int type_uac2; /* data type for uac2 if different from uac1, else -1 */
};
-static struct usb_feature_control_info audio_feature_info[] = {
+static const struct usb_feature_control_info audio_feature_info[] = {
{ UAC_FU_MUTE, "Mute", USB_MIXER_INV_BOOLEAN, -1 },
{ UAC_FU_VOLUME, "Volume", USB_MIXER_S16, -1 },
{ UAC_FU_BASS, "Tone Control - Bass", USB_MIXER_S8, -1 },
return 0;
}
-static struct snd_kcontrol_new usb_feature_unit_ctl = {
+static const struct snd_kcontrol_new usb_feature_unit_ctl = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "", /* will be filled later manually */
.info = mixer_ctl_feature_info,
* A control which shows the boolean value from reading a UAC control on
* the master channel.
*/
-static struct snd_kcontrol_new usb_bool_master_control_ctl_ro = {
+static const struct snd_kcontrol_new usb_bool_master_control_ctl_ro = {
.iface = SNDRV_CTL_ELEM_IFACE_CARD,
.name = "", /* will be filled later manually */
.access = SNDRV_CTL_ELEM_ACCESS_READ,
* This symbol is exported in order to allow the mixer quirks to
* hook up to the standard feature unit control mechanism
*/
-struct snd_kcontrol_new *snd_usb_feature_unit_ctl = &usb_feature_unit_ctl;
+const struct snd_kcontrol_new *snd_usb_feature_unit_ctl = &usb_feature_unit_ctl;
/*
* build a feature control
strlcpy(kctl->id.name, "Headphone", sizeof(kctl->id.name));
}
-static struct usb_feature_control_info *get_feature_control_info(int control)
+static const struct usb_feature_control_info *get_feature_control_info(int control)
{
int i;
struct usb_audio_term *oterm,
int unitid, int nameid, int readonly_mask)
{
- struct usb_feature_control_info *ctl_info;
+ const struct usb_feature_control_info *ctl_info;
unsigned int len = 0;
int mapped_name = 0;
struct snd_kcontrol *kctl;
*/
struct procunit_value_info {
int control;
- char *suffix;
+ const char *suffix;
int val_type;
int min_value;
};
struct procunit_info {
int type;
char *name;
- struct procunit_value_info *values;
+ const struct procunit_value_info *values;
};
-static struct procunit_value_info undefined_proc_info[] = {
+static const struct procunit_value_info undefined_proc_info[] = {
{ 0x00, "Control Undefined", 0 },
{ 0 }
};
-static struct procunit_value_info updown_proc_info[] = {
+static const struct procunit_value_info updown_proc_info[] = {
{ UAC_UD_ENABLE, "Switch", USB_MIXER_BOOLEAN },
{ UAC_UD_MODE_SELECT, "Mode Select", USB_MIXER_U8, 1 },
{ 0 }
};
-static struct procunit_value_info prologic_proc_info[] = {
+static const struct procunit_value_info prologic_proc_info[] = {
{ UAC_DP_ENABLE, "Switch", USB_MIXER_BOOLEAN },
{ UAC_DP_MODE_SELECT, "Mode Select", USB_MIXER_U8, 1 },
{ 0 }
};
-static struct procunit_value_info threed_enh_proc_info[] = {
+static const struct procunit_value_info threed_enh_proc_info[] = {
{ UAC_3D_ENABLE, "Switch", USB_MIXER_BOOLEAN },
{ UAC_3D_SPACE, "Spaciousness", USB_MIXER_U8 },
{ 0 }
};
-static struct procunit_value_info reverb_proc_info[] = {
+static const struct procunit_value_info reverb_proc_info[] = {
{ UAC_REVERB_ENABLE, "Switch", USB_MIXER_BOOLEAN },
{ UAC_REVERB_LEVEL, "Level", USB_MIXER_U8 },
{ UAC_REVERB_TIME, "Time", USB_MIXER_U16 },
{ UAC_REVERB_FEEDBACK, "Feedback", USB_MIXER_U8 },
{ 0 }
};
-static struct procunit_value_info chorus_proc_info[] = {
+static const struct procunit_value_info chorus_proc_info[] = {
{ UAC_CHORUS_ENABLE, "Switch", USB_MIXER_BOOLEAN },
{ UAC_CHORUS_LEVEL, "Level", USB_MIXER_U8 },
{ UAC_CHORUS_RATE, "Rate", USB_MIXER_U16 },
{ UAC_CHORUS_DEPTH, "Depth", USB_MIXER_U16 },
{ 0 }
};
-static struct procunit_value_info dcr_proc_info[] = {
+static const struct procunit_value_info dcr_proc_info[] = {
{ UAC_DCR_ENABLE, "Switch", USB_MIXER_BOOLEAN },
{ UAC_DCR_RATE, "Ratio", USB_MIXER_U16 },
{ UAC_DCR_MAXAMPL, "Max Amp", USB_MIXER_S16 },
{ 0 }
};
-static struct procunit_info procunits[] = {
+static const struct procunit_info procunits[] = {
{ UAC_PROCESS_UP_DOWNMIX, "Up Down", updown_proc_info },
{ UAC_PROCESS_DOLBY_PROLOGIC, "Dolby Prologic", prologic_proc_info },
{ UAC_PROCESS_STEREO_EXTENDER, "3D Stereo Extender", threed_enh_proc_info },
{ 0 },
};
-static struct procunit_value_info uac3_updown_proc_info[] = {
+static const struct procunit_value_info uac3_updown_proc_info[] = {
{ UAC3_UD_MODE_SELECT, "Mode Select", USB_MIXER_U8, 1 },
{ 0 }
};
-static struct procunit_value_info uac3_stereo_ext_proc_info[] = {
+static const struct procunit_value_info uac3_stereo_ext_proc_info[] = {
{ UAC3_EXT_WIDTH_CONTROL, "Width Control", USB_MIXER_U8 },
{ 0 }
};
-static struct procunit_info uac3_procunits[] = {
+static const struct procunit_info uac3_procunits[] = {
{ UAC3_PROCESS_UP_DOWNMIX, "Up Down", uac3_updown_proc_info },
{ UAC3_PROCESS_STEREO_EXTENDER, "3D Stereo Extender", uac3_stereo_ext_proc_info },
{ UAC3_PROCESS_MULTI_FUNCTION, "Multi-Function", undefined_proc_info },
/*
* predefined data for extension units
*/
-static struct procunit_value_info clock_rate_xu_info[] = {
+static const struct procunit_value_info clock_rate_xu_info[] = {
{ USB_XU_CLOCK_RATE_SELECTOR, "Selector", USB_MIXER_U8, 0 },
{ 0 }
};
-static struct procunit_value_info clock_source_xu_info[] = {
+static const struct procunit_value_info clock_source_xu_info[] = {
{ USB_XU_CLOCK_SOURCE_SELECTOR, "External", USB_MIXER_BOOLEAN },
{ 0 }
};
-static struct procunit_value_info spdif_format_xu_info[] = {
+static const struct procunit_value_info spdif_format_xu_info[] = {
{ USB_XU_DIGITAL_FORMAT_SELECTOR, "SPDIF/AC3", USB_MIXER_BOOLEAN },
{ 0 }
};
-static struct procunit_value_info soft_limit_xu_info[] = {
+static const struct procunit_value_info soft_limit_xu_info[] = {
{ USB_XU_SOFT_LIMIT_SELECTOR, " ", USB_MIXER_BOOLEAN },
{ 0 }
};
-static struct procunit_info extunits[] = {
+static const struct procunit_info extunits[] = {
{ USB_XU_CLOCK_RATE, "Clock rate", clock_rate_xu_info },
{ USB_XU_CLOCK_SOURCE, "DigitalIn CLK source", clock_source_xu_info },
{ USB_XU_DIGITAL_IO_STATUS, "DigitalOut format:", spdif_format_xu_info },
* build a processing/extension unit
*/
static int build_audio_procunit(struct mixer_build *state, int unitid,
- void *raw_desc, struct procunit_info *list,
+ void *raw_desc, const struct procunit_info *list,
bool extension_unit)
{
struct uac_processing_unit_descriptor *desc = raw_desc;
struct usb_mixer_elem_info *cval;
struct snd_kcontrol *kctl;
int i, err, nameid, type, len;
- struct procunit_info *info;
- struct procunit_value_info *valinfo;
+ const struct procunit_info *info;
+ const struct procunit_value_info *valinfo;
const struct usbmix_name_map *map;
- static struct procunit_value_info default_value_info[] = {
+ static const struct procunit_value_info default_value_info[] = {
{ 0x01, "Switch", USB_MIXER_BOOLEAN },
{ 0 }
};
- static struct procunit_info default_info = {
+ static const struct procunit_info default_info = {
0, NULL, default_value_info
};
const char *name = extension_unit ?
int st_chmask; /* side tone mixing channel mask */
};
-static struct uac3_badd_profile uac3_badd_profiles[] = {
+static const struct uac3_badd_profile uac3_badd_profiles[] = {
{
/*
* BAIF, BAOF or combination of both
};
static bool uac3_badd_func_has_valid_channels(struct usb_mixer_interface *mixer,
- struct uac3_badd_profile *f,
+ const struct uac3_badd_profile *f,
int c_chmask, int p_chmask)
{
/*
struct usb_device *dev = mixer->chip->dev;
struct usb_interface_assoc_descriptor *assoc;
int badd_profile = mixer->chip->badd_profile;
- struct uac3_badd_profile *f;
+ const struct uac3_badd_profile *f;
const struct usbmix_ctl_map *map;
int p_chmask = 0, c_chmask = 0, st_chmask = 0;
int i;
struct usb_mixer_elem_list *list)
{
struct usb_mixer_elem_info *cval = mixer_elem_list_to_info(list);
- static char *val_types[] = {"BOOLEAN", "INV_BOOLEAN",
+ static const char * const val_types[] = {"BOOLEAN", "INV_BOOLEAN",
"S8", "U8", "S16", "U16"};
snd_iprintf(buffer, " Info: id=%i, control=%i, cmask=0x%x, "
"channels=%i, type=\"%s\"\n", cval->head.id,
int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif,
int ignore_error)
{
- static struct snd_device_ops dev_ops = {
+ static const struct snd_device_ops dev_ops = {
.dev_free = snd_usb_mixer_dev_free
};
struct usb_mixer_interface *mixer;
projects / linux.git / blobdiff