[ALSA] Add CM9780 support, fix CM9761 SPDIF
AC97 Codec
- Added CM9780 patch
- Fix the SPDIF support on CM9761/CM9780
- Allow the generic enum callback to pass any number (not power of 2)
as the value mask
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/ac97/ac97_codec.c b/sound/pci/ac97/ac97_codec.c
index 4ece205..61549b1 100644
--- a/sound/pci/ac97/ac97_codec.c
+++ b/sound/pci/ac97/ac97_codec.c
@@ -120,6 +120,7 @@
{ 0x414c4770, 0xfffffff0, "ALC203", NULL, NULL },
{ 0x434d4941, 0xffffffff, "CMI9738", patch_cm9738, NULL },
{ 0x434d4961, 0xffffffff, "CMI9739", patch_cm9739, NULL },
+{ 0x434d4969, 0xffffffff, "CMI9780", patch_cm9780, NULL },
{ 0x434d4978, 0xffffffff, "CMI9761", patch_cm9761, NULL },
{ 0x434d4982, 0xffffffff, "CMI9761", patch_cm9761, NULL },
{ 0x434d4983, 0xffffffff, "CMI9761", patch_cm9761, NULL },
@@ -462,12 +463,14 @@
{
ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
- unsigned short val;
+ unsigned short val, bitmask;
+ for (bitmask = 1; bitmask > e->mask; bitmask <<= 1)
+ ;
val = snd_ac97_read_cache(ac97, e->reg);
- ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (e->mask - 1);
+ ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1);
if (e->shift_l != e->shift_r)
- ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (e->mask - 1);
+ ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1);
return 0;
}
@@ -477,17 +480,19 @@
ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
unsigned short val;
- unsigned short mask;
+ unsigned short mask, bitmask;
+ for (bitmask = 1; bitmask > e->mask; bitmask <<= 1)
+ ;
if (ucontrol->value.enumerated.item[0] > e->mask - 1)
return -EINVAL;
val = ucontrol->value.enumerated.item[0] << e->shift_l;
- mask = (e->mask - 1) << e->shift_l;
+ mask = (bitmask - 1) << e->shift_l;
if (e->shift_l != e->shift_r) {
if (ucontrol->value.enumerated.item[1] > e->mask - 1)
return -EINVAL;
val |= ucontrol->value.enumerated.item[1] << e->shift_r;
- mask |= (e->mask - 1) << e->shift_r;
+ mask |= (bitmask - 1) << e->shift_r;
}
return snd_ac97_update_bits(ac97, e->reg, mask, val);
}