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https://github.com/FEX-Emu/linux.git
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[ALSA] oxygen: add control filter to model struct
Allow the models to modify mixer controls before they are added to the card. Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Clemens Ladisch
Jaroslav Kysela
parent
e85e09250a
commit
ccc80fb467
@ -29,6 +29,7 @@
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*/
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#include <linux/pci.h>
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#include <sound/control.h>
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#include <sound/core.h>
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#include <sound/initval.h>
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#include <sound/pcm.h>
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@ -244,18 +245,27 @@ static void set_ak5385_params(struct oxygen *chip,
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static const DECLARE_TLV_DB_LINEAR(ak4396_db_scale, TLV_DB_GAIN_MUTE, 0);
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static int ak4396_control_filter(struct snd_kcontrol_new *template)
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{
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if (!strcmp(template->name, "Master Playback Volume")) {
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template->access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
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template->tlv.p = ak4396_db_scale;
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}
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return 0;
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}
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static const struct oxygen_model model_generic = {
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.shortname = "C-Media CMI8788",
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.longname = "C-Media Oxygen HD Audio",
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.chip = "CMI8788",
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.owner = THIS_MODULE,
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.init = generic_init,
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.control_filter = ak4396_control_filter,
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.cleanup = generic_cleanup,
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.set_dac_params = set_ak4396_params,
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.set_adc_params = set_wm8785_params,
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.update_dac_volume = update_ak4396_volume,
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.update_dac_mute = update_ak4396_mute,
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.dac_tlv = ak4396_db_scale,
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.used_channels = OXYGEN_CHANNEL_A |
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OXYGEN_CHANNEL_C |
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OXYGEN_CHANNEL_SPDIF |
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@ -269,12 +279,12 @@ static const struct oxygen_model model_meridian = {
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.chip = "CMI8788",
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.owner = THIS_MODULE,
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.init = meridian_init,
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.control_filter = ak4396_control_filter,
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.cleanup = generic_cleanup,
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.set_dac_params = set_ak4396_params,
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.set_adc_params = set_ak5385_params,
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.update_dac_volume = update_ak4396_volume,
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.update_dac_mute = update_ak4396_mute,
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.dac_tlv = ak4396_db_scale,
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.used_channels = OXYGEN_CHANNEL_B |
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OXYGEN_CHANNEL_C |
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OXYGEN_CHANNEL_SPDIF |
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@ -35,6 +35,7 @@ struct pci_dev;
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struct snd_card;
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struct snd_pcm_substream;
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struct snd_pcm_hw_params;
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struct snd_kcontrol_new;
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struct snd_rawmidi;
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struct oxygen_model;
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@ -71,6 +72,7 @@ struct oxygen_model {
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const char *chip;
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struct module *owner;
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void (*init)(struct oxygen *chip);
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int (*control_filter)(struct snd_kcontrol_new *template);
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int (*mixer_init)(struct oxygen *chip);
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void (*cleanup)(struct oxygen *chip);
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void (*set_dac_params)(struct oxygen *chip,
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@ -79,10 +81,7 @@ struct oxygen_model {
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struct snd_pcm_hw_params *params);
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void (*update_dac_volume)(struct oxygen *chip);
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void (*update_dac_mute)(struct oxygen *chip);
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const unsigned int *dac_tlv;
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u8 used_channels;
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u8 cd_in_from_video_in;
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u8 dac_minimum_volume;
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u8 function_flags;
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};
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@ -27,11 +27,9 @@
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static int dac_volume_info(struct snd_kcontrol *ctl,
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struct snd_ctl_elem_info *info)
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{
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struct oxygen *chip = ctl->private_data;
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info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
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info->count = 8;
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info->value.integer.min = chip->model->dac_minimum_volume;
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info->value.integer.min = 0;
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info->value.integer.max = 0xff;
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return 0;
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}
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@ -525,14 +523,10 @@ static const struct snd_kcontrol_new controls[] = {
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{
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
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.name = "Master Playback Volume",
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.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
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SNDRV_CTL_ELEM_ACCESS_TLV_READ,
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.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
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.info = dac_volume_info,
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.get = dac_volume_get,
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.put = dac_volume_put,
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.tlv = {
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.p = NULL, /* set later */
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},
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},
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{
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
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@ -635,18 +629,18 @@ static int add_controls(struct oxygen *chip,
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[CONTROL_AUX_CAPTURE_SWITCH] = "Aux Capture Switch",
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};
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unsigned int i, j;
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struct snd_kcontrol_new template;
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struct snd_kcontrol *ctl;
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int err;
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for (i = 0; i < count; ++i) {
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template = controls[i];
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err = chip->model->control_filter(&template);
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if (err < 0)
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return err;
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ctl = snd_ctl_new1(&controls[i], chip);
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if (!ctl)
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return -ENOMEM;
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if (!strcmp(ctl->id.name, "Master Playback Volume"))
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ctl->tlv.p = chip->model->dac_tlv;
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else if (chip->model->cd_in_from_video_in &&
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!strncmp(ctl->id.name, "CD Capture ", 11))
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ctl->private_value ^= AC97_CD ^ AC97_VIDEO;
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err = snd_ctl_add(chip->card, ctl);
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if (err < 0)
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return err;
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@ -32,6 +32,8 @@
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#include <linux/pci.h>
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#include <linux/delay.h>
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#include <linux/mutex.h>
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#include <sound/ac97_codec.h>
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#include <sound/control.h>
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#include <sound/core.h>
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#include <sound/initval.h>
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@ -167,6 +169,16 @@ static void set_cs5381_params(struct oxygen *chip,
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oxygen_write16_masked(chip, OXYGEN_GPIO_DATA, value, 0x000c);
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}
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static int pcm1796_volume_info(struct snd_kcontrol *ctl,
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struct snd_ctl_elem_info *info)
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{
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info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
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info->count = 8;
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info->value.integer.min = 0x0f;
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info->value.integer.max = 0xff;
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return 0;
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}
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static int alt_switch_get(struct snd_kcontrol *ctl,
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struct snd_ctl_elem_value *value)
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{
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@ -207,6 +219,18 @@ static const struct snd_kcontrol_new alt_switch = {
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static const DECLARE_TLV_DB_SCALE(pcm1796_db_scale, -12000, 50, 0);
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static int xonar_control_filter(struct snd_kcontrol_new *template)
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{
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if (!strcmp(template->name, "Master Playback Volume")) {
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template->access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
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template->info = pcm1796_volume_info,
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template->tlv.p = pcm1796_db_scale;
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} else if (!strncmp(template->name, "CD Capture ", 11)) {
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template->private_value ^= AC97_CD ^ AC97_VIDEO;
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}
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return 0;
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}
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static int xonar_mixer_init(struct oxygen *chip)
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{
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return snd_ctl_add(chip->card, snd_ctl_new1(&alt_switch, chip));
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@ -217,19 +241,17 @@ static const struct oxygen_model model_xonar = {
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.longname = "Asus Virtuoso 200",
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.chip = "AV200",
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.init = xonar_init,
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.control_filter = xonar_control_filter,
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.mixer_init = xonar_mixer_init,
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.cleanup = xonar_cleanup,
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.set_dac_params = set_pcm1796_params,
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.set_adc_params = set_cs5381_params,
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.update_dac_volume = update_pcm1796_volume,
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.update_dac_mute = update_pcm1796_mute,
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.dac_tlv = pcm1796_db_scale,
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.used_channels = OXYGEN_CHANNEL_B |
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OXYGEN_CHANNEL_C |
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OXYGEN_CHANNEL_SPDIF |
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OXYGEN_CHANNEL_MULTICH,
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.cd_in_from_video_in = 1,
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.dac_minimum_volume = 15,
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.function_flags = OXYGEN_FUNCTION_ENABLE_SPI_4_5,
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};
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