ALSA: usb-audio: More constifications
Apply const prefix to the remaining places: the static table for the unit information, the mixer maps, the validator tables, etc. Just for minor optimization and no functional changes. Link: https://lore.kernel.org/r/20200105144823.29547-12-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai
parent
1675bfc0fb
commit
a01df925d1
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@ -1020,7 +1020,7 @@ struct usb_feature_control_info {
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int type_uac2; /* data type for uac2 if different from uac1, else -1 */
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};
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static struct usb_feature_control_info audio_feature_info[] = {
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static const struct usb_feature_control_info audio_feature_info[] = {
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{ UAC_FU_MUTE, "Mute", USB_MIXER_INV_BOOLEAN, -1 },
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{ UAC_FU_VOLUME, "Volume", USB_MIXER_S16, -1 },
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{ UAC_FU_BASS, "Tone Control - Bass", USB_MIXER_S8, -1 },
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@ -1526,7 +1526,7 @@ static void check_no_speaker_on_headset(struct snd_kcontrol *kctl,
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strlcpy(kctl->id.name, "Headphone", sizeof(kctl->id.name));
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}
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static struct usb_feature_control_info *get_feature_control_info(int control)
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static const struct usb_feature_control_info *get_feature_control_info(int control)
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{
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int i;
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@ -1544,7 +1544,7 @@ static void __build_feature_ctl(struct usb_mixer_interface *mixer,
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struct usb_audio_term *oterm,
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int unitid, int nameid, int readonly_mask)
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{
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struct usb_feature_control_info *ctl_info;
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const struct usb_feature_control_info *ctl_info;
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unsigned int len = 0;
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int mapped_name = 0;
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struct snd_kcontrol *kctl;
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@ -2198,7 +2198,7 @@ static const struct snd_kcontrol_new mixer_procunit_ctl = {
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*/
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struct procunit_value_info {
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int control;
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char *suffix;
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const char *suffix;
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int val_type;
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int min_value;
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};
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@ -2206,44 +2206,44 @@ struct procunit_value_info {
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struct procunit_info {
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int type;
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char *name;
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struct procunit_value_info *values;
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const struct procunit_value_info *values;
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};
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static struct procunit_value_info undefined_proc_info[] = {
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static const struct procunit_value_info undefined_proc_info[] = {
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{ 0x00, "Control Undefined", 0 },
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{ 0 }
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};
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static struct procunit_value_info updown_proc_info[] = {
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static const struct procunit_value_info updown_proc_info[] = {
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{ UAC_UD_ENABLE, "Switch", USB_MIXER_BOOLEAN },
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{ UAC_UD_MODE_SELECT, "Mode Select", USB_MIXER_U8, 1 },
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{ 0 }
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};
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static struct procunit_value_info prologic_proc_info[] = {
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static const struct procunit_value_info prologic_proc_info[] = {
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{ UAC_DP_ENABLE, "Switch", USB_MIXER_BOOLEAN },
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{ UAC_DP_MODE_SELECT, "Mode Select", USB_MIXER_U8, 1 },
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{ 0 }
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};
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static struct procunit_value_info threed_enh_proc_info[] = {
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static const struct procunit_value_info threed_enh_proc_info[] = {
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{ UAC_3D_ENABLE, "Switch", USB_MIXER_BOOLEAN },
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{ UAC_3D_SPACE, "Spaciousness", USB_MIXER_U8 },
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{ 0 }
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};
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static struct procunit_value_info reverb_proc_info[] = {
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static const struct procunit_value_info reverb_proc_info[] = {
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{ UAC_REVERB_ENABLE, "Switch", USB_MIXER_BOOLEAN },
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{ UAC_REVERB_LEVEL, "Level", USB_MIXER_U8 },
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{ UAC_REVERB_TIME, "Time", USB_MIXER_U16 },
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{ UAC_REVERB_FEEDBACK, "Feedback", USB_MIXER_U8 },
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{ 0 }
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};
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static struct procunit_value_info chorus_proc_info[] = {
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static const struct procunit_value_info chorus_proc_info[] = {
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{ UAC_CHORUS_ENABLE, "Switch", USB_MIXER_BOOLEAN },
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{ UAC_CHORUS_LEVEL, "Level", USB_MIXER_U8 },
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{ UAC_CHORUS_RATE, "Rate", USB_MIXER_U16 },
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{ UAC_CHORUS_DEPTH, "Depth", USB_MIXER_U16 },
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{ 0 }
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};
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static struct procunit_value_info dcr_proc_info[] = {
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static const struct procunit_value_info dcr_proc_info[] = {
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{ UAC_DCR_ENABLE, "Switch", USB_MIXER_BOOLEAN },
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{ UAC_DCR_RATE, "Ratio", USB_MIXER_U16 },
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{ UAC_DCR_MAXAMPL, "Max Amp", USB_MIXER_S16 },
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@ -2253,7 +2253,7 @@ static struct procunit_value_info dcr_proc_info[] = {
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{ 0 }
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};
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static struct procunit_info procunits[] = {
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static const struct procunit_info procunits[] = {
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{ UAC_PROCESS_UP_DOWNMIX, "Up Down", updown_proc_info },
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{ UAC_PROCESS_DOLBY_PROLOGIC, "Dolby Prologic", prologic_proc_info },
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{ UAC_PROCESS_STEREO_EXTENDER, "3D Stereo Extender", threed_enh_proc_info },
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@ -2263,16 +2263,16 @@ static struct procunit_info procunits[] = {
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{ 0 },
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};
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static struct procunit_value_info uac3_updown_proc_info[] = {
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static const struct procunit_value_info uac3_updown_proc_info[] = {
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{ UAC3_UD_MODE_SELECT, "Mode Select", USB_MIXER_U8, 1 },
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{ 0 }
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};
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static struct procunit_value_info uac3_stereo_ext_proc_info[] = {
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static const struct procunit_value_info uac3_stereo_ext_proc_info[] = {
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{ UAC3_EXT_WIDTH_CONTROL, "Width Control", USB_MIXER_U8 },
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{ 0 }
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};
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static struct procunit_info uac3_procunits[] = {
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static const struct procunit_info uac3_procunits[] = {
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{ UAC3_PROCESS_UP_DOWNMIX, "Up Down", uac3_updown_proc_info },
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{ UAC3_PROCESS_STEREO_EXTENDER, "3D Stereo Extender", uac3_stereo_ext_proc_info },
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{ UAC3_PROCESS_MULTI_FUNCTION, "Multi-Function", undefined_proc_info },
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@ -2282,23 +2282,23 @@ static struct procunit_info uac3_procunits[] = {
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/*
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* predefined data for extension units
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*/
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static struct procunit_value_info clock_rate_xu_info[] = {
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static const struct procunit_value_info clock_rate_xu_info[] = {
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{ USB_XU_CLOCK_RATE_SELECTOR, "Selector", USB_MIXER_U8, 0 },
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{ 0 }
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};
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static struct procunit_value_info clock_source_xu_info[] = {
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static const struct procunit_value_info clock_source_xu_info[] = {
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{ USB_XU_CLOCK_SOURCE_SELECTOR, "External", USB_MIXER_BOOLEAN },
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{ 0 }
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};
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static struct procunit_value_info spdif_format_xu_info[] = {
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static const struct procunit_value_info spdif_format_xu_info[] = {
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{ USB_XU_DIGITAL_FORMAT_SELECTOR, "SPDIF/AC3", USB_MIXER_BOOLEAN },
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{ 0 }
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};
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static struct procunit_value_info soft_limit_xu_info[] = {
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static const struct procunit_value_info soft_limit_xu_info[] = {
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{ USB_XU_SOFT_LIMIT_SELECTOR, " ", USB_MIXER_BOOLEAN },
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{ 0 }
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};
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static struct procunit_info extunits[] = {
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static const struct procunit_info extunits[] = {
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{ USB_XU_CLOCK_RATE, "Clock rate", clock_rate_xu_info },
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{ USB_XU_CLOCK_SOURCE, "DigitalIn CLK source", clock_source_xu_info },
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{ USB_XU_DIGITAL_IO_STATUS, "DigitalOut format:", spdif_format_xu_info },
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@ -2310,7 +2310,7 @@ static struct procunit_info extunits[] = {
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* build a processing/extension unit
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*/
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static int build_audio_procunit(struct mixer_build *state, int unitid,
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void *raw_desc, struct procunit_info *list,
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void *raw_desc, const struct procunit_info *list,
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bool extension_unit)
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{
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struct uac_processing_unit_descriptor *desc = raw_desc;
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@ -2318,14 +2318,14 @@ static int build_audio_procunit(struct mixer_build *state, int unitid,
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struct usb_mixer_elem_info *cval;
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struct snd_kcontrol *kctl;
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int i, err, nameid, type, len;
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struct procunit_info *info;
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struct procunit_value_info *valinfo;
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const struct procunit_info *info;
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const struct procunit_value_info *valinfo;
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const struct usbmix_name_map *map;
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static struct procunit_value_info default_value_info[] = {
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static const struct procunit_value_info default_value_info[] = {
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{ 0x01, "Switch", USB_MIXER_BOOLEAN },
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{ 0 }
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};
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static struct procunit_info default_info = {
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static const struct procunit_info default_info = {
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0, NULL, default_value_info
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};
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const char *name = extension_unit ?
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@ -2803,7 +2803,7 @@ struct uac3_badd_profile {
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int st_chmask; /* side tone mixing channel mask */
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};
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static struct uac3_badd_profile uac3_badd_profiles[] = {
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static const struct uac3_badd_profile uac3_badd_profiles[] = {
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{
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/*
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* BAIF, BAOF or combination of both
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@ -2864,7 +2864,7 @@ static struct uac3_badd_profile uac3_badd_profiles[] = {
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};
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static bool uac3_badd_func_has_valid_channels(struct usb_mixer_interface *mixer,
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struct uac3_badd_profile *f,
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const struct uac3_badd_profile *f,
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int c_chmask, int p_chmask)
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{
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/*
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@ -2908,7 +2908,7 @@ static int snd_usb_mixer_controls_badd(struct usb_mixer_interface *mixer,
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struct usb_device *dev = mixer->chip->dev;
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struct usb_interface_assoc_descriptor *assoc;
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int badd_profile = mixer->chip->badd_profile;
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struct uac3_badd_profile *f;
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const struct uac3_badd_profile *f;
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const struct usbmix_ctl_map *map;
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int p_chmask = 0, c_chmask = 0, st_chmask = 0;
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int i;
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@ -3174,7 +3174,7 @@ static void snd_usb_mixer_dump_cval(struct snd_info_buffer *buffer,
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struct usb_mixer_elem_list *list)
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{
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struct usb_mixer_elem_info *cval = mixer_elem_list_to_info(list);
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static char *val_types[] = {"BOOLEAN", "INV_BOOLEAN",
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static const char * const val_types[] = {"BOOLEAN", "INV_BOOLEAN",
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"S8", "U8", "S16", "U16"};
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snd_iprintf(buffer, " Info: id=%i, control=%i, cmask=0x%x, "
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"channels=%i, type=\"%s\"\n", cval->head.id,
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@ -14,7 +14,7 @@ struct usbmix_name_map {
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int id;
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const char *name;
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int control;
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struct usbmix_dB_map *dB;
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const struct usbmix_dB_map *dB;
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};
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struct usbmix_selector_map {
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@ -52,7 +52,7 @@ Mic-IN[9] --+->FU[10]----------------------------+ |
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++--+->SU[11]-->FU[12] --------------------------------------------------------------------------------------> USB_OUT[13]
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*/
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static struct usbmix_name_map extigy_map[] = {
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static const struct usbmix_name_map extigy_map[] = {
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/* 1: IT pcm */
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{ 2, "PCM Playback" }, /* FU */
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/* 3: IT pcm */
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@ -93,12 +93,12 @@ static struct usbmix_name_map extigy_map[] = {
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* e.g. no Master and fake PCM volume
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* Pavel Mihaylov <bin@bash.info>
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*/
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static struct usbmix_dB_map mp3plus_dB_1 = {.min = -4781, .max = 0};
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static const struct usbmix_dB_map mp3plus_dB_1 = {.min = -4781, .max = 0};
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/* just guess */
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static struct usbmix_dB_map mp3plus_dB_2 = {.min = -1781, .max = 618};
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static const struct usbmix_dB_map mp3plus_dB_2 = {.min = -1781, .max = 618};
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/* just guess */
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static struct usbmix_name_map mp3plus_map[] = {
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static const struct usbmix_name_map mp3plus_map[] = {
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/* 1: IT pcm */
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/* 2: IT mic */
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/* 3: IT line */
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@ -139,7 +139,7 @@ Lin_IN[7]-+--->FU[8]---+ +->EU[23]->FU[28]------------->Spk_OUT[19]
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| ^
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+->FU[13]--------------------------------------+
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*/
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static struct usbmix_name_map audigy2nx_map[] = {
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static const struct usbmix_name_map audigy2nx_map[] = {
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/* 1: IT pcm playback */
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/* 4: IT digital in */
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{ 6, "Digital In Playback" }, /* FU */
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@ -167,12 +167,12 @@ static struct usbmix_name_map audigy2nx_map[] = {
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{ 0 } /* terminator */
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};
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static struct usbmix_name_map mbox1_map[] = {
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static const struct usbmix_name_map mbox1_map[] = {
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{ 1, "Clock" },
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{ 0 } /* terminator */
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};
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static struct usbmix_selector_map c400_selectors[] = {
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static const struct usbmix_selector_map c400_selectors[] = {
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{
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.id = 0x80,
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.count = 2,
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@ -181,7 +181,7 @@ static struct usbmix_selector_map c400_selectors[] = {
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{ 0 } /* terminator */
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};
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static struct usbmix_selector_map audigy2nx_selectors[] = {
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static const struct usbmix_selector_map audigy2nx_selectors[] = {
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{
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.id = 14, /* Capture Source */
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.count = 3,
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@ -201,21 +201,21 @@ static struct usbmix_selector_map audigy2nx_selectors[] = {
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};
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/* Creative SoundBlaster Live! 24-bit External */
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static struct usbmix_name_map live24ext_map[] = {
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static const struct usbmix_name_map live24ext_map[] = {
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/* 2: PCM Playback Volume */
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{ 5, "Mic Capture" }, /* FU, default PCM Capture Volume */
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{ 0 } /* terminator */
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};
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/* LineX FM Transmitter entry - needed to bypass controls bug */
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static struct usbmix_name_map linex_map[] = {
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static const struct usbmix_name_map linex_map[] = {
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/* 1: IT pcm */
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/* 2: OT Speaker */
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{ 3, "Master" }, /* FU: master volume - left / right / mute */
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{ 0 } /* terminator */
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};
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static struct usbmix_name_map maya44_map[] = {
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static const struct usbmix_name_map maya44_map[] = {
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/* 1: IT line */
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{ 2, "Line Playback" }, /* FU */
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/* 3: IT line */
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@ -238,7 +238,7 @@ static struct usbmix_name_map maya44_map[] = {
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* so this map removes all unwanted sliders from alsamixer
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*/
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static struct usbmix_name_map justlink_map[] = {
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static const struct usbmix_name_map justlink_map[] = {
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/* 1: IT pcm playback */
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/* 2: Not present */
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{ 3, NULL}, /* IT mic (No mic input on device) */
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@ -255,7 +255,7 @@ static struct usbmix_name_map justlink_map[] = {
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};
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/* TerraTec Aureon 5.1 MkII USB */
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static struct usbmix_name_map aureon_51_2_map[] = {
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static const struct usbmix_name_map aureon_51_2_map[] = {
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/* 1: IT USB */
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/* 2: IT Mic */
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/* 3: IT Line */
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@ -274,7 +274,7 @@ static struct usbmix_name_map aureon_51_2_map[] = {
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{} /* terminator */
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};
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static struct usbmix_name_map scratch_live_map[] = {
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static const struct usbmix_name_map scratch_live_map[] = {
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/* 1: IT Line 1 (USB streaming) */
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/* 2: OT Line 1 (Speaker) */
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/* 3: IT Line 1 (Line connector) */
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@ -290,7 +290,7 @@ static struct usbmix_name_map scratch_live_map[] = {
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{ 0 } /* terminator */
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};
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static struct usbmix_name_map ebox44_map[] = {
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static const struct usbmix_name_map ebox44_map[] = {
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{ 4, NULL }, /* FU */
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{ 6, NULL }, /* MU */
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{ 7, NULL }, /* FU */
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@ -305,7 +305,7 @@ static struct usbmix_name_map ebox44_map[] = {
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* FIXME: or mp3plus_map should use "Capture Source" too,
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* so this maps can be merget
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*/
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static struct usbmix_name_map hercules_usb51_map[] = {
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static const struct usbmix_name_map hercules_usb51_map[] = {
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{ 8, "Capture Source" }, /* SU, default "PCM Capture Source" */
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{ 9, "Master Playback" }, /* FU, default "Speaker Playback" */
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{ 10, "Mic Boost", 7 }, /* FU, default "Auto Gain Input" */
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@ -316,7 +316,7 @@ static struct usbmix_name_map hercules_usb51_map[] = {
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};
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/* Plantronics Gamecom 780 has a broken volume control, better to disable it */
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static struct usbmix_name_map gamecom780_map[] = {
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static const struct usbmix_name_map gamecom780_map[] = {
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{ 9, NULL }, /* FU, speaker out */
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{}
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};
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@ -330,8 +330,8 @@ static const struct usbmix_name_map scms_usb3318_map[] = {
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};
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/* Bose companion 5, the dB conversion factor is 16 instead of 256 */
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static struct usbmix_dB_map bose_companion5_dB = {-5006, -6};
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static struct usbmix_name_map bose_companion5_map[] = {
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static const struct usbmix_dB_map bose_companion5_dB = {-5006, -6};
|
||||
static const struct usbmix_name_map bose_companion5_map[] = {
|
||||
{ 3, NULL, .dB = &bose_companion5_dB },
|
||||
{ 0 } /* terminator */
|
||||
};
|
||||
|
|
@ -363,7 +363,7 @@ static const struct usbmix_name_map corsair_virtuoso_map[] = {
|
|||
* Control map entries
|
||||
*/
|
||||
|
||||
static struct usbmix_ctl_map usbmix_ctl_maps[] = {
|
||||
static const struct usbmix_ctl_map usbmix_ctl_maps[] = {
|
||||
{
|
||||
.id = USB_ID(0x041e, 0x3000),
|
||||
.map = extigy_map,
|
||||
|
|
@ -495,37 +495,37 @@ static struct usbmix_ctl_map usbmix_ctl_maps[] = {
|
|||
* Control map entries for UAC3 BADD profiles
|
||||
*/
|
||||
|
||||
static struct usbmix_name_map uac3_badd_generic_io_map[] = {
|
||||
static const struct usbmix_name_map uac3_badd_generic_io_map[] = {
|
||||
{ UAC3_BADD_FU_ID2, "Generic Out Playback" },
|
||||
{ UAC3_BADD_FU_ID5, "Generic In Capture" },
|
||||
{ 0 } /* terminator */
|
||||
};
|
||||
static struct usbmix_name_map uac3_badd_headphone_map[] = {
|
||||
static const struct usbmix_name_map uac3_badd_headphone_map[] = {
|
||||
{ UAC3_BADD_FU_ID2, "Headphone Playback" },
|
||||
{ 0 } /* terminator */
|
||||
};
|
||||
static struct usbmix_name_map uac3_badd_speaker_map[] = {
|
||||
static const struct usbmix_name_map uac3_badd_speaker_map[] = {
|
||||
{ UAC3_BADD_FU_ID2, "Speaker Playback" },
|
||||
{ 0 } /* terminator */
|
||||
};
|
||||
static struct usbmix_name_map uac3_badd_microphone_map[] = {
|
||||
static const struct usbmix_name_map uac3_badd_microphone_map[] = {
|
||||
{ UAC3_BADD_FU_ID5, "Mic Capture" },
|
||||
{ 0 } /* terminator */
|
||||
};
|
||||
/* Covers also 'headset adapter' profile */
|
||||
static struct usbmix_name_map uac3_badd_headset_map[] = {
|
||||
static const struct usbmix_name_map uac3_badd_headset_map[] = {
|
||||
{ UAC3_BADD_FU_ID2, "Headset Playback" },
|
||||
{ UAC3_BADD_FU_ID5, "Headset Capture" },
|
||||
{ UAC3_BADD_FU_ID7, "Sidetone Mixing" },
|
||||
{ 0 } /* terminator */
|
||||
};
|
||||
static struct usbmix_name_map uac3_badd_speakerphone_map[] = {
|
||||
static const struct usbmix_name_map uac3_badd_speakerphone_map[] = {
|
||||
{ UAC3_BADD_FU_ID2, "Speaker Playback" },
|
||||
{ UAC3_BADD_FU_ID5, "Mic Capture" },
|
||||
{ 0 } /* terminator */
|
||||
};
|
||||
|
||||
static struct usbmix_ctl_map uac3_badd_usbmix_ctl_maps[] = {
|
||||
static const struct usbmix_ctl_map uac3_badd_usbmix_ctl_maps[] = {
|
||||
{
|
||||
.id = UAC3_FUNCTION_SUBCLASS_GENERIC_IO,
|
||||
.map = uac3_badd_generic_io_map,
|
||||
|
|
|
|||
|
|
@ -119,7 +119,7 @@ static int snd_create_std_mono_ctl(struct usb_mixer_interface *mixer,
|
|||
* Create a set of standard UAC controls from a table
|
||||
*/
|
||||
static int snd_create_std_mono_table(struct usb_mixer_interface *mixer,
|
||||
struct std_mono_table *t)
|
||||
const struct std_mono_table *t)
|
||||
{
|
||||
int err;
|
||||
|
||||
|
|
@ -1386,7 +1386,7 @@ static int snd_c400_create_mixer(struct usb_mixer_interface *mixer)
|
|||
* are valid they presents mono controls as L and R channels of
|
||||
* stereo. So we provide a good mixer here.
|
||||
*/
|
||||
static struct std_mono_table ebox44_table[] = {
|
||||
static const struct std_mono_table ebox44_table[] = {
|
||||
{
|
||||
.unitid = 4,
|
||||
.control = 1,
|
||||
|
|
@ -1691,7 +1691,7 @@ static const struct snd_kcontrol_new snd_microii_mixer_spdif[] = {
|
|||
static int snd_microii_controls_create(struct usb_mixer_interface *mixer)
|
||||
{
|
||||
int err, i;
|
||||
static usb_mixer_elem_resume_func_t resume_funcs[] = {
|
||||
const static usb_mixer_elem_resume_func_t resume_funcs[] = {
|
||||
snd_microii_spdif_default_update,
|
||||
NULL,
|
||||
snd_microii_spdif_switch_update
|
||||
|
|
|
|||
|
|
@ -633,7 +633,7 @@ static int add_output_ctls(struct usb_mixer_interface *mixer,
|
|||
/********************** device-specific config *************************/
|
||||
|
||||
/* untested... */
|
||||
static struct scarlett_device_info s6i6_info = {
|
||||
static const struct scarlett_device_info s6i6_info = {
|
||||
.matrix_in = 18,
|
||||
.matrix_out = 8,
|
||||
.input_len = 6,
|
||||
|
|
@ -675,7 +675,7 @@ static struct scarlett_device_info s6i6_info = {
|
|||
};
|
||||
|
||||
/* untested... */
|
||||
static struct scarlett_device_info s8i6_info = {
|
||||
static const struct scarlett_device_info s8i6_info = {
|
||||
.matrix_in = 18,
|
||||
.matrix_out = 6,
|
||||
.input_len = 8,
|
||||
|
|
@ -714,7 +714,7 @@ static struct scarlett_device_info s8i6_info = {
|
|||
}
|
||||
};
|
||||
|
||||
static struct scarlett_device_info s18i6_info = {
|
||||
static const struct scarlett_device_info s18i6_info = {
|
||||
.matrix_in = 18,
|
||||
.matrix_out = 6,
|
||||
.input_len = 18,
|
||||
|
|
@ -751,7 +751,7 @@ static struct scarlett_device_info s18i6_info = {
|
|||
}
|
||||
};
|
||||
|
||||
static struct scarlett_device_info s18i8_info = {
|
||||
static const struct scarlett_device_info s18i8_info = {
|
||||
.matrix_in = 18,
|
||||
.matrix_out = 8,
|
||||
.input_len = 18,
|
||||
|
|
@ -793,7 +793,7 @@ static struct scarlett_device_info s18i8_info = {
|
|||
}
|
||||
};
|
||||
|
||||
static struct scarlett_device_info s18i20_info = {
|
||||
static const struct scarlett_device_info s18i20_info = {
|
||||
.matrix_in = 18,
|
||||
.matrix_out = 8,
|
||||
.input_len = 18,
|
||||
|
|
@ -843,7 +843,7 @@ static struct scarlett_device_info s18i20_info = {
|
|||
|
||||
|
||||
static int scarlett_controls_create_generic(struct usb_mixer_interface *mixer,
|
||||
struct scarlett_device_info *info)
|
||||
const struct scarlett_device_info *info)
|
||||
{
|
||||
int i, err;
|
||||
char mx[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
|
||||
|
|
@ -915,7 +915,7 @@ int snd_scarlett_controls_create(struct usb_mixer_interface *mixer)
|
|||
{
|
||||
int err, i, o;
|
||||
char mx[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
|
||||
struct scarlett_device_info *info;
|
||||
const struct scarlett_device_info *info;
|
||||
struct usb_mixer_elem_info *elem;
|
||||
static char sample_rate_buffer[4] = { '\x80', '\xbb', '\x00', '\x00' };
|
||||
|
||||
|
|
|
|||
|
|
@ -60,7 +60,7 @@ void snd_usb_audio_create_proc(struct snd_usb_audio *chip)
|
|||
static void proc_dump_substream_formats(struct snd_usb_substream *subs, struct snd_info_buffer *buffer)
|
||||
{
|
||||
struct audioformat *fp;
|
||||
static char *sync_types[4] = {
|
||||
static const char * const sync_types[4] = {
|
||||
"NONE", "ASYNC", "ADAPTIVE", "SYNC"
|
||||
};
|
||||
|
||||
|
|
|
|||
|
|
@ -239,7 +239,7 @@ static int add_chmap(struct snd_pcm *pcm, int stream,
|
|||
static struct snd_pcm_chmap_elem *convert_chmap(int channels, unsigned int bits,
|
||||
int protocol)
|
||||
{
|
||||
static unsigned int uac1_maps[] = {
|
||||
static const unsigned int uac1_maps[] = {
|
||||
SNDRV_CHMAP_FL, /* left front */
|
||||
SNDRV_CHMAP_FR, /* right front */
|
||||
SNDRV_CHMAP_FC, /* center front */
|
||||
|
|
@ -254,7 +254,7 @@ static struct snd_pcm_chmap_elem *convert_chmap(int channels, unsigned int bits,
|
|||
SNDRV_CHMAP_TC, /* top */
|
||||
0 /* terminator */
|
||||
};
|
||||
static unsigned int uac2_maps[] = {
|
||||
static const unsigned int uac2_maps[] = {
|
||||
SNDRV_CHMAP_FL, /* front left */
|
||||
SNDRV_CHMAP_FR, /* front right */
|
||||
SNDRV_CHMAP_FC, /* front center */
|
||||
|
|
|
|||
|
|
@ -233,7 +233,7 @@ static bool validate_midi_out_jack(const void *p,
|
|||
#define FIXED(p, t, s) { .protocol = (p), .type = (t), .size = sizeof(s) }
|
||||
#define FUNC(p, t, f) { .protocol = (p), .type = (t), .func = (f) }
|
||||
|
||||
static struct usb_desc_validator audio_validators[] = {
|
||||
static const struct usb_desc_validator audio_validators[] = {
|
||||
/* UAC1 */
|
||||
FUNC(UAC_VERSION_1, UAC_HEADER, validate_uac1_header),
|
||||
FIXED(UAC_VERSION_1, UAC_INPUT_TERMINAL,
|
||||
|
|
@ -288,7 +288,7 @@ static struct usb_desc_validator audio_validators[] = {
|
|||
{ } /* terminator */
|
||||
};
|
||||
|
||||
static struct usb_desc_validator midi_validators[] = {
|
||||
static const struct usb_desc_validator midi_validators[] = {
|
||||
FIXED(UAC_VERSION_ALL, USB_MS_HEADER,
|
||||
struct usb_ms_header_descriptor),
|
||||
FIXED(UAC_VERSION_ALL, USB_MS_MIDI_IN_JACK,
|
||||
|
|
|
|||
Loading…
Reference in New Issue