+static void debug_dst_buffer(struct dst_state *state)
+{
+ int i;
+
+ if (verbose > 2) {
+ printk("%s: [", __func__);
+ for (i = 0; i < 8; i++)
+ printk(" %02x", state->rxbuffer[i]);
+ printk("]\n");
+ }
+}
+
+static int dst_check_stv0299(struct dst_state *state)
+{
+ u8 check_stv0299[] = { 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+
+ check_stv0299[7] = dst_check_sum(check_stv0299, 7);
+ if (dst_command(state, check_stv0299, 8) < 0) {
+ dprintk(verbose, DST_ERROR, 1, "Cmd=[0x04] failed");
+ return -1;
+ }
+ debug_dst_buffer(state);
+
+ if (memcmp(&check_stv0299, &state->rxbuffer, 8)) {
+ dprintk(verbose, DST_ERROR, 1, "Found a STV0299 NIM");
+ state->tuner_type = TUNER_TYPE_STV0299;
+ return 0;
+ }
+
+ return -1;
+}
+
+static int dst_check_mb86a15(struct dst_state *state)
+{
+ u8 check_mb86a15[] = { 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+
+ check_mb86a15[7] = dst_check_sum(check_mb86a15, 7);
+ if (dst_command(state, check_mb86a15, 8) < 0) {
+ dprintk(verbose, DST_ERROR, 1, "Cmd=[0x10], failed");
+ return -1;
+ }
+ debug_dst_buffer(state);
+
+ if (memcmp(&check_mb86a15, &state->rxbuffer, 8) < 0) {
+ dprintk(verbose, DST_ERROR, 1, "Found a MB86A15 NIM");
+ state->tuner_type = TUNER_TYPE_MB86A15;
+ return 0;
+ }
+
+ return -1;
+}
+