+ switch (mode) {
+ case 0:
+ t->audmode = V4L2_TUNER_MODE_STEREO;
+ break;
+ case 1:
+ t->audmode = V4L2_TUNER_MODE_LANG2;
+ break;
+ case 2:
+ t->audmode = V4L2_TUNER_MODE_MONO;
+ break;
+ case 3:
+ t->audmode = V4L2_TUNER_MODE_SAP;
+ break;
+ }
+
+ switch (core->tvaudio) {
+ case WW_BTSC:
+ case WW_BG:
+ case WW_DK:
+ case WW_M:
+ case WW_EIAJ:
+ if (!core->use_nicam) {
+ t->rxsubchans = cx88_dsp_detect_stereo_sap(core);
+ break;
+ }
+ break;
+ default:
+ /* nothing */
+ break;
+ }
+
+ /* If software stereo detection is not supported... */
+ if (UNSET == t->rxsubchans) {
+ t->rxsubchans = V4L2_TUNER_SUB_MONO;
+ /* If the hardware itself detected stereo, also return
+ stereo as an available subchannel */
+ if (V4L2_TUNER_MODE_STEREO == t->audmode)
+ t->rxsubchans |= V4L2_TUNER_SUB_STEREO;
+ }