alc_update_coef_idx(codec, 0x67, 0xf000, 0x3000);
                fallthrough;
        case 0x10ec0215:
+       case 0x10ec0285:
+       case 0x10ec0289:
+               alc_update_coef_idx(codec, 0x36, 1<<13, 0);
+               fallthrough;
        case 0x10ec0230:
        case 0x10ec0233:
        case 0x10ec0235:
        case 0x10ec0283:
        case 0x10ec0286:
        case 0x10ec0288:
-       case 0x10ec0285:
        case 0x10ec0298:
-       case 0x10ec0289:
        case 0x10ec0300:
                alc_update_coef_idx(codec, 0x10, 1<<9, 0);
                break;
        SND_PCI_QUIRK(0x1028, 0x0b71, "Dell Inspiron 16 Plus 7620", ALC295_FIXUP_DELL_INSPIRON_TOP_SPEAKERS),
        SND_PCI_QUIRK(0x1028, 0x0beb, "Dell XPS 15 9530 (2023)", ALC289_FIXUP_DELL_CS35L41_SPI_2),
        SND_PCI_QUIRK(0x1028, 0x0c03, "Dell Precision 5340", ALC269_FIXUP_DELL4_MIC_NO_PRESENCE),
+       SND_PCI_QUIRK(0x1028, 0x0c0d, "Dell Oasis", ALC289_FIXUP_RTK_AMP_DUAL_SPK),
        SND_PCI_QUIRK(0x1028, 0x0c19, "Dell Precision 3340", ALC236_FIXUP_DELL_DUAL_CODECS),
        SND_PCI_QUIRK(0x1028, 0x0c1a, "Dell Precision 3340", ALC236_FIXUP_DELL_DUAL_CODECS),
        SND_PCI_QUIRK(0x1028, 0x0c1b, "Dell Precision 3440", ALC236_FIXUP_DELL_DUAL_CODECS),