forked from Minki/linux
[media] wm8775: Revert changeset fcb9757333 to avoid a regression
It seems that cx88 and ivtv use wm8775 on some different modes. The patch that added support for a board with wm8775 broke ivtv boards with this device. As we're too close to release 2.6.37, let's just revert it. Reported-by: Andy Walls <awalls@md.metrocast.net> Reported-by: Eric Sharkey <eric@lisaneric.org> Reported-by: Auric <auric@aanet.com.au> Reported by: David Gesswein <djg@pdp8online.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mauro Carvalho Chehab
parent
f23b7952d3
commit
46e67acd5d
@ -40,7 +40,6 @@
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#include <sound/control.h>
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#include <sound/initval.h>
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#include <sound/tlv.h>
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#include <media/wm8775.h>
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#include "cx88.h"
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#include "cx88-reg.h"
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@ -587,47 +586,26 @@ static int snd_cx88_volume_put(struct snd_kcontrol *kcontrol,
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int left, right, v, b;
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int changed = 0;
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u32 old;
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struct v4l2_control client_ctl;
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/* Pass volume & balance onto any WM8775 */
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if (value->value.integer.value[0] >= value->value.integer.value[1]) {
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v = value->value.integer.value[0] << 10;
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b = value->value.integer.value[0] ?
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(0x8000 * value->value.integer.value[1]) / value->value.integer.value[0] :
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0x8000;
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} else {
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v = value->value.integer.value[1] << 10;
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b = value->value.integer.value[1] ?
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0xffff - (0x8000 * value->value.integer.value[0]) / value->value.integer.value[1] :
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0x8000;
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}
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client_ctl.value = v;
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client_ctl.id = V4L2_CID_AUDIO_VOLUME;
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call_hw(core, WM8775_GID, core, s_ctrl, &client_ctl);
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client_ctl.value = b;
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client_ctl.id = V4L2_CID_AUDIO_BALANCE;
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call_hw(core, WM8775_GID, core, s_ctrl, &client_ctl);
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left = value->value.integer.value[0] & 0x3f;
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right = value->value.integer.value[1] & 0x3f;
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b = right - left;
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if (b < 0) {
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v = 0x3f - left;
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b = (-b) | 0x40;
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v = 0x3f - left;
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b = (-b) | 0x40;
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} else {
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v = 0x3f - right;
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v = 0x3f - right;
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}
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/* Do we really know this will always be called with IRQs on? */
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spin_lock_irq(&chip->reg_lock);
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old = cx_read(AUD_VOL_CTL);
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if (v != (old & 0x3f)) {
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cx_swrite(SHADOW_AUD_VOL_CTL, AUD_VOL_CTL, (old & ~0x3f) | v);
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changed = 1;
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cx_write(AUD_VOL_CTL, (old & ~0x3f) | v);
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changed = 1;
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}
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if ((cx_read(AUD_BAL_CTL) & 0x7f) != b) {
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cx_write(AUD_BAL_CTL, b);
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changed = 1;
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if (cx_read(AUD_BAL_CTL) != b) {
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cx_write(AUD_BAL_CTL, b);
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changed = 1;
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}
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spin_unlock_irq(&chip->reg_lock);
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@ -640,7 +618,7 @@ static const struct snd_kcontrol_new snd_cx88_volume = {
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
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.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
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SNDRV_CTL_ELEM_ACCESS_TLV_READ,
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.name = "Analog-TV Volume",
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.name = "Playback Volume",
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.info = snd_cx88_volume_info,
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.get = snd_cx88_volume_get,
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.put = snd_cx88_volume_put,
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@ -671,14 +649,7 @@ static int snd_cx88_switch_put(struct snd_kcontrol *kcontrol,
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vol = cx_read(AUD_VOL_CTL);
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if (value->value.integer.value[0] != !(vol & bit)) {
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vol ^= bit;
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cx_swrite(SHADOW_AUD_VOL_CTL, AUD_VOL_CTL, vol);
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/* Pass mute onto any WM8775 */
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if ((1<<6) == bit) {
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struct v4l2_control client_ctl;
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client_ctl.value = 0 != (vol & bit);
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client_ctl.id = V4L2_CID_AUDIO_MUTE;
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call_hw(core, WM8775_GID, core, s_ctrl, &client_ctl);
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}
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cx_write(AUD_VOL_CTL, vol);
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ret = 1;
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}
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spin_unlock_irq(&chip->reg_lock);
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@ -687,7 +658,7 @@ static int snd_cx88_switch_put(struct snd_kcontrol *kcontrol,
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static const struct snd_kcontrol_new snd_cx88_dac_switch = {
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
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.name = "Audio-Out Switch",
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.name = "Playback Switch",
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.info = snd_ctl_boolean_mono_info,
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.get = snd_cx88_switch_get,
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.put = snd_cx88_switch_put,
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@ -696,49 +667,13 @@ static const struct snd_kcontrol_new snd_cx88_dac_switch = {
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static const struct snd_kcontrol_new snd_cx88_source_switch = {
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
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.name = "Analog-TV Switch",
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.name = "Capture Switch",
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.info = snd_ctl_boolean_mono_info,
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.get = snd_cx88_switch_get,
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.put = snd_cx88_switch_put,
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.private_value = (1<<6),
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};
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static int snd_cx88_alc_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *value)
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{
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snd_cx88_card_t *chip = snd_kcontrol_chip(kcontrol);
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struct cx88_core *core = chip->core;
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struct v4l2_control client_ctl;
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client_ctl.id = V4L2_CID_AUDIO_LOUDNESS;
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call_hw(core, WM8775_GID, core, g_ctrl, &client_ctl);
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value->value.integer.value[0] = client_ctl.value ? 1 : 0;
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return 0;
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}
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static int snd_cx88_alc_put(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *value)
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{
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snd_cx88_card_t *chip = snd_kcontrol_chip(kcontrol);
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struct cx88_core *core = chip->core;
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struct v4l2_control client_ctl;
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client_ctl.value = 0 != value->value.integer.value[0];
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client_ctl.id = V4L2_CID_AUDIO_LOUDNESS;
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call_hw(core, WM8775_GID, core, s_ctrl, &client_ctl);
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return 0;
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}
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static struct snd_kcontrol_new snd_cx88_alc_switch = {
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
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.name = "Line-In ALC Switch",
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.info = snd_ctl_boolean_mono_info,
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.get = snd_cx88_alc_get,
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.put = snd_cx88_alc_put,
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};
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/****************************************************************************
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Basic Flow for Sound Devices
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****************************************************************************/
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@ -860,7 +795,6 @@ static int __devinit cx88_audio_initdev(struct pci_dev *pci,
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{
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struct snd_card *card;
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snd_cx88_card_t *chip;
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struct v4l2_subdev *sd;
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int err;
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if (devno >= SNDRV_CARDS)
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@ -896,15 +830,6 @@ static int __devinit cx88_audio_initdev(struct pci_dev *pci,
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if (err < 0)
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goto error;
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/* If there's a wm8775 then add a Line-In ALC switch */
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list_for_each_entry(sd, &chip->core->v4l2_dev.subdevs, list) {
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if (WM8775_GID == sd->grp_id) {
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snd_ctl_add(card, snd_ctl_new1(&snd_cx88_alc_switch,
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chip));
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break;
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}
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}
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strcpy (card->driver, "CX88x");
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sprintf(card->shortname, "Conexant CX%x", pci->device);
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sprintf(card->longname, "%s at %#llx",
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@ -1007,15 +1007,22 @@ static const struct cx88_board cx88_boards[] = {
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.radio_type = UNSET,
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.tuner_addr = ADDR_UNSET,
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.radio_addr = ADDR_UNSET,
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.audio_chip = V4L2_IDENT_WM8775,
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.input = {{
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.type = CX88_VMUX_DVB,
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.vmux = 0,
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/* 2: Line-In */
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.audioroute = 2,
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},{
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.type = CX88_VMUX_COMPOSITE1,
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.vmux = 1,
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/* 2: Line-In */
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.audioroute = 2,
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},{
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.type = CX88_VMUX_SVIDEO,
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.vmux = 2,
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/* 2: Line-In */
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.audioroute = 2,
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}},
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.mpeg = CX88_MPEG_DVB,
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},
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@ -40,7 +40,6 @@
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#include "cx88.h"
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#include <media/v4l2-common.h>
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#include <media/v4l2-ioctl.h>
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#include <media/wm8775.h>
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MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
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MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
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@ -977,7 +976,6 @@ int cx88_set_control(struct cx88_core *core, struct v4l2_control *ctl)
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const struct cx88_ctrl *c = NULL;
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u32 value,mask;
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int i;
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struct v4l2_control client_ctl;
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for (i = 0; i < CX8800_CTLS; i++) {
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if (cx8800_ctls[i].v.id == ctl->id) {
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@ -991,27 +989,6 @@ int cx88_set_control(struct cx88_core *core, struct v4l2_control *ctl)
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ctl->value = c->v.minimum;
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if (ctl->value > c->v.maximum)
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ctl->value = c->v.maximum;
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/* Pass changes onto any WM8775 */
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client_ctl.id = ctl->id;
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switch (ctl->id) {
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case V4L2_CID_AUDIO_MUTE:
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client_ctl.value = ctl->value;
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break;
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case V4L2_CID_AUDIO_VOLUME:
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client_ctl.value = (ctl->value) ?
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(0x90 + ctl->value) << 8 : 0;
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break;
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case V4L2_CID_AUDIO_BALANCE:
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client_ctl.value = ctl->value << 9;
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break;
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default:
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client_ctl.id = 0;
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break;
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}
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if (client_ctl.id)
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call_hw(core, WM8775_GID, core, s_ctrl, &client_ctl);
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mask=c->mask;
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switch (ctl->id) {
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case V4L2_CID_AUDIO_BALANCE:
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@ -1558,9 +1535,7 @@ static int radio_queryctrl (struct file *file, void *priv,
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if (c->id < V4L2_CID_BASE ||
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c->id >= V4L2_CID_LASTP1)
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return -EINVAL;
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if (c->id == V4L2_CID_AUDIO_MUTE ||
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c->id == V4L2_CID_AUDIO_VOLUME ||
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c->id == V4L2_CID_AUDIO_BALANCE) {
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if (c->id == V4L2_CID_AUDIO_MUTE) {
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for (i = 0; i < CX8800_CTLS; i++) {
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if (cx8800_ctls[i].v.id == c->id)
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break;
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@ -398,19 +398,17 @@ static inline struct cx88_core *to_core(struct v4l2_device *v4l2_dev)
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return container_of(v4l2_dev, struct cx88_core, v4l2_dev);
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}
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#define call_hw(core, grpid, o, f, args...) \
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#define call_all(core, o, f, args...) \
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do { \
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if (!core->i2c_rc) { \
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if (core->gate_ctrl) \
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core->gate_ctrl(core, 1); \
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v4l2_device_call_all(&core->v4l2_dev, grpid, o, f, ##args); \
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v4l2_device_call_all(&core->v4l2_dev, 0, o, f, ##args); \
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if (core->gate_ctrl) \
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core->gate_ctrl(core, 0); \
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} \
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} while (0)
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#define call_all(core, o, f, args...) call_hw(core, 0, o, f, ##args)
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struct cx8800_dev;
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struct cx8802_dev;
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@ -35,7 +35,6 @@
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#include <media/v4l2-device.h>
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#include <media/v4l2-chip-ident.h>
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#include <media/v4l2-ctrls.h>
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#include <media/wm8775.h>
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MODULE_DESCRIPTION("wm8775 driver");
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MODULE_AUTHOR("Ulf Eklund, Hans Verkuil");
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@ -51,16 +50,10 @@ enum {
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TOT_REGS
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};
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#define ALC_HOLD 0x85 /* R17: use zero cross detection, ALC hold time 42.6 ms */
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#define ALC_EN 0x100 /* R17: ALC enable */
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struct wm8775_state {
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struct v4l2_subdev sd;
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struct v4l2_ctrl_handler hdl;
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struct v4l2_ctrl *mute;
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struct v4l2_ctrl *vol;
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struct v4l2_ctrl *bal;
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struct v4l2_ctrl *loud;
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u8 input; /* Last selected input (0-0xf) */
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};
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@ -92,30 +85,6 @@ static int wm8775_write(struct v4l2_subdev *sd, int reg, u16 val)
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return -1;
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}
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static void wm8775_set_audio(struct v4l2_subdev *sd, int quietly)
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{
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struct wm8775_state *state = to_state(sd);
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u8 vol_l, vol_r;
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int muted = 0 != state->mute->val;
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u16 volume = (u16)state->vol->val;
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u16 balance = (u16)state->bal->val;
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/* normalize ( 65535 to 0 -> 255 to 0 (+24dB to -103dB) ) */
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vol_l = (min(65536 - balance, 32768) * volume) >> 23;
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vol_r = (min(balance, (u16)32768) * volume) >> 23;
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/* Mute */
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if (muted || quietly)
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wm8775_write(sd, R21, 0x0c0 | state->input);
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wm8775_write(sd, R14, vol_l | 0x100); /* 0x100= Left channel ADC zero cross enable */
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wm8775_write(sd, R15, vol_r | 0x100); /* 0x100= Right channel ADC zero cross enable */
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/* Un-mute */
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if (!muted)
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wm8775_write(sd, R21, state->input);
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}
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static int wm8775_s_routing(struct v4l2_subdev *sd,
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u32 input, u32 output, u32 config)
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{
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@ -133,26 +102,25 @@ static int wm8775_s_routing(struct v4l2_subdev *sd,
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state->input = input;
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if (!v4l2_ctrl_g_ctrl(state->mute))
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return 0;
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if (!v4l2_ctrl_g_ctrl(state->vol))
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return 0;
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if (!v4l2_ctrl_g_ctrl(state->bal))
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return 0;
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wm8775_set_audio(sd, 1);
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wm8775_write(sd, R21, 0x0c0);
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wm8775_write(sd, R14, 0x1d4);
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wm8775_write(sd, R15, 0x1d4);
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wm8775_write(sd, R21, 0x100 + state->input);
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return 0;
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}
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static int wm8775_s_ctrl(struct v4l2_ctrl *ctrl)
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{
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struct v4l2_subdev *sd = to_sd(ctrl);
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struct wm8775_state *state = to_state(sd);
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switch (ctrl->id) {
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case V4L2_CID_AUDIO_MUTE:
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case V4L2_CID_AUDIO_VOLUME:
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case V4L2_CID_AUDIO_BALANCE:
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wm8775_set_audio(sd, 0);
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return 0;
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case V4L2_CID_AUDIO_LOUDNESS:
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wm8775_write(sd, R17, (ctrl->val ? ALC_EN : 0) | ALC_HOLD);
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wm8775_write(sd, R21, 0x0c0);
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wm8775_write(sd, R14, 0x1d4);
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wm8775_write(sd, R15, 0x1d4);
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if (!ctrl->val)
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wm8775_write(sd, R21, 0x100 + state->input);
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return 0;
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}
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return -EINVAL;
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@ -176,7 +144,16 @@ static int wm8775_log_status(struct v4l2_subdev *sd)
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static int wm8775_s_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *freq)
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{
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wm8775_set_audio(sd, 0);
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struct wm8775_state *state = to_state(sd);
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/* If I remove this, then it can happen that I have no
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sound the first time I tune from static to a valid channel.
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It's difficult to reproduce and is almost certainly related
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to the zero cross detect circuit. */
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wm8775_write(sd, R21, 0x0c0);
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wm8775_write(sd, R14, 0x1d4);
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wm8775_write(sd, R15, 0x1d4);
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wm8775_write(sd, R21, 0x100 + state->input);
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return 0;
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}
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@ -226,7 +203,6 @@ static int wm8775_probe(struct i2c_client *client,
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{
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struct wm8775_state *state;
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struct v4l2_subdev *sd;
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int err;
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/* Check if the adapter supports the needed features */
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if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
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@ -240,21 +216,15 @@ static int wm8775_probe(struct i2c_client *client,
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return -ENOMEM;
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sd = &state->sd;
|
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v4l2_i2c_subdev_init(sd, client, &wm8775_ops);
|
||||
sd->grp_id = WM8775_GID; /* subdev group id */
|
||||
state->input = 2;
|
||||
|
||||
v4l2_ctrl_handler_init(&state->hdl, 4);
|
||||
v4l2_ctrl_handler_init(&state->hdl, 1);
|
||||
state->mute = v4l2_ctrl_new_std(&state->hdl, &wm8775_ctrl_ops,
|
||||
V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0);
|
||||
state->vol = v4l2_ctrl_new_std(&state->hdl, &wm8775_ctrl_ops,
|
||||
V4L2_CID_AUDIO_VOLUME, 0, 65535, (65535+99)/100, 0xCF00); /* 0dB*/
|
||||
state->bal = v4l2_ctrl_new_std(&state->hdl, &wm8775_ctrl_ops,
|
||||
V4L2_CID_AUDIO_BALANCE, 0, 65535, (65535+99)/100, 32768);
|
||||
state->loud = v4l2_ctrl_new_std(&state->hdl, &wm8775_ctrl_ops,
|
||||
V4L2_CID_AUDIO_LOUDNESS, 0, 1, 1, 1);
|
||||
sd->ctrl_handler = &state->hdl;
|
||||
err = state->hdl.error;
|
||||
if (err) {
|
||||
if (state->hdl.error) {
|
||||
int err = state->hdl.error;
|
||||
|
||||
v4l2_ctrl_handler_free(&state->hdl);
|
||||
kfree(state);
|
||||
return err;
|
||||
@ -266,25 +236,29 @@ static int wm8775_probe(struct i2c_client *client,
|
||||
wm8775_write(sd, R23, 0x000);
|
||||
/* Disable zero cross detect timeout */
|
||||
wm8775_write(sd, R7, 0x000);
|
||||
/* HPF enable, I2S mode, 24-bit */
|
||||
wm8775_write(sd, R11, 0x022);
|
||||
/* Left justified, 24-bit mode */
|
||||
wm8775_write(sd, R11, 0x021);
|
||||
/* Master mode, clock ratio 256fs */
|
||||
wm8775_write(sd, R12, 0x102);
|
||||
/* Powered up */
|
||||
wm8775_write(sd, R13, 0x000);
|
||||
/* ALC stereo, ALC target level -5dB FS, ALC max gain +8dB */
|
||||
wm8775_write(sd, R16, 0x1bb);
|
||||
/* Set ALC mode and hold time */
|
||||
wm8775_write(sd, R17, (state->loud->val ? ALC_EN : 0) | ALC_HOLD);
|
||||
/* ADC gain +2.5dB, enable zero cross */
|
||||
wm8775_write(sd, R14, 0x1d4);
|
||||
/* ADC gain +2.5dB, enable zero cross */
|
||||
wm8775_write(sd, R15, 0x1d4);
|
||||
/* ALC Stereo, ALC target level -1dB FS max gain +8dB */
|
||||
wm8775_write(sd, R16, 0x1bf);
|
||||
/* Enable gain control, use zero cross detection,
|
||||
ALC hold time 42.6 ms */
|
||||
wm8775_write(sd, R17, 0x185);
|
||||
/* ALC gain ramp up delay 34 s, ALC gain ramp down delay 33 ms */
|
||||
wm8775_write(sd, R18, 0x0a2);
|
||||
/* Enable noise gate, threshold -72dBfs */
|
||||
wm8775_write(sd, R19, 0x005);
|
||||
/* Transient window 4ms, ALC min gain -5dB */
|
||||
wm8775_write(sd, R20, 0x0fb);
|
||||
|
||||
wm8775_set_audio(sd, 1); /* set volume/mute/mux */
|
||||
|
||||
/* Transient window 4ms, lower PGA gain limit -1dB */
|
||||
wm8775_write(sd, R20, 0x07a);
|
||||
/* LRBOTH = 1, use input 2. */
|
||||
wm8775_write(sd, R21, 0x102);
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
@ -32,7 +32,4 @@
|
||||
#define WM8775_AIN3 4
|
||||
#define WM8775_AIN4 8
|
||||
|
||||
/* subdev group ID */
|
||||
#define WM8775_GID (1 << 0)
|
||||
|
||||
#endif
|
||||
|
||||
Loading…
Reference in New Issue
Block a user