CXT_FIXUP_HP_530,
        CXT_FIXUP_CAP_MIX_AMP_5047,
        CXT_FIXUP_MUTE_LED_EAPD,
+       CXT_FIXUP_HP_DOCK,
        CXT_FIXUP_HP_SPECTRE,
        CXT_FIXUP_HP_GATE_MIC,
 };
                .type = HDA_FIXUP_FUNC,
                .v.func = cxt_fixup_mute_led_eapd,
        },
+       [CXT_FIXUP_HP_DOCK] = {
+               .type = HDA_FIXUP_PINS,
+               .v.pins = (const struct hda_pintbl[]) {
+                       { 0x16, 0x21011020 }, /* line-out */
+                       { 0x18, 0x2181103f }, /* line-in */
+                       { }
+               }
+       },
        [CXT_FIXUP_HP_SPECTRE] = {
                .type = HDA_FIXUP_PINS,
                .v.pins = (const struct hda_pintbl[]) {
        SND_PCI_QUIRK(0x1025, 0x0543, "Acer Aspire One 522", CXT_FIXUP_STEREO_DMIC),
        SND_PCI_QUIRK(0x1025, 0x054c, "Acer Aspire 3830TG", CXT_FIXUP_ASPIRE_DMIC),
        SND_PCI_QUIRK(0x1025, 0x054f, "Acer Aspire 4830T", CXT_FIXUP_ASPIRE_DMIC),
+       SND_PCI_QUIRK(0x103c, 0x8079, "HP EliteBook 840 G3", CXT_FIXUP_HP_DOCK),
        SND_PCI_QUIRK(0x103c, 0x8174, "HP Spectre x360", CXT_FIXUP_HP_SPECTRE),
        SND_PCI_QUIRK(0x103c, 0x8115, "HP Z1 Gen3", CXT_FIXUP_HP_GATE_MIC),
        SND_PCI_QUIRK(0x1043, 0x138d, "Asus", CXT_FIXUP_HEADPHONE_MIC_PIN),
        { .id = CXT_PINCFG_LEMOTE_A1205, .name = "lemote-a1205" },
        { .id = CXT_FIXUP_OLPC_XO, .name = "olpc-xo" },
        { .id = CXT_FIXUP_MUTE_LED_EAPD, .name = "mute-led-eapd" },
+       { .id = CXT_FIXUP_HP_DOCK, .name = "hp-dock" },
        {}
 };