--- sound/pci/hda/patch_analog.c

+++ sound/pci/hda/patch_analog.c

@@ -1003,7 +1003,7 @@ static struct snd_pci_quirk ad1986a_cfg_

SND_PCI_QUIRK(0x1043, 0x81cb, "ASUS M2N", AD1986A_3STACK),

SND_PCI_QUIRK(0x1043, 0x8234, "ASUS M2N", AD1986A_3STACK),

SND_PCI_QUIRK(0x10de, 0xcb84, "ASUS A8N-VM", AD1986A_3STACK),

- SND_PCI_QUIRK(0x1179, 0xff40, "Toshiba", AD1986A_LAPTOP_EAPD),

+ SND_PCI_QUIRK(0x1179, 0xff40, "Toshiba Satellite L40-10Q", AD1986A_3STACK),

SND_PCI_QUIRK(0x144d, 0xb03c, "Samsung R55", AD1986A_3STACK),

SND_PCI_QUIRK(0x144d, 0xc01e, "FSC V2060", AD1986A_LAPTOP),

SND_PCI_QUIRK(0x144d, 0xc024, "Samsung P50", AD1986A_SAMSUNG_P50),

@@ -1789,6 +1789,14 @@ static int patch_ad1981(struct hda_codec

case AD1981_THINKPAD:

spec->mixers[0] = ad1981_thinkpad_mixers;

spec->input_mux = &ad1981_thinkpad_capture_source;

+ /* set the upper-limit for mixer amp to 0dB for avoiding the

+ * possible damage by overloading

+ */

+ snd_hda_override_amp_caps(codec, 0x11, HDA_INPUT,

+ (0x17 << AC_AMPCAP_OFFSET_SHIFT) |

+ (0x17 << AC_AMPCAP_NUM_STEPS_SHIFT) |

+ (0x05 << AC_AMPCAP_STEP_SIZE_SHIFT) |

+ (1 << AC_AMPCAP_MUTE_SHIFT));

break;

case AD1981_TOSHIBA:

spec->mixers[0] = ad1981_hp_mixers;