Hi!
We need to enable External Amplifier on this laptops. This patch basicly
adds laptop-eapd model to ALC883 codec.
--- alsa-driver-1.0.13/alsa-kernel/Documentation/ALSA-Configuration.txt.orig 2006-09-29 15:40:32.000000000 +0400
+++ alsa-driver-1.0.13/alsa-kernel/Documentation/ALSA-Configuration.txt 2006-11-03 15:43:44.000000000 +0300
@@ -822,6 +822,7 @@ Prior to version 0.9.0rc4 options had a
3stack-6ch-dig 3-jack 6-channel with SPDIF I/O
6stack-dig-demo 6-jack digital for Intel demo board
acer Acer laptops (Travelmate 3012WTMi, Aspire 5600, etc)
+ laptop-eapd 3-jack with SPDIF I/O and EAPD (Clevo M540JE, M550JE)
auto auto-config reading BIOS (default)
ALC861/660
--- alsa-driver-1.0.13/alsa-kernel/pci/hda/patch_realtek.c.orig 2006-09-29 15:40:36.000000000 +0400
+++ alsa-driver-1.0.13/alsa-kernel/pci/hda/patch_realtek.c 2006-11-03 15:32:17.000000000 +0300
@@ -112,6 +112,7 @@ enum {
ALC883_6ST_DIG,
ALC888_DEMO_BOARD,
ALC883_ACER,
+ ALC883_LAPTOP_EAPD,
ALC883_AUTO,
ALC883_MODEL_LAST,
};
@@ -5080,6 +5081,9 @@ static struct hda_board_config alc883_cf
.config = ALC883_ACER },
{ .pci_subvendor = 0x1025, .pci_subdevice = 0x009f,
.config = ALC883_ACER },
+ { .modelname = "laptop-eapd", .config = ALC883_LAPTOP_EAPD },
+ { .pci_subvendor = 0x1558, .pci_subdevice = 0,
+ .config = ALC883_LAPTOP_EAPD }, /* Clevo */
{ .modelname = "auto", .config = ALC883_AUTO },
{}
};
@@ -5167,6 +5171,18 @@ static struct alc_config_preset alc883_p
.channel_mode = alc883_3ST_2ch_modes,
.input_mux = &alc883_capture_source,
},
+ [ALC883_LAPTOP_EAPD] = {
+ .mixers = { alc883_base_mixer,
+ alc883_chmode_mixer },
+ .init_verbs = { alc883_init_verbs, alc882_eapd_verbs },
+ .num_dacs = ARRAY_SIZE(alc883_dac_nids),
+ .dac_nids = alc883_dac_nids,
+ .num_adc_nids = ARRAY_SIZE(alc883_adc_nids),
+ .adc_nids = alc883_adc_nids,
+ .num_channel_mode = ARRAY_SIZE(alc883_3ST_2ch_modes),
+ .channel_mode = alc883_3ST_2ch_modes,
+ .input_mux = &alc883_capture_source,
+ },
};
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