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git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
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>
authored by Krzysztof Helt and committed by Jaroslav Kysela c68db717 af9a75dd
+10
sound/pci/ac97/ac97_codec.c
+10
sound/pci/ac97/ac97_codec.c
···
83
83
{ 0x4e534300, 0xffffff00, "National Semiconductor", NULL, NULL },
84
84
{ 0x50534300, 0xffffff00, "Philips", NULL, NULL },
85
85
{ 0x53494c00, 0xffffff00, "Silicon Laboratory", NULL, NULL },
86
+
{ 0x53544d00, 0xffffff00, "STMicroelectronics", NULL, NULL },
86
87
{ 0x54524100, 0xffffff00, "TriTech", NULL, NULL },
87
88
{ 0x54584e00, 0xffffff00, "Texas Instruments", NULL, NULL },
88
89
{ 0x56494100, 0xffffff00, "VIA Technologies", NULL, NULL },
···
162
161
{ 0x4e534350, 0xffffffff, "LM4550", patch_lm4550, NULL }, // volume wrap fix
163
162
{ 0x50534304, 0xffffffff, "UCB1400", patch_ucb1400, NULL },
164
163
{ 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH },
164
+
{ 0x53544d02, 0xffffffff, "ST7597", NULL, NULL },
165
165
{ 0x54524102, 0xffffffff, "TR28022", NULL, NULL },
166
166
{ 0x54524103, 0xffffffff, "TR28023", NULL, NULL },
167
167
{ 0x54524106, 0xffffffff, "TR28026", NULL, NULL },
···
215
213
{
216
214
/* filter some registers for buggy codecs */
217
215
switch (ac97->id) {
216
+
case AC97_ID_ST_AC97_ID4:
217
+
if (reg == 0x08)
218
+
return 0;
219
+
/* fall through */
220
+
case AC97_ID_ST7597:
221
+
if (reg == 0x22 || reg == 0x7a)
222
+
return 1;
223
+
/* fall through */
218
224
case AC97_ID_AK4540:
219
225
case AC97_ID_AK4542:
220
226
if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c)