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authorIngo Molnar <mingo@elte.hu>2010-04-08 13:36:36 +0200
committerIngo Molnar <mingo@elte.hu>2010-04-08 13:37:18 +0200
commitca7e0c612005937a4a5a75d3fed90459993de65c (patch)
treeb574fc0f0189b52ffc87ba20c418228db556faa1 /sound/pci/hda/patch_analog.c
parent8141d0050d76e5695011b5ab577ec66fb51a998c (diff)
parentf5284e7635787224dda1a2bf82a4c56b1c75671f (diff)
downloadblackbird-obmc-linux-ca7e0c612005937a4a5a75d3fed90459993de65c.tar.gz
blackbird-obmc-linux-ca7e0c612005937a4a5a75d3fed90459993de65c.zip
Merge branch 'linus' into perf/core
Semantic conflict: arch/x86/kernel/cpu/perf_event_intel_ds.c Merge reason: pick up latest fixes, fix the conflict Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'sound/pci/hda/patch_analog.c')
-rw-r--r--sound/pci/hda/patch_analog.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/sound/pci/hda/patch_analog.c b/sound/pci/hda/patch_analog.c
index e6d1bdff1b6e..af34606c30c3 100644
--- a/sound/pci/hda/patch_analog.c
+++ b/sound/pci/hda/patch_analog.c
@@ -1896,6 +1896,14 @@ static int patch_ad1981(struct hda_codec *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;
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