diff options
Diffstat (limited to 'sound/pci/ac97/ac97_patch.c')
| -rw-r--r-- | sound/pci/ac97/ac97_patch.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/sound/pci/ac97/ac97_patch.c b/sound/pci/ac97/ac97_patch.c index 8bc79cbe32152..5c03b4b6f5c15 100644 --- a/sound/pci/ac97/ac97_patch.c +++ b/sound/pci/ac97/ac97_patch.c @@ -2825,3 +2825,34 @@ int mpatch_si3036(struct snd_ac97 * ac97) snd_ac97_write_cache(ac97, 0x68, 0); return 0; } + +/* + * LM 4550 Codec + * + * We use a static resolution table since LM4550 codec cannot be + * properly autoprobed to determine the resolution via + * check_volume_resolution(). + */ + +static struct snd_ac97_res_table lm4550_restbl[] = { + { AC97_MASTER, 0x1f1f }, + { AC97_HEADPHONE, 0x1f1f }, + { AC97_MASTER_MONO, 0x001f }, + { AC97_PC_BEEP, 0x001f }, /* LSB is ignored */ + { AC97_PHONE, 0x001f }, + { AC97_PHONE, 0x001f }, + { AC97_MIC, 0x001f }, + { AC97_LINE, 0x1f1f }, + { AC97_CD, 0x1f1f }, + { AC97_VIDEO, 0x1f1f }, + { AC97_AUX, 0x1f1f }, + { AC97_PCM, 0x1f1f }, + { AC97_REC_GAIN, 0x0f0f }, + { } /* terminator */ +}; + +int patch_lm4550(struct snd_ac97 *ac97) +{ + ac97->res_table = lm4550_restbl; + return 0; +} |