diff options
| author | James Courtier-Dutton <James@superbug.co.uk> | 2006-07-22 20:02:10 +0400 |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2006-09-23 12:38:32 +0400 |
| commit | 31508f83f591dc8764427b6321c89f8f9e84bad2 (patch) | |
| tree | e8b131303a9397232b33fbaaf5591f097f93af35 /sound/pci/emu10k1/emufx.c | |
| parent | fff36e472b4315df77513f4339c5c199c6aad28b (diff) | |
| download | linux-31508f83f591dc8764427b6321c89f8f9e84bad2.tar.xz | |
[ALSA] snd-emu10k1: Implement dB gain infomation.
Signed-off-by: James Courtier-Dutton <James@superbug.co.uk>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
Diffstat (limited to 'sound/pci/emu10k1/emufx.c')
| -rw-r--r-- | sound/pci/emu10k1/emufx.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/sound/pci/emu10k1/emufx.c b/sound/pci/emu10k1/emufx.c index dfba00230d4d..00fc904c251d 100644 --- a/sound/pci/emu10k1/emufx.c +++ b/sound/pci/emu10k1/emufx.c @@ -35,6 +35,7 @@ #include <linux/mutex.h> #include <sound/core.h> +#include <sound/tlv.h> #include <sound/emu10k1.h> #if 0 /* for testing purposes - digital out -> capture */ @@ -290,6 +291,9 @@ static const u32 db_table[101] = { 0x7fffffff, }; +/* EMU10k1/EMU10k2 DSP control db gain */ +static DECLARE_TLV_DB_SCALE(snd_emu10k1_db_scale1, -4000, 40, 1); + static const u32 onoff_table[2] = { 0x00000000, 0x00000001 }; @@ -755,6 +759,11 @@ static int snd_emu10k1_add_controls(struct snd_emu10k1 *emu, knew.device = gctl->id.device; knew.subdevice = gctl->id.subdevice; knew.info = snd_emu10k1_gpr_ctl_info; + if (gctl->tlv.p) { + knew.tlv.p = gctl->tlv.p; + knew.access = SNDRV_CTL_ELEM_ACCESS_READWRITE | + SNDRV_CTL_ELEM_ACCESS_TLV_READ; + } knew.get = snd_emu10k1_gpr_ctl_get; knew.put = snd_emu10k1_gpr_ctl_put; memset(nctl, 0, sizeof(*nctl)); @@ -1013,6 +1022,7 @@ snd_emu10k1_init_mono_control(struct snd_emu10k1_fx8010_control_gpr *ctl, ctl->gpr[0] = gpr + 0; ctl->value[0] = defval; ctl->min = 0; ctl->max = 100; + ctl->tlv.p = snd_emu10k1_db_scale1; ctl->translation = EMU10K1_GPR_TRANSLATION_TABLE100; } @@ -1027,6 +1037,7 @@ snd_emu10k1_init_stereo_control(struct snd_emu10k1_fx8010_control_gpr *ctl, ctl->gpr[1] = gpr + 1; ctl->value[1] = defval; ctl->min = 0; ctl->max = 100; + ctl->tlv.p = snd_emu10k1_db_scale1; ctl->translation = EMU10K1_GPR_TRANSLATION_TABLE100; } |