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[ALSA] Add dB scale information to ad1848 driver

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Added the dB scale information to ad1848 driver.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
This commit is contained in:
Takashi Iwai
2006-08-22 13:16:25 +02:00
committed by Jaroslav Kysela
parent 0e7febf158
commit eac06a10d2
2 changed files with 50 additions and 21 deletions
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22
include/sound/ad1848.h
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@@ -179,14 +179,13 @@ enum { AD1848_MIX_SINGLE, AD1848_MIX_DOUBLE, AD1848_MIX_CAPTURE };
#define AD1848_MIXVAL_DOUBLE(left_reg, right_reg, shift_left, shift_right, mask, invert) \
((left_reg) | ((right_reg) << 8) | ((shift_left) << 16) | ((shift_right) << 19) | ((mask) << 24) | ((invert) << 22))
int snd_ad1848_add_ctl(struct snd_ad1848 *chip, const char *name, int index, int type, unsigned long value);
/* for ease of use */
struct ad1848_mix_elem {
const char *name;
int index;
int type;
unsigned long private_value;
unsigned int *tlv;
};
#define AD1848_SINGLE(xname, xindex, reg, shift, mask, invert) \
@@ -195,15 +194,26 @@ struct ad1848_mix_elem {
.type = AD1848_MIX_SINGLE, \
.private_value = AD1848_MIXVAL_SINGLE(reg, shift, mask, invert) }
#define AD1848_SINGLE_TLV(xname, xindex, reg, shift, mask, invert, xtlv) \
{ .name = xname, \
.index = xindex, \
.type = AD1848_MIX_SINGLE, \
.private_value = AD1848_MIXVAL_SINGLE(reg, shift, mask, invert), \
.tlv = xtlv }
#define AD1848_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \
{ .name = xname, \
.index = xindex, \
.type = AD1848_MIX_DOUBLE, \
.private_value = AD1848_MIXVAL_DOUBLE(left_reg, right_reg, shift_left, shift_right, mask, invert) }
static inline int snd_ad1848_add_ctl_elem(struct snd_ad1848 *chip, const struct ad1848_mix_elem *c)
{
return snd_ad1848_add_ctl(chip, c->name, c->index, c->type, c->private_value);
}
#define AD1848_DOUBLE_TLV(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert, xtlv) \
{ .name = xname, \
.index = xindex, \
.type = AD1848_MIX_DOUBLE, \
.private_value = AD1848_MIXVAL_DOUBLE(left_reg, right_reg, shift_left, shift_right, mask, invert), \
.tlv = xtlv }
int snd_ad1848_add_ctl_elem(struct snd_ad1848 *chip, const struct ad1848_mix_elem *c);
#endif /* __SOUND_AD1848_H */