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-rw-r--r--sound/pci/hda/patch_conexant.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index 194a28c54992..61682e1d09da 100644
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -1591,6 +1591,21 @@ static int patch_cxt5047(struct hda_codec *codec)
1591#endif 1591#endif
1592 } 1592 }
1593 spec->vmaster_nid = 0x13; 1593 spec->vmaster_nid = 0x13;
1594
1595 switch (codec->subsystem_id >> 16) {
1596 case 0x103c:
1597 /* HP laptops have really bad sound over 0 dB on NID 0x10.
1598 * Fix max PCM level to 0 dB (originally it has 0x1e steps
1599 * with 0 dB offset 0x17)
1600 */
1601 snd_hda_override_amp_caps(codec, 0x10, HDA_INPUT,
1602 (0x17 << AC_AMPCAP_OFFSET_SHIFT) |
1603 (0x17 << AC_AMPCAP_NUM_STEPS_SHIFT) |
1604 (0x05 << AC_AMPCAP_STEP_SIZE_SHIFT) |
1605 (1 << AC_AMPCAP_MUTE_SHIFT));
1606 break;
1607 }
1608
1594 return 0; 1609 return 0;
1595} 1610}
1596 1611