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Date: Fri, 15 Aug 2008 16:42:08 +0200
From: Takashi Iwai <tiwai@...e.de>
To: "Daniel J Blueman" <daniel.blueman@...il.com>
Cc: "Vegard Nossum" <vegard.nossum@...il.com>,
"Romano Giannetti" <romano@....icai.upcomillas.es>,
"Linux Kernel" <linux-kernel@...r.kernel.org>
Subject: Re: ALC883 recording troubles...
At Thu, 14 Aug 2008 20:10:03 +0100,
Daniel J Blueman wrote:
>
> Hi Takashi,
>
> I am still finding this recording +ve saturation on my ALC883 Intel
> HDA sound device with 2.6.27-rc3 (ie ALSA 1.0.17 drivers) and ALSA
> 1.0.16-1 libraries on Ubuntu Intrepid.
>
> The previous workaround still 'gets us out of jail':
>
> # ./hda-verb /dev/snd/hwC0D0 0x23 SET_AMP_GAIN_MUTE 0x7180
> nid = 0x23, verb = 0x300, param = 0x7180
> value = 0x0
Could you try the patch below? With this patch, unused connections
will be disabled. Let me know if it really works so that I can merge
it to git tree.
Takashi
---
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 9473abb..6f0485a 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -6442,6 +6442,40 @@ static void alc882_auto_init_analog_input(struct hda_codec *codec)
}
}
+static void alc882_auto_init_input_src(struct hda_codec *codec)
+{
+ struct alc_spec *spec = codec->spec;
+ const struct hda_input_mux *imux = spec->input_mux;
+ int c;
+
+ for (c = 0; c < spec->num_adc_nids; c++) {
+ hda_nid_t conn_list[10];
+ hda_nid_t nid = spec->capsrc_nids[c];
+ int conns, mute, idx, item;
+
+ conns = snd_hda_get_connections(codec, nid, conn_list,
+ ARRAY_SIZE(conn_list));
+ if (conns < 0)
+ continue;
+ mute = HDA_AMP_MUTE;
+ for (idx = 0; idx < conns; idx++) {
+ /* if the current connection is the selected one,
+ * unmute it as default - otherwise mute it
+ */
+ for (item = 0; item < imux->num_items; item++) {
+ if (imux->items[item].index == idx) {
+ if (spec->cur_mux[c] == item)
+ mute = 0;
+ break;
+ }
+ }
+ snd_hda_codec_amp_stereo(codec, nid, HDA_INPUT,
+ idx, HDA_AMP_MUTE, mute);
+ }
+
+ }
+}
+
/* add mic boosts if needed */
static int alc_auto_add_mic_boost(struct hda_codec *codec)
{
@@ -6496,6 +6530,7 @@ static void alc882_auto_init(struct hda_codec *codec)
alc882_auto_init_multi_out(codec);
alc882_auto_init_hp_out(codec);
alc882_auto_init_analog_input(codec);
+ alc882_auto_init_input_src(codec);
if (spec->unsol_event)
alc_sku_automute(codec);
}
@@ -8290,6 +8325,8 @@ static void alc883_auto_init_analog_input(struct hda_codec *codec)
}
}
+#define alc883_auto_init_input_src alc882_auto_init_input_src
+
/* almost identical with ALC880 parser... */
static int alc883_parse_auto_config(struct hda_codec *codec)
{
@@ -8320,6 +8357,7 @@ static void alc883_auto_init(struct hda_codec *codec)
alc883_auto_init_multi_out(codec);
alc883_auto_init_hp_out(codec);
alc883_auto_init_analog_input(codec);
+ alc883_auto_init_input_src(codec);
if (spec->unsol_event)
alc_sku_automute(codec);
}
@@ -9703,6 +9741,7 @@ static int alc262_parse_auto_config(struct hda_codec *codec)
#define alc262_auto_init_multi_out alc882_auto_init_multi_out
#define alc262_auto_init_hp_out alc882_auto_init_hp_out
#define alc262_auto_init_analog_input alc882_auto_init_analog_input
+#define alc262_auto_init_input_src alc882_auto_init_input_src
/* init callback for auto-configuration model -- overriding the default init */
@@ -9712,6 +9751,7 @@ static void alc262_auto_init(struct hda_codec *codec)
alc262_auto_init_multi_out(codec);
alc262_auto_init_hp_out(codec);
alc262_auto_init_analog_input(codec);
+ alc262_auto_init_input_src(codec);
if (spec->unsol_event)
alc_sku_automute(codec);
}
@@ -13382,6 +13422,8 @@ static void alc861vd_auto_init_analog_input(struct hda_codec *codec)
}
}
+#define alc861vd_auto_init_input_src alc882_auto_init_input_src
+
#define alc861vd_idx_to_mixer_vol(nid) ((nid) + 0x02)
#define alc861vd_idx_to_mixer_switch(nid) ((nid) + 0x0c)
@@ -13564,6 +13606,7 @@ static void alc861vd_auto_init(struct hda_codec *codec)
alc861vd_auto_init_multi_out(codec);
alc861vd_auto_init_hp_out(codec);
alc861vd_auto_init_analog_input(codec);
+ alc861vd_auto_init_input_src(codec);
if (spec->unsol_event)
alc_sku_automute(codec);
}
@@ -14729,6 +14772,8 @@ static void alc662_auto_init_analog_input(struct hda_codec *codec)
}
}
+#define alc662_auto_init_input_src alc882_auto_init_input_src
+
static int alc662_parse_auto_config(struct hda_codec *codec)
{
struct alc_spec *spec = codec->spec;
@@ -14785,6 +14830,7 @@ static void alc662_auto_init(struct hda_codec *codec)
alc662_auto_init_multi_out(codec);
alc662_auto_init_hp_out(codec);
alc662_auto_init_analog_input(codec);
+ alc662_auto_init_input_src(codec);
if (spec->unsol_event)
alc_sku_automute(codec);
}
--
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