EXPORT_SYMBOL_GPL(snd_hda_check_amp_list_power);
#endif
-/*
- * Channel mode helper
- */
-
-/**
- * snd_hda_ch_mode_info - Info callback helper for the channel mode enum
- * @codec: the HDA codec
- * @uinfo: pointer to get/store the data
- * @chmode: channel mode array
- * @num_chmodes: channel mode array size
- */
-int snd_hda_ch_mode_info(struct hda_codec *codec,
- struct snd_ctl_elem_info *uinfo,
- const struct hda_channel_mode *chmode,
- int num_chmodes)
-{
- uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
- uinfo->count = 1;
- uinfo->value.enumerated.items = num_chmodes;
- if (uinfo->value.enumerated.item >= num_chmodes)
- uinfo->value.enumerated.item = num_chmodes - 1;
- sprintf(uinfo->value.enumerated.name, "%dch",
- chmode[uinfo->value.enumerated.item].channels);
- return 0;
-}
-EXPORT_SYMBOL_GPL(snd_hda_ch_mode_info);
-
-/**
- * snd_hda_ch_mode_get - Get callback helper for the channel mode enum
- * @codec: the HDA codec
- * @ucontrol: pointer to get/store the data
- * @chmode: channel mode array
- * @num_chmodes: channel mode array size
- * @max_channels: max number of channels
- */
-int snd_hda_ch_mode_get(struct hda_codec *codec,
- struct snd_ctl_elem_value *ucontrol,
- const struct hda_channel_mode *chmode,
- int num_chmodes,
- int max_channels)
-{
- int i;
-
- for (i = 0; i < num_chmodes; i++) {
- if (max_channels == chmode[i].channels) {
- ucontrol->value.enumerated.item[0] = i;
- break;
- }
- }
- return 0;
-}
-EXPORT_SYMBOL_GPL(snd_hda_ch_mode_get);
-
-/**
- * snd_hda_ch_mode_put - Put callback helper for the channel mode enum
- * @codec: the HDA codec
- * @ucontrol: pointer to get/store the data
- * @chmode: channel mode array
- * @num_chmodes: channel mode array size
- * @max_channelsp: pointer to store the max channels
- */
-int snd_hda_ch_mode_put(struct hda_codec *codec,
- struct snd_ctl_elem_value *ucontrol,
- const struct hda_channel_mode *chmode,
- int num_chmodes,
- int *max_channelsp)
-{
- unsigned int mode;
-
- mode = ucontrol->value.enumerated.item[0];
- if (mode >= num_chmodes)
- return -EINVAL;
- if (*max_channelsp == chmode[mode].channels)
- return 0;
- /* change the current channel setting */
- *max_channelsp = chmode[mode].channels;
- if (chmode[mode].sequence)
- snd_hda_sequence_write_cache(codec, chmode[mode].sequence);
- return 1;
-}
-EXPORT_SYMBOL_GPL(snd_hda_ch_mode_put);
-
/*
* input MUX helper
*/
struct hda_input_mux *imux, const char *label,
int index, int *type_index_ret);
-/*
- * Channel mode helper
- */
-struct hda_channel_mode {
- int channels;
- const struct hda_verb *sequence;
-};
-
-int snd_hda_ch_mode_info(struct hda_codec *codec,
- struct snd_ctl_elem_info *uinfo,
- const struct hda_channel_mode *chmode,
- int num_chmodes);
-int snd_hda_ch_mode_get(struct hda_codec *codec,
- struct snd_ctl_elem_value *ucontrol,
- const struct hda_channel_mode *chmode,
- int num_chmodes,
- int max_channels);
-int snd_hda_ch_mode_put(struct hda_codec *codec,
- struct snd_ctl_elem_value *ucontrol,
- const struct hda_channel_mode *chmode,
- int num_chmodes,
- int *max_channelsp);
-
/*
* Multi-channel / digital-out PCM helper
*/