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[ALSA] Keep private TLV entry in vmaster itself

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Use a private array for TLV entries of virtual master controls instead
of (supposed) static array.  This cleans up the existing codes.

Also, now vmaster assumes the simple dB-range TLV that is the only type
it can handle.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2008-02-18 13:05:50 +01:00
parent e922b0028f
commit 1c82ed1bc5
5 changed files with 16 additions and 15 deletions
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9
sound/core/vmaster.c
View File

@ -12,6 +12,7 @@
#include <linux/slab.h>
#include <sound/core.h>
#include <sound/control.h>
#include <sound/tlv.h>
/*
* a subset of information returned via ctl info callback
@ -34,6 +35,7 @@ struct link_master {
struct list_head slaves;
struct link_ctl_info info;
int val; /* the master value */
unsigned int tlv[4];
};
/*
@ -357,11 +359,12 @@ struct snd_kcontrol *snd_ctl_make_virtual_master(char *name,
kctl->private_free = master_free;
/* additional (constant) TLV read */
if (tlv) {
/* FIXME: this assumes that the max volume is 0 dB */
if (tlv && tlv[0] == SNDRV_CTL_TLVT_DB_SCALE) {
kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
kctl->tlv.p = tlv;
memcpy(master->tlv, tlv, sizeof(master->tlv));
kctl->tlv.p = master->tlv;
}
return kctl;
}

2
sound/pci/hda/Makefile
View File

@ -2,7 +2,7 @@ snd-hda-intel-y := hda_intel.o
# since snd-hda-intel is the only driver using hda-codec,
# merge it into a single module although it was originally
# designed to be individual modules
snd-hda-intel-y += hda_codec.o vmaster.o
snd-hda-intel-y += hda_codec.o
snd-hda-intel-$(CONFIG_PROC_FS) += hda_proc.o
snd-hda-intel-$(CONFIG_SND_HDA_HWDEP) += hda_hwdep.o
snd-hda-intel-$(CONFIG_SND_HDA_GENERIC) += hda_generic.o

6
sound/pci/hda/patch_analog.c
View File

@ -80,7 +80,6 @@ struct ad198x_spec {
#endif
/* for virtual master */
hda_nid_t vmaster_nid;
u32 vmaster_tlv[4];
const char **slave_vols;
const char **slave_sws;
};
@ -185,10 +184,11 @@ static int ad198x_build_controls(struct hda_codec *codec)
/* if we have no master control, let's create it */
if (!snd_hda_find_mixer_ctl(codec, "Master Playback Volume")) {
unsigned int vmaster_tlv[4];
snd_hda_set_vmaster_tlv(codec, spec->vmaster_nid,
HDA_OUTPUT, spec->vmaster_tlv);
HDA_OUTPUT, vmaster_tlv);
err = snd_hda_add_vmaster(codec, "Master Playback Volume",
spec->vmaster_tlv,
vmaster_tlv,
(spec->slave_vols ?
spec->slave_vols : ad_slave_vols));
if (err < 0)

6
sound/pci/hda/patch_realtek.c
View File

@ -272,7 +272,6 @@ struct alc_spec {
/* for virtual master */
hda_nid_t vmaster_nid;
u32 vmaster_tlv[4];
#ifdef CONFIG_SND_HDA_POWER_SAVE
struct hda_loopback_check loopback;
#endif
@ -1534,10 +1533,11 @@ static int alc_build_controls(struct hda_codec *codec)
/* if we have no master control, let's create it */
if (!snd_hda_find_mixer_ctl(codec, "Master Playback Volume")) {
unsigned int vmaster_tlv[4];
snd_hda_set_vmaster_tlv(codec, spec->vmaster_nid,
HDA_OUTPUT, spec->vmaster_tlv);
HDA_OUTPUT, vmaster_tlv);
err = snd_hda_add_vmaster(codec, "Master Playback Volume",
spec->vmaster_tlv, alc_slave_vols);
vmaster_tlv, alc_slave_vols);
if (err < 0)
return err;
}

8
sound/pci/hda/patch_sigmatel.c
View File

@ -186,9 +186,6 @@ struct sigmatel_spec {
struct hda_input_mux private_dimux;
struct hda_input_mux private_imux;
struct hda_input_mux private_mono_mux;
/* virtual master */
unsigned int vmaster_tlv[4];
};
static hda_nid_t stac9200_adc_nids[1] = {
@ -930,10 +927,11 @@ static int stac92xx_build_controls(struct hda_codec *codec)
/* if we have no master control, let's create it */
if (!snd_hda_find_mixer_ctl(codec, "Master Playback Volume")) {
unsigned int vmaster_tlv[4];
snd_hda_set_vmaster_tlv(codec, spec->multiout.dac_nids[0],
HDA_OUTPUT, spec->vmaster_tlv);
HDA_OUTPUT, vmaster_tlv);
err = snd_hda_add_vmaster(codec, "Master Playback Volume",
spec->vmaster_tlv, slave_vols);
vmaster_tlv, slave_vols);
if (err < 0)
return err;
}