diff options
Diffstat (limited to 'sound/i2c/other')
| -rw-r--r-- | sound/i2c/other/ak4xxx-adda.c | 42 |
1 files changed, 29 insertions, 13 deletions
diff --git a/sound/i2c/other/ak4xxx-adda.c b/sound/i2c/other/ak4xxx-adda.c index 0aea536..89fc3cb 100644 --- a/sound/i2c/other/ak4xxx-adda.c +++ b/sound/i2c/other/ak4xxx-adda.c @@ -284,11 +284,13 @@ EXPORT_SYMBOL(snd_akm4xxx_init); #define AK_GET_CHIP(val) (((val) >> 8) & 0xff) #define AK_GET_ADDR(val) ((val) & 0xff) -#define AK_GET_SHIFT(val) (((val) >> 16) & 0x7f) +#define AK_GET_SHIFT(val) (((val) >> 16) & 0x3f) +#define AK_GET_NEEDSMSB(val) (((val) >> 22) & 1) #define AK_GET_INVERT(val) (((val) >> 23) & 1) #define AK_GET_MASK(val) (((val) >> 24) & 0xff) #define AK_COMPOSE(chip,addr,shift,mask) \ (((chip) << 8) | (addr) | ((shift) << 16) | ((mask) << 24)) +#define AK_NEEDSMSB (1<<22) #define AK_INVERT (1<<23) static int snd_akm4xxx_volume_info(struct snd_kcontrol *kcontrol, @@ -309,10 +311,13 @@ static int snd_akm4xxx_volume_get(struct snd_kcontrol *kcontrol, struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol); int chip = AK_GET_CHIP(kcontrol->private_value); int addr = AK_GET_ADDR(kcontrol->private_value); + int needsmsb = AK_GET_NEEDSMSB(kcontrol->private_value); int invert = AK_GET_INVERT(kcontrol->private_value); unsigned int mask = AK_GET_MASK(kcontrol->private_value); unsigned char val = snd_akm4xxx_get(ak, chip, addr); - + + if (needsmsb) + val &= 0x7f; ucontrol->value.integer.value[0] = invert ? mask - val : val; return 0; } @@ -323,6 +328,7 @@ static int snd_akm4xxx_volume_put(struct snd_kcontrol *kcontrol, struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol); int chip = AK_GET_CHIP(kcontrol->private_value); int addr = AK_GET_ADDR(kcontrol->private_value); + int needsmsb = AK_GET_NEEDSMSB(kcontrol->private_value); int invert = AK_GET_INVERT(kcontrol->private_value); unsigned int mask = AK_GET_MASK(kcontrol->private_value); unsigned char nval = ucontrol->value.integer.value[0] % (mask+1); @@ -330,6 +336,8 @@ static int snd_akm4xxx_volume_put(struct snd_kcontrol *kcontrol, if (invert) nval = mask - nval; + if (needsmsb) + nval |= 0x80; change = snd_akm4xxx_get(ak, chip, addr) != nval; if (change) snd_akm4xxx_write(ak, chip, addr, nval); @@ -354,13 +362,19 @@ static int snd_akm4xxx_stereo_volume_get(struct snd_kcontrol *kcontrol, struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol); int chip = AK_GET_CHIP(kcontrol->private_value); int addr = AK_GET_ADDR(kcontrol->private_value); + int needsmsb = AK_GET_NEEDSMSB(kcontrol->private_value); int invert = AK_GET_INVERT(kcontrol->private_value); unsigned int mask = AK_GET_MASK(kcontrol->private_value); - unsigned char val = snd_akm4xxx_get(ak, chip, addr); - + unsigned char val; + + val = snd_akm4xxx_get(ak, chip, addr); + if (needsmsb) + val &= 0x7f; ucontrol->value.integer.value[0] = invert ? mask - val : val; val = snd_akm4xxx_get(ak, chip, addr+1); + if (needsmsb) + val &= 0x7f; ucontrol->value.integer.value[1] = invert ? mask - val : val; return 0; @@ -372,6 +386,7 @@ static int snd_akm4xxx_stereo_volume_put(struct snd_kcontrol *kcontrol, struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol); int chip = AK_GET_CHIP(kcontrol->private_value); int addr = AK_GET_ADDR(kcontrol->private_value); + int needsmsb = AK_GET_NEEDSMSB(kcontrol->private_value); int invert = AK_GET_INVERT(kcontrol->private_value); unsigned int mask = AK_GET_MASK(kcontrol->private_value); unsigned char nval = ucontrol->value.integer.value[0] % (mask+1); @@ -379,6 +394,8 @@ static int snd_akm4xxx_stereo_volume_put(struct snd_kcontrol *kcontrol, if (invert) nval = mask - nval; + if (needsmsb) + nval |= 0x80; change0 = snd_akm4xxx_get(ak, chip, addr) != nval; if (change0) snd_akm4xxx_write(ak, chip, addr, nval); @@ -386,6 +403,8 @@ static int snd_akm4xxx_stereo_volume_put(struct snd_kcontrol *kcontrol, nval = ucontrol->value.integer.value[1] % (mask+1); if (invert) nval = mask - nval; + if (needsmsb) + nval |= 0x80; change1 = snd_akm4xxx_get(ak, chip, addr+1) != nval; if (change1) snd_akm4xxx_write(ak, chip, addr+1, nval); @@ -585,16 +604,13 @@ int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak) /* register 4-9, chip #0 only */ ctl->private_value = AK_COMPOSE(0, idx + 4, 0, 255); break; - case SND_AK4358: - if (idx >= 6) - /* register 4-9, chip #0 only */ - ctl->private_value = - AK_COMPOSE(0, idx + 5, 0, 255); - else - /* register 4-9, chip #0 only */ - ctl->private_value = - AK_COMPOSE(0, idx + 4, 0, 255); + case SND_AK4358: { + /* register 4-9 and 11-12, chip #0 only */ + int addr = idx < 6 ? idx + 4 : idx + 5; + ctl->private_value = + AK_COMPOSE(0, addr, 0, 127) | AK_NEEDSMSB; break; + } case SND_AK4381: /* register 3 & 4 */ ctl->private_value = |
