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authorKrzysztof Helt <krzysztof.h1@wp.pl>2010-01-10 17:21:14 +0100
committerJaroslav Kysela <perex@perex.cz>2010-01-10 19:03:09 +0100
commitc68db7175f4dcb3d5789bb50bea6376fb81f87fe (patch)
treea678c37174516c5c8e8334792ef8e7b1e0c7c826 /sound
parentaf9a75dd1a1f8a9aa406466cc8bb16208120488a (diff)
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ALSA: ac97: add AC97 STMicroelectronics' codecs
Add the STMicroelectronics ST7597 codec and an unknown codec from the same manufacturer found on the Creative SB 128 card (CT4810). Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Diffstat (limited to 'sound')
-rw-r--r--sound/pci/ac97/ac97_codec.c10
-rw-r--r--sound/pci/ac97/ac97_id.h2
2 files changed, 12 insertions, 0 deletions
diff --git a/sound/pci/ac97/ac97_codec.c b/sound/pci/ac97/ac97_codec.c
index c1192062300..a7630e9edf8 100644
--- a/sound/pci/ac97/ac97_codec.c
+++ b/sound/pci/ac97/ac97_codec.c
@@ -83,6 +83,7 @@ static const struct ac97_codec_id snd_ac97_codec_id_vendors[] = {
{ 0x4e534300, 0xffffff00, "National Semiconductor", NULL, NULL },
{ 0x50534300, 0xffffff00, "Philips", NULL, NULL },
{ 0x53494c00, 0xffffff00, "Silicon Laboratory", NULL, NULL },
+{ 0x53544d00, 0xffffff00, "STMicroelectronics", NULL, NULL },
{ 0x54524100, 0xffffff00, "TriTech", NULL, NULL },
{ 0x54584e00, 0xffffff00, "Texas Instruments", NULL, NULL },
{ 0x56494100, 0xffffff00, "VIA Technologies", NULL, NULL },
@@ -161,6 +162,7 @@ static const struct ac97_codec_id snd_ac97_codec_ids[] = {
{ 0x4e534350, 0xffffffff, "LM4550", patch_lm4550, NULL }, // volume wrap fix
{ 0x50534304, 0xffffffff, "UCB1400", patch_ucb1400, NULL },
{ 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH },
+{ 0x53544d02, 0xffffffff, "ST7597", NULL, NULL },
{ 0x54524102, 0xffffffff, "TR28022", NULL, NULL },
{ 0x54524103, 0xffffffff, "TR28023", NULL, NULL },
{ 0x54524106, 0xffffffff, "TR28026", NULL, NULL },
@@ -213,6 +215,14 @@ static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg)
{
/* filter some registers for buggy codecs */
switch (ac97->id) {
+ case AC97_ID_ST_AC97_ID4:
+ if (reg == 0x08)
+ return 0;
+ /* fall through */
+ case AC97_ID_ST7597:
+ if (reg == 0x22 || reg == 0x7a)
+ return 1;
+ /* fall through */
case AC97_ID_AK4540:
case AC97_ID_AK4542:
if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c)
diff --git a/sound/pci/ac97/ac97_id.h b/sound/pci/ac97/ac97_id.h
index c129492c82b..d603147c4a9 100644
--- a/sound/pci/ac97/ac97_id.h
+++ b/sound/pci/ac97/ac97_id.h
@@ -62,3 +62,5 @@
#define AC97_ID_CM9761_78 0x434d4978
#define AC97_ID_CM9761_82 0x434d4982
#define AC97_ID_CM9761_83 0x434d4983
+#define AC97_ID_ST7597 0x53544d02
+#define AC97_ID_ST_AC97_ID4 0x53544d04