[ALSA] HDA codec & CA0106 - add/fix TLV support

Signed-off-by: Jaroslav Kysela <perex@suse.cz>

sound/pci/ca0106/ca0106_mixer.c

@@ -472,10 +472,12 @@ static int snd_ca0106_i2c_volume_put(struct snd_kcontrol *kcontrol,
 #define CA_VOLUME(xname,chid,reg) \
 {								\
 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,	\
+	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |		\
+	          SNDRV_CTL_ELEM_ACCESS_TLV_READ,		\
 	.info =	 snd_ca0106_volume_info,			\
 	.get =   snd_ca0106_volume_get,				\
 	.put =   snd_ca0106_volume_put,				\
-	.tlv =	 snd_ca0106_db_scale,				\
+	.tlv.p = snd_ca0106_db_scale,				\
 	.private_value = ((chid) << 8) | (reg)			\
 }
 

sound/pci/hda/hda_codec.c

@@ -29,6 +29,7 @@
 #include <sound/core.h>
 #include "hda_codec.h"
 #include <sound/asoundef.h>
+#include <sound/tlv.h>
 #include <sound/initval.h>
 #include "hda_local.h"
 
@@ -841,6 +842,38 @@ int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_e
 	return change;
 }
 
+int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
+			  unsigned int size, unsigned int __user *_tlv)
+{
+	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+	hda_nid_t nid = get_amp_nid(kcontrol);
+	int dir = get_amp_direction(kcontrol);
+	u32 caps, val1, val2;
+
+	if (size < 4 * sizeof(unsigned int))
+		return -ENOMEM;
+	caps = query_amp_caps(codec, nid, dir);
+	val2 = (((caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT) + 1) * 25;
+	val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT);
+	val1 = ((int)val1) * ((int)val2);
+	if (caps & AC_AMPCAP_MUTE)
+		val2 |= 0x10000;
+	if ((val2 & 0x10000) == 0 && dir == HDA_OUTPUT) {
+		caps = query_amp_caps(codec, nid, HDA_INPUT);
+		if (caps & AC_AMPCAP_MUTE)
+			val2 |= 0x10000;
+	}
+	if (put_user(SNDRV_CTL_TLVT_DB_SCALE, _tlv))
+		return -EFAULT;
+	if (put_user(2 * sizeof(unsigned int), _tlv + 1))
+		return -EFAULT;
+	if (put_user(val1, _tlv + 2))
+		return -EFAULT;
+	if (put_user(val2, _tlv + 3))
+		return -EFAULT;
+	return 0;
+}
+
 /* switch */
 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 {

sound/pci/hda/hda_local.h

@@ -30,9 +30,13 @@
 /* mono volume with index (index=0,1,...) (channel=1,2) */
 #define HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
 	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx,  \
+	  .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
+	  	    SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
+	  	    SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \
 	  .info = snd_hda_mixer_amp_volume_info, \
 	  .get = snd_hda_mixer_amp_volume_get, \
 	  .put = snd_hda_mixer_amp_volume_put, \
+	  .tlv.c = snd_hda_mixer_amp_tlv, \
 	  .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
 /* stereo volume with index */
 #define HDA_CODEC_VOLUME_IDX(xname, xcidx, nid, xindex, direction) \
@@ -63,6 +67,7 @@
 int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo);
 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol);
 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol);
+int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag, unsigned int size, unsigned int __user *tlv);
 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo);
 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol);
 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol);

sound/pci/hda/patch_analog.c

@@ -452,6 +452,19 @@ static int ad1986a_pcm_amp_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl
 	return change;
 }
 
+static int ad1986a_pcm_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
+			       unsigned int size, unsigned int __user *_tlv)
+{
+	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+	struct ad198x_spec *ad = codec->spec;
+
+	mutex_lock(&ad->amp_mutex);
+	snd_hda_mixer_amp_tlv(kcontrol, op_flag, size, _tlv);
+	mutex_unlock(&ad->amp_mutex);
+	return 0;
+}
+
+
 #define ad1986a_pcm_amp_sw_info		snd_hda_mixer_amp_switch_info
 
 static int ad1986a_pcm_amp_sw_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
@@ -488,9 +501,13 @@ static struct snd_kcontrol_new ad1986a_mixers[] = {
 	{
 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 		.name = "PCM Playback Volume",
+		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
+			  SNDRV_CTL_ELEM_ACCESS_TLV_READ |
+			  SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK,
 		.info = ad1986a_pcm_amp_vol_info,
 		.get = ad1986a_pcm_amp_vol_get,
 		.put = ad1986a_pcm_amp_vol_put,
+		.tlv.c = ad1986a_pcm_amp_tlv,
 		.private_value = HDA_COMPOSE_AMP_VAL(AD1986A_FRONT_DAC, 3, 0, HDA_OUTPUT)
 	},
 	{