Sigmatel stac92hd71b7 low HP volume
PATCH 1/1 Sigmatel stac92hd71b7 low HP volume
Hello,
Below is my patch for an issue on Dell E6500 notebooks with the Sigmatel stac92hd71b7 codec. In the default snd-hda-intel configuration, the sound going to the headphone jack goes comes directly from the DAC, resulting in very low volume output. The patch changes the codec's widget connections so that the internal mixer is put in between and sets its input amplifiers to the maximum value. The output to the internal speaker port has been left untouched. I have tested this and it gives a much better output.
Klaas De Craemer
sound/pci/hda/patch_sigmatel.c +20 -0
@@ -624,6 +624,22 @@ {} }; +static struct hda_verb stac92hd71b7_core_init[] = { +/* set master volume and direct control */ + {0x28 ,AC_VERB_SET_VOLUME_KNOB_CONTROL ,0xff }, +/* connect headphone jack to mixer */ + {0x0a ,AC_VERB_SET_CONNECT_SEL ,0x02 }, +/* unmute right and left channels for nodes 0x0a, 0xd, 0x0f */ + {0x0a ,AC_VERB_SET_AMP_GAIN_MUTE ,AMP_IN_UNMUTE (0 )}, + {0x0d ,AC_VERB_SET_AMP_GAIN_MUTE ,AMP_IN_UNMUTE (0 )}, + {0x0f ,AC_VERB_SET_AMP_GAIN_MUTE ,AMP_IN_UNMUTE (0 )}, + +/* Increase mixer volume for the two dac's */ + {0x17 ,0x370 ,0x7f }, + {0x17 ,0x371 ,0x7f }, + {} +}; +static struct hda_verb stac92hd71bxx_core_init[] = {/* set master volume and direct control */ {0x28 ,AC_VERB_SET_VOLUME_KNOB_CONTROL ,0xff },
@@ -3642,6 +3658,10 @@ spec->mixer = stac92hd71bxx_mixer; spec->init = stac92hd71bxx_core_init;break ; +case 0x111d76b2 :/* Dell E6500 stac92hd71b7 configuration */ + spec->mixer = stac92hd71bxx_mixer; + spec->init = stac92hd71b7_core_init; +break ;default : spec->mixer = stac92hd71bxx_analog_mixer; spec->init = stac92hd71bxx_analog_core_init;
Quoted 35 lines · On Thu, 2 Oct 2008 21:45:03 +0200 Klaas De Craemer <[email protected]> wrote:
Hello,
Below is my patch for an issue on Dell E6500 notebooks with the Sigmatel stac92hd71b7 codec. In the default snd-hda-intel configuration, the sound going to the headphone jack goes comes directly from the DAC, resulting in very low volume output. The patch changes the codec's widget connections so that the internal mixer is put in between and sets its input amplifiers to the maximum value. The output to the internal speaker port has been left untouched. I have tested this and it gives a much better output.
Klaas De Craemer
diff -uNr
linux-2.6.26.5/sound/pci/hda/patch_sigmatel.clinux-2.6.26.5.new/sound/pci/hda/patch_sigmatel.csound/pci/hda/patch_sigmatel.c +16
-0@@ -624,6 +624,22 @@ {} }; +static struct hda_verb stac92hd71b7_core_init[] = { +/* set master volume and direct control */ + {0x28 ,AC_VERB_SET_VOLUME_KNOB_CONTROL ,0xff }, +/* connect headphone jack to mixer */ + {0x0a ,AC_VERB_SET_CONNECT_SEL ,0x02 }, +/* unmute right and left channels for nodes 0x0a, 0xd, 0x0f */ + {0x0a ,AC_VERB_SET_AMP_GAIN_MUTE ,AMP_IN_UNMUTE (0 )}, + {0x0d ,AC_VERB_SET_AMP_GAIN_MUTE ,AMP_IN_UNMUTE (0 )}, + {0x0f ,AC_VERB_SET_AMP_GAIN_MUTE ,AMP_IN_UNMUTE (0 )}, + +/* Increase mixer volume for the two dac's */ + {0x17 ,0x370 ,0x7f }, + {0x17 ,0x371 ,0x7f }, + {} +}; +static struct hda_verb stac92hd71bxx_core_init[] = {/* set master volume and direct control */ {0x28 ,AC_VERB_SET_VOLUME_KNOB_CONTROL ,0xff },
sound/pci/hda/patch_sigmatel.c line 3667
Quoted 10 lines
sound/pci/hda/patch_sigmatel.c +4
-0@@ -3642,6 +3658,10 @@ spec->mixer = stac92hd71bxx_mixer; spec->init = stac92hd71bxx_core_init;break ; +case 0x111d76b2 :/* Dell E6500 stac92hd71b7 configuration */ + spec->mixer = stac92hd71bxx_mixer; + spec->init = stac92hd71b7_core_init; +break ;default : spec->mixer = stac92hd71bxx_analog_mixer; spec->init = stac92hd71bxx_analog_core_init;
This needed updating to apply on the current alsa development tree. Please see below.
Note that this may now be wrong - various cases in patch_stac92hd71bxx() have recently been updated to modify codec->slave_dig_outs, but we're not doing that in the case of 0x111d76b2.
Please send us a Signed-off-by: for your patch, as per Documentation/Submittingpatches, thanks.
From: Klaas De Craemer <[email protected]>
Fix an issue on Dell E6500 notebooks with the Sigmatel stac92hd71b7 codec.
In the default snd-hda-intel configuration, the sound going to the headphone jack goes comes directly from the DAC, resulting in very low volume output. The patch changes the codec's widget connections so that the internal mixer is put in between and sets its input amplifiers to the maximum value. The output to the internal speaker port has been left untouched. I have tested this and it gives a much better output.
---
sound/pci/hda/patch_sigmatel.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+)
sound/pci/hda/patch_sigmatel.c renamed from sound/pci/hda/patch_sigmatel.c~alsa-sigmatel-stac92hd71b7-low-hp-volume +20 -0
@@ -855,6 +855,22 @@ static struct hda_verb stac92hd83xxx_cor { 0x01, AC_VERB_SET_EAPD, 1 << 2}, }; +static struct hda_verb stac92hd71b7_core_init[] = { +/* set master volume and direct control */ + {0x28 ,AC_VERB_SET_VOLUME_KNOB_CONTROL ,0xff }, +/* connect headphone jack to mixer */ + {0x0a ,AC_VERB_SET_CONNECT_SEL ,0x02 }, +/* unmute right and left channels for nodes 0x0a, 0xd, 0x0f */ + {0x0a ,AC_VERB_SET_AMP_GAIN_MUTE ,AMP_IN_UNMUTE (0 )}, + {0x0d ,AC_VERB_SET_AMP_GAIN_MUTE ,AMP_IN_UNMUTE (0 )}, + {0x0f ,AC_VERB_SET_AMP_GAIN_MUTE ,AMP_IN_UNMUTE (0 )}, + +/* Increase mixer volume for the two dac's */ + {0x17 ,0x370 ,0x7f }, + {0x17 ,0x371 ,0x7f }, + {} +}; +static struct hda_verb stac92hd71bxx_core_init[] = {/* set master volume and direct control */ { 0x28, AC_VERB_SET_VOLUME_KNOB_CONTROL, 0xff},
@@ -4354,6 +4370,10 @@ again: spec->init = stac92hd71bxx_core_init; codec->slave_dig_outs = stac92hd71bxx_slave_dig_outs;break ; +case 0x111d76b2 :/* Dell E6500 stac92hd71b7 configuration */ + spec->mixer = stac92hd71bxx_mixer; + spec->init = stac92hd71b7_core_init; +break ;case 0x111d7608 :/* 5 Port with Analog Mixer */ if ((codec->revision_id &0xf ) ==0 || (codec->revision_id &0xf ) ==1 ) {
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