From 08f87f769b595151be1afeff53e144f543faa614 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 06 Dec 2023 09:51:13 +0000
Subject: [PATCH] add dts config
---
kernel/sound/soc/sunxi/sun4i-codec.c | 223 ++++++++++++++++++++++++++++++++++++++++++++-----------
1 files changed, 176 insertions(+), 47 deletions(-)
diff --git a/kernel/sound/soc/sunxi/sun4i-codec.c b/kernel/sound/soc/sunxi/sun4i-codec.c
index 16e8f74..2173991 100644
--- a/kernel/sound/soc/sunxi/sun4i-codec.c
+++ b/kernel/sound/soc/sunxi/sun4i-codec.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright 2014 Emilio López <emilio@elopez.com.ar>
* Copyright 2014 Jon Smirl <jonsmirl@gmail.com>
@@ -6,16 +7,6 @@
* Copyright 2016 Chen-Yu Tsai <wens@csie.org>
*
* Based on the Allwinner SDK driver, released under the GPL.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
*/
#include <linux/init.h>
@@ -64,9 +55,20 @@
#define SUN4I_CODEC_DAC_ACTL_DACAENR (31)
#define SUN4I_CODEC_DAC_ACTL_DACAENL (30)
#define SUN4I_CODEC_DAC_ACTL_MIXEN (29)
+#define SUN4I_CODEC_DAC_ACTL_LNG (26)
+#define SUN4I_CODEC_DAC_ACTL_FMG (23)
+#define SUN4I_CODEC_DAC_ACTL_MICG (20)
+#define SUN4I_CODEC_DAC_ACTL_LLNS (19)
+#define SUN4I_CODEC_DAC_ACTL_RLNS (18)
+#define SUN4I_CODEC_DAC_ACTL_LFMS (17)
+#define SUN4I_CODEC_DAC_ACTL_RFMS (16)
#define SUN4I_CODEC_DAC_ACTL_LDACLMIXS (15)
#define SUN4I_CODEC_DAC_ACTL_RDACRMIXS (14)
#define SUN4I_CODEC_DAC_ACTL_LDACRMIXS (13)
+#define SUN4I_CODEC_DAC_ACTL_MIC1LS (12)
+#define SUN4I_CODEC_DAC_ACTL_MIC1RS (11)
+#define SUN4I_CODEC_DAC_ACTL_MIC2LS (10)
+#define SUN4I_CODEC_DAC_ACTL_MIC2RS (9)
#define SUN4I_CODEC_DAC_ACTL_DACPAS (8)
#define SUN4I_CODEC_DAC_ACTL_MIXPAS (7)
#define SUN4I_CODEC_DAC_ACTL_PA_MUTE (6)
@@ -94,8 +96,11 @@
#define SUN4I_CODEC_ADC_ACTL_PREG1EN (29)
#define SUN4I_CODEC_ADC_ACTL_PREG2EN (28)
#define SUN4I_CODEC_ADC_ACTL_VMICEN (27)
+#define SUN4I_CODEC_ADC_ACTL_PREG1 (25)
+#define SUN4I_CODEC_ADC_ACTL_PREG2 (23)
#define SUN4I_CODEC_ADC_ACTL_VADCG (20)
#define SUN4I_CODEC_ADC_ACTL_ADCIS (17)
+#define SUN4I_CODEC_ADC_ACTL_LNPREG (13)
#define SUN4I_CODEC_ADC_ACTL_PA_EN (4)
#define SUN4I_CODEC_ADC_ACTL_DDE (3)
#define SUN4I_CODEC_ADC_DEBUG (0x2c)
@@ -109,6 +114,9 @@
/* Microphone controls (sun7i only) */
#define SUN7I_CODEC_AC_MIC_PHONE_CAL (0x3c)
+
+#define SUN7I_CODEC_AC_MIC_PHONE_CAL_PREG1 (29)
+#define SUN7I_CODEC_AC_MIC_PHONE_CAL_PREG2 (26)
/*
* sun6i specific registers
@@ -278,7 +286,7 @@
static int sun4i_codec_trigger(struct snd_pcm_substream *substream, int cmd,
struct snd_soc_dai *dai)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
switch (cmd) {
@@ -310,7 +318,7 @@
static int sun4i_codec_prepare_capture(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
@@ -327,7 +335,7 @@
/*
* FIXME: Undocumented in the datasheet, but
- * Allwinner's code mentions that it is related
+ * Allwinner's code mentions that it is
* related to microphone gain
*/
if (of_device_is_compatible(scodec->dev->of_node,
@@ -352,7 +360,7 @@
static int sun4i_codec_prepare_playback(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
u32 val;
@@ -565,7 +573,7 @@
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
unsigned long clk_freq;
int ret, hwrate;
@@ -606,7 +614,7 @@
static int sun4i_codec_startup(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
snd_pcm_hw_constraint_list(substream->runtime, 0,
@@ -626,7 +634,7 @@
static void sun4i_codec_shutdown(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
clk_disable_unprepare(scodec->clk_module);
@@ -673,23 +681,91 @@
SUN4I_CODEC_DAC_ACTL_PA_MUTE, 1, 0);
static DECLARE_TLV_DB_SCALE(sun4i_codec_pa_volume_scale, -6300, 100, 1);
+static DECLARE_TLV_DB_SCALE(sun4i_codec_linein_loopback_gain_scale, -150, 150,
+ 0);
+static DECLARE_TLV_DB_SCALE(sun4i_codec_linein_preamp_gain_scale, -1200, 300,
+ 0);
+static DECLARE_TLV_DB_SCALE(sun4i_codec_fmin_loopback_gain_scale, -450, 150,
+ 0);
+static DECLARE_TLV_DB_SCALE(sun4i_codec_micin_loopback_gain_scale, -450, 150,
+ 0);
+static DECLARE_TLV_DB_RANGE(sun4i_codec_micin_preamp_gain_scale,
+ 0, 0, TLV_DB_SCALE_ITEM(0, 0, 0),
+ 1, 7, TLV_DB_SCALE_ITEM(3500, 300, 0));
+static DECLARE_TLV_DB_RANGE(sun7i_codec_micin_preamp_gain_scale,
+ 0, 0, TLV_DB_SCALE_ITEM(0, 0, 0),
+ 1, 7, TLV_DB_SCALE_ITEM(2400, 300, 0));
static const struct snd_kcontrol_new sun4i_codec_controls[] = {
SOC_SINGLE_TLV("Power Amplifier Volume", SUN4I_CODEC_DAC_ACTL,
SUN4I_CODEC_DAC_ACTL_PA_VOL, 0x3F, 0,
sun4i_codec_pa_volume_scale),
+ SOC_SINGLE_TLV("Line Playback Volume", SUN4I_CODEC_DAC_ACTL,
+ SUN4I_CODEC_DAC_ACTL_LNG, 1, 0,
+ sun4i_codec_linein_loopback_gain_scale),
+ SOC_SINGLE_TLV("Line Boost Volume", SUN4I_CODEC_ADC_ACTL,
+ SUN4I_CODEC_ADC_ACTL_LNPREG, 7, 0,
+ sun4i_codec_linein_preamp_gain_scale),
+ SOC_SINGLE_TLV("FM Playback Volume", SUN4I_CODEC_DAC_ACTL,
+ SUN4I_CODEC_DAC_ACTL_FMG, 3, 0,
+ sun4i_codec_fmin_loopback_gain_scale),
+ SOC_SINGLE_TLV("Mic Playback Volume", SUN4I_CODEC_DAC_ACTL,
+ SUN4I_CODEC_DAC_ACTL_MICG, 7, 0,
+ sun4i_codec_micin_loopback_gain_scale),
+ SOC_SINGLE_TLV("Mic1 Boost Volume", SUN4I_CODEC_ADC_ACTL,
+ SUN4I_CODEC_ADC_ACTL_PREG1, 3, 0,
+ sun4i_codec_micin_preamp_gain_scale),
+ SOC_SINGLE_TLV("Mic2 Boost Volume", SUN4I_CODEC_ADC_ACTL,
+ SUN4I_CODEC_ADC_ACTL_PREG2, 3, 0,
+ sun4i_codec_micin_preamp_gain_scale),
};
-static const struct snd_kcontrol_new sun4i_codec_left_mixer_controls[] = {
- SOC_DAPM_SINGLE("Left DAC Playback Switch", SUN4I_CODEC_DAC_ACTL,
- SUN4I_CODEC_DAC_ACTL_LDACLMIXS, 1, 0),
+static const struct snd_kcontrol_new sun7i_codec_controls[] = {
+ SOC_SINGLE_TLV("Power Amplifier Volume", SUN4I_CODEC_DAC_ACTL,
+ SUN4I_CODEC_DAC_ACTL_PA_VOL, 0x3F, 0,
+ sun4i_codec_pa_volume_scale),
+ SOC_SINGLE_TLV("Line Playback Volume", SUN4I_CODEC_DAC_ACTL,
+ SUN4I_CODEC_DAC_ACTL_LNG, 1, 0,
+ sun4i_codec_linein_loopback_gain_scale),
+ SOC_SINGLE_TLV("Line Boost Volume", SUN4I_CODEC_ADC_ACTL,
+ SUN4I_CODEC_ADC_ACTL_LNPREG, 7, 0,
+ sun4i_codec_linein_preamp_gain_scale),
+ SOC_SINGLE_TLV("FM Playback Volume", SUN4I_CODEC_DAC_ACTL,
+ SUN4I_CODEC_DAC_ACTL_FMG, 3, 0,
+ sun4i_codec_fmin_loopback_gain_scale),
+ SOC_SINGLE_TLV("Mic Playback Volume", SUN4I_CODEC_DAC_ACTL,
+ SUN4I_CODEC_DAC_ACTL_MICG, 7, 0,
+ sun4i_codec_micin_loopback_gain_scale),
+ SOC_SINGLE_TLV("Mic1 Boost Volume", SUN7I_CODEC_AC_MIC_PHONE_CAL,
+ SUN7I_CODEC_AC_MIC_PHONE_CAL_PREG1, 7, 0,
+ sun7i_codec_micin_preamp_gain_scale),
+ SOC_SINGLE_TLV("Mic2 Boost Volume", SUN7I_CODEC_AC_MIC_PHONE_CAL,
+ SUN7I_CODEC_AC_MIC_PHONE_CAL_PREG2, 7, 0,
+ sun7i_codec_micin_preamp_gain_scale),
};
-static const struct snd_kcontrol_new sun4i_codec_right_mixer_controls[] = {
- SOC_DAPM_SINGLE("Right DAC Playback Switch", SUN4I_CODEC_DAC_ACTL,
- SUN4I_CODEC_DAC_ACTL_RDACRMIXS, 1, 0),
- SOC_DAPM_SINGLE("Left DAC Playback Switch", SUN4I_CODEC_DAC_ACTL,
+static const struct snd_kcontrol_new sun4i_codec_mixer_controls[] = {
+ SOC_DAPM_SINGLE("Left Mixer Left DAC Playback Switch",
+ SUN4I_CODEC_DAC_ACTL, SUN4I_CODEC_DAC_ACTL_LDACLMIXS,
+ 1, 0),
+ SOC_DAPM_SINGLE("Right Mixer Right DAC Playback Switch",
+ SUN4I_CODEC_DAC_ACTL, SUN4I_CODEC_DAC_ACTL_RDACRMIXS,
+ 1, 0),
+ SOC_DAPM_SINGLE("Right Mixer Left DAC Playback Switch",
+ SUN4I_CODEC_DAC_ACTL,
SUN4I_CODEC_DAC_ACTL_LDACRMIXS, 1, 0),
+ SOC_DAPM_DOUBLE("Line Playback Switch", SUN4I_CODEC_DAC_ACTL,
+ SUN4I_CODEC_DAC_ACTL_LLNS,
+ SUN4I_CODEC_DAC_ACTL_RLNS, 1, 0),
+ SOC_DAPM_DOUBLE("FM Playback Switch", SUN4I_CODEC_DAC_ACTL,
+ SUN4I_CODEC_DAC_ACTL_LFMS,
+ SUN4I_CODEC_DAC_ACTL_RFMS, 1, 0),
+ SOC_DAPM_DOUBLE("Mic1 Playback Switch", SUN4I_CODEC_DAC_ACTL,
+ SUN4I_CODEC_DAC_ACTL_MIC1LS,
+ SUN4I_CODEC_DAC_ACTL_MIC1RS, 1, 0),
+ SOC_DAPM_DOUBLE("Mic2 Playback Switch", SUN4I_CODEC_DAC_ACTL,
+ SUN4I_CODEC_DAC_ACTL_MIC2LS,
+ SUN4I_CODEC_DAC_ACTL_MIC2RS, 1, 0),
};
static const struct snd_kcontrol_new sun4i_codec_pa_mixer_controls[] = {
@@ -724,11 +800,11 @@
/* Mixers */
SND_SOC_DAPM_MIXER("Left Mixer", SND_SOC_NOPM, 0, 0,
- sun4i_codec_left_mixer_controls,
- ARRAY_SIZE(sun4i_codec_left_mixer_controls)),
+ sun4i_codec_mixer_controls,
+ ARRAY_SIZE(sun4i_codec_mixer_controls)),
SND_SOC_DAPM_MIXER("Right Mixer", SND_SOC_NOPM, 0, 0,
- sun4i_codec_right_mixer_controls,
- ARRAY_SIZE(sun4i_codec_right_mixer_controls)),
+ sun4i_codec_mixer_controls,
+ ARRAY_SIZE(sun4i_codec_mixer_controls)),
/* Global Mixer Enable */
SND_SOC_DAPM_SUPPLY("Mixer Enable", SUN4I_CODEC_DAC_ACTL,
@@ -741,6 +817,8 @@
/* Mic Pre-Amplifiers */
SND_SOC_DAPM_PGA("MIC1 Pre-Amplifier", SUN4I_CODEC_ADC_ACTL,
SUN4I_CODEC_ADC_ACTL_PREG1EN, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("MIC2 Pre-Amplifier", SUN4I_CODEC_ADC_ACTL,
+ SUN4I_CODEC_ADC_ACTL_PREG2EN, 0, NULL, 0),
/* Power Amplifier */
SND_SOC_DAPM_MIXER("Power Amplifier", SUN4I_CODEC_ADC_ACTL,
@@ -750,7 +828,12 @@
SND_SOC_DAPM_SWITCH("Power Amplifier Mute", SND_SOC_NOPM, 0, 0,
&sun4i_codec_pa_mute),
+ SND_SOC_DAPM_INPUT("Line Right"),
+ SND_SOC_DAPM_INPUT("Line Left"),
+ SND_SOC_DAPM_INPUT("FM Right"),
+ SND_SOC_DAPM_INPUT("FM Left"),
SND_SOC_DAPM_INPUT("Mic1"),
+ SND_SOC_DAPM_INPUT("Mic2"),
SND_SOC_DAPM_OUTPUT("HP Right"),
SND_SOC_DAPM_OUTPUT("HP Left"),
@@ -767,12 +850,20 @@
/* Right Mixer Routes */
{ "Right Mixer", NULL, "Mixer Enable" },
- { "Right Mixer", "Left DAC Playback Switch", "Left DAC" },
- { "Right Mixer", "Right DAC Playback Switch", "Right DAC" },
+ { "Right Mixer", "Right Mixer Left DAC Playback Switch", "Left DAC" },
+ { "Right Mixer", "Right Mixer Right DAC Playback Switch", "Right DAC" },
+ { "Right Mixer", "Line Playback Switch", "Line Right" },
+ { "Right Mixer", "FM Playback Switch", "FM Right" },
+ { "Right Mixer", "Mic1 Playback Switch", "MIC1 Pre-Amplifier" },
+ { "Right Mixer", "Mic2 Playback Switch", "MIC2 Pre-Amplifier" },
/* Left Mixer Routes */
{ "Left Mixer", NULL, "Mixer Enable" },
- { "Left Mixer", "Left DAC Playback Switch", "Left DAC" },
+ { "Left Mixer", "Left Mixer Left DAC Playback Switch", "Left DAC" },
+ { "Left Mixer", "Line Playback Switch", "Line Left" },
+ { "Left Mixer", "FM Playback Switch", "FM Left" },
+ { "Left Mixer", "Mic1 Playback Switch", "MIC1 Pre-Amplifier" },
+ { "Left Mixer", "Mic2 Playback Switch", "MIC2 Pre-Amplifier" },
/* Power Amplifier Routes */
{ "Power Amplifier", "Mixer Playback Switch", "Left Mixer" },
@@ -790,11 +881,30 @@
{ "Right ADC", NULL, "MIC1 Pre-Amplifier" },
{ "MIC1 Pre-Amplifier", NULL, "Mic1"},
{ "Mic1", NULL, "VMIC" },
+
+ /* Mic2 Routes */
+ { "Left ADC", NULL, "MIC2 Pre-Amplifier" },
+ { "Right ADC", NULL, "MIC2 Pre-Amplifier" },
+ { "MIC2 Pre-Amplifier", NULL, "Mic2"},
+ { "Mic2", NULL, "VMIC" },
};
static const struct snd_soc_component_driver sun4i_codec_codec = {
.controls = sun4i_codec_controls,
.num_controls = ARRAY_SIZE(sun4i_codec_controls),
+ .dapm_widgets = sun4i_codec_codec_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(sun4i_codec_codec_dapm_widgets),
+ .dapm_routes = sun4i_codec_codec_dapm_routes,
+ .num_dapm_routes = ARRAY_SIZE(sun4i_codec_codec_dapm_routes),
+ .idle_bias_on = 1,
+ .use_pmdown_time = 1,
+ .endianness = 1,
+ .non_legacy_dai_naming = 1,
+};
+
+static const struct snd_soc_component_driver sun7i_codec_codec = {
+ .controls = sun7i_codec_controls,
+ .num_controls = ARRAY_SIZE(sun7i_codec_controls),
.dapm_widgets = sun4i_codec_codec_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(sun4i_codec_codec_dapm_widgets),
.dapm_routes = sun4i_codec_codec_dapm_routes,
@@ -1186,15 +1296,25 @@
{
struct snd_soc_dai_link *link = devm_kzalloc(dev, sizeof(*link),
GFP_KERNEL);
- if (!link)
+ struct snd_soc_dai_link_component *dlc = devm_kzalloc(dev,
+ 3 * sizeof(*dlc), GFP_KERNEL);
+ if (!link || !dlc)
return NULL;
+
+ link->cpus = &dlc[0];
+ link->codecs = &dlc[1];
+ link->platforms = &dlc[2];
+
+ link->num_cpus = 1;
+ link->num_codecs = 1;
+ link->num_platforms = 1;
link->name = "cdc";
link->stream_name = "CDC PCM";
- link->codec_dai_name = "Codec";
- link->cpu_dai_name = dev_name(dev);
- link->codec_name = dev_name(dev);
- link->platform_name = dev_name(dev);
+ link->codecs->dai_name = "Codec";
+ link->cpus->dai_name = dev_name(dev);
+ link->codecs->name = dev_name(dev);
+ link->platforms->name = dev_name(dev);
link->dai_fmt = SND_SOC_DAIFMT_I2S;
*num_links = 1;
@@ -1209,6 +1329,15 @@
gpiod_set_value_cansleep(scodec->gpio_pa,
!!SND_SOC_DAPM_EVENT_ON(event));
+
+ if (SND_SOC_DAPM_EVENT_ON(event)) {
+ /*
+ * Need a delay to wait for DAC to push the data. 700ms seems
+ * to be the best compromise not to feel this delay while
+ * playing a sound.
+ */
+ msleep(700);
+ }
return 0;
}
@@ -1297,7 +1426,7 @@
};
static struct snd_soc_aux_dev aux_dev = {
- .name = "Codec Analog Controls",
+ .dlc = COMP_EMPTY(),
};
static struct snd_soc_card *sun8i_a23_codec_create_card(struct device *dev)
@@ -1309,13 +1438,13 @@
if (!card)
return ERR_PTR(-ENOMEM);
- aux_dev.codec_of_node = of_parse_phandle(dev->of_node,
+ aux_dev.dlc.of_node = of_parse_phandle(dev->of_node,
"allwinner,codec-analog-controls",
0);
- if (!aux_dev.codec_of_node) {
+ if (!aux_dev.dlc.of_node) {
dev_err(dev, "Can't find analog controls for codec.\n");
return ERR_PTR(-EINVAL);
- };
+ }
card->dai_link = sun4i_codec_create_link(dev, &card->num_links);
if (!card->dai_link)
@@ -1348,13 +1477,13 @@
if (!card)
return ERR_PTR(-ENOMEM);
- aux_dev.codec_of_node = of_parse_phandle(dev->of_node,
+ aux_dev.dlc.of_node = of_parse_phandle(dev->of_node,
"allwinner,codec-analog-controls",
0);
- if (!aux_dev.codec_of_node) {
+ if (!aux_dev.dlc.of_node) {
dev_err(dev, "Can't find analog controls for codec.\n");
return ERR_PTR(-EINVAL);
- };
+ }
card->dai_link = sun4i_codec_create_link(dev, &card->num_links);
if (!card->dai_link)
@@ -1387,13 +1516,13 @@
if (!card)
return ERR_PTR(-ENOMEM);
- aux_dev.codec_of_node = of_parse_phandle(dev->of_node,
+ aux_dev.dlc.of_node = of_parse_phandle(dev->of_node,
"allwinner,codec-analog-controls",
0);
- if (!aux_dev.codec_of_node) {
+ if (!aux_dev.dlc.of_node) {
dev_err(dev, "Can't find analog controls for codec.\n");
return ERR_PTR(-EINVAL);
- };
+ }
card->dai_link = sun4i_codec_create_link(dev, &card->num_links);
if (!card->dai_link)
@@ -1490,7 +1619,7 @@
static const struct sun4i_codec_quirks sun7i_codec_quirks = {
.regmap_config = &sun7i_codec_regmap_config,
- .codec = &sun4i_codec_codec,
+ .codec = &sun7i_codec_codec,
.create_card = sun4i_codec_create_card,
.reg_adc_fifoc = REG_FIELD(SUN4I_CODEC_ADC_FIFOC, 0, 31),
.reg_dac_txdata = SUN4I_CODEC_DAC_TXDATA,
--
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