (file)
--- a/hwdriver.c
+++ b/hwdriver.c
@@ -41,7 +41,10 @@ SR_API struct sr_hwcap_option sr_hwcap_options[] = {
        {SR_HWCAP_HORIZ_TRIGGERPOS, SR_T_FLOAT, "Horizontal trigger position",
                        "horiz_triggerpos"},
        {SR_HWCAP_BUFFERSIZE, SR_T_UINT64, "Buffer size", "buffersize"},
-       {SR_HWCAP_TIMEBASE, SR_T_RATIONAL, "Time base", "timebase"},
+       {SR_HWCAP_TIMEBASE, SR_T_RATIONAL_PERIOD, "Time base", "timebase"},
+       {SR_HWCAP_FILTER, SR_T_CHAR, "Filter targets", "filter"},
+       {SR_HWCAP_VDIV, SR_T_RATIONAL_VOLT, "Volts/div", "vdiv"},
+       {SR_HWCAP_COUPLING, SR_T_CHAR, "Coupling", "coupling"},
        {0, 0, NULL, NULL},
 };
 
@@ -273,7 +276,8 @@ SR_PRIV void sr_serial_dev_inst_free(struct sr_serial_dev_inst *serial)
  */
 SR_API gboolean sr_driver_hwcap_exists(struct sr_dev_driver *driver, int hwcap)
 {
-       int *hwcaps, i;
+       const int *hwcaps;
+       int i;
 
        if (!driver) {
                sr_err("hwdriver: %s: driver was NULL", __func__);
@@ -301,7 +305,7 @@ SR_API gboolean sr_driver_hwcap_exists(struct sr_dev_driver *driver, int hwcap)
  * @return A pointer to a struct with information about the parameter, or NULL
  *         if the capability was not found.
  */
-SR_API struct sr_hwcap_option *sr_hw_hwcap_get(int hwcap)
+SR_API const struct sr_hwcap_option *sr_hw_hwcap_get(int hwcap)
 {
        int i;