/* overriding mic boost put callback; update mic boost volume only when
* DC mode is disabled
*/
static int olpc_xo_mic_boost_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
struct conexant_spec *spec = codec->spec;
int ret = snd_hda_mixer_amp_volume_put(kcontrol, ucontrol);
if (ret > 0 && spec->dc_enable)
olpc_xo_update_mic_boost(codec);
return ret;
}
/* mic_autoswitch hook */
static void olpc_xo_automic(struct hda_codec *codec,
struct hda_jack_callback *jack)
{
struct conexant_spec *spec = codec->spec;
/* in DC mode, we don't handle automic */
if (!spec->dc_enable)
snd_hda_gen_mic_autoswitch(codec, jack);
olpc_xo_update_mic_pins(codec);
if (spec->dc_enable)
olpc_xo_update_mic_boost(codec);
}
static int olpc_xo_dc_mode_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
struct conexant_spec *spec = codec->spec;
int dc_enable = !!ucontrol->value.integer.value[0];
if (dc_enable == spec->dc_enable)
return 0;
spec->dc_enable = dc_enable;
olpc_xo_update_mic_pins(codec);
olpc_xo_update_mic_boost(codec);
return 1;
}
/* mic_autoswitch hook */
static void olpc_xo_automic(struct hda_codec *codec, struct hda_jack_tbl *jack)
{
struct conexant_spec *spec = codec->spec;
int saved_cached_write = codec->cached_write;
codec->cached_write = 1;
/* in DC mode, we don't handle automic */
if (!spec->dc_enable)
snd_hda_gen_mic_autoswitch(codec, jack);
olpc_xo_update_mic_pins(codec);
snd_hda_codec_flush_cache(codec);
codec->cached_write = saved_cached_write;
if (spec->dc_enable)
olpc_xo_update_mic_boost(codec);
}
