diff options
Diffstat (limited to 'sound/pci')
| -rw-r--r-- | sound/pci/ac97/ac97_codec.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/sound/pci/ac97/ac97_codec.c b/sound/pci/ac97/ac97_codec.c index 6108cdc5efb..124c1bc4cb9 100644 --- a/sound/pci/ac97/ac97_codec.c +++ b/sound/pci/ac97/ac97_codec.c @@ -1030,6 +1030,18 @@ static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned cha unsigned char max[3] = { 63, 31, 15 }; int i; + /* first look up the static resolution table */ + if (ac97->res_table) { + const struct snd_ac97_res_table *tbl; + for (tbl = ac97->res_table; tbl->reg; tbl++) { + if (tbl->reg == reg) { + *lo_max = tbl->bits & 0xff; + *hi_max = (tbl->bits >> 8) & 0xff; + return; + } + } + } + *lo_max = *hi_max = 0; for (i = 0 ; i < ARRAY_SIZE(cbit); i++) { unsigned short val; |