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Commit be7bd03f authored by Shengjiu Wang's avatar Shengjiu Wang Committed by Mark Brown
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ASoC: fsl_asrc: Move common definition to fsl_asrc_common 

There is a new ASRC included in i.MX serial platform, there
are some common definition can be shared with each other.
So move the common definition to a separate header file.

And add fsl_asrc_pair_priv and fsl_asrc_priv for
the variable specific for the module, which can be used
internally.
Signed-off-by: default avatarShengjiu Wang <shengjiu.wang@nxp.com>
Acked-by: default avatarNicolin Chen <nicoleotsuka@gmail.com>
Link: https://lore.kernel.org/r/7106993928ea9e9720e6b42ec601871103155b1c.1587038908.git.shengjiu.wang@nxp.comSigned-off-by: default avatarMark Brown <broonie@kernel.org>
parent 4520af41
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Showing with 178 additions and 109 deletions
sound/soc/fsl/fsl_asrc.c
View file @ be7bd03f
......@@ -308,8 +308,10 @@ static int fsl_asrc_set_ideal_ratio(struct fsl_asrc_pair *pair,
*/
static int fsl_asrc_config_pair(struct fsl_asrc_pair *pair, bool use_ideal_rate)
{
struct asrc_config *config = pair->config;
struct fsl_asrc_pair_priv *pair_priv = pair->private;
struct asrc_config *config = pair_priv->config;
struct fsl_asrc *asrc = pair->asrc;
struct fsl_asrc_priv *asrc_priv = asrc->private;
enum asrc_pair_index index = pair->index;
enum asrc_word_width input_word_width;
enum asrc_word_width output_word_width;
......@@ -392,11 +394,11 @@ static int fsl_asrc_config_pair(struct fsl_asrc_pair *pair, bool use_ideal_rate)
}
/* Validate input and output clock sources */
clk_index[IN] = asrc->clk_map[IN][config->inclk];
clk_index[OUT] = asrc->clk_map[OUT][config->outclk];
clk_index[IN] = asrc_priv->clk_map[IN][config->inclk];
clk_index[OUT] = asrc_priv->clk_map[OUT][config->outclk];
/* We only have output clock for ideal ratio mode */
clk = asrc->asrck_clk[clk_index[ideal ? OUT : IN]];
clk = asrc_priv->asrck_clk[clk_index[ideal ? OUT : IN]];
clk_rate = clk_get_rate(clk);
rem[IN] = do_div(clk_rate, inrate);
......@@ -417,7 +419,7 @@ static int fsl_asrc_config_pair(struct fsl_asrc_pair *pair, bool use_ideal_rate)
div[IN] = min_t(u32, 1024, div[IN]);
clk = asrc->asrck_clk[clk_index[OUT]];
clk = asrc_priv->asrck_clk[clk_index[OUT]];
clk_rate = clk_get_rate(clk);
if (ideal && use_ideal_rate)
rem[OUT] = do_div(clk_rate, IDEAL_RATIO_RATE);
......@@ -437,13 +439,13 @@ static int fsl_asrc_config_pair(struct fsl_asrc_pair *pair, bool use_ideal_rate)
/* Set the channel number */
channels = config->channel_num;
if (asrc->soc->channel_bits < 4)
if (asrc_priv->soc->channel_bits < 4)
channels /= 2;
/* Update channels for current pair */
regmap_update_bits(asrc->regmap, REG_ASRCNCR,
ASRCNCR_ANCi_MASK(index, asrc->soc->channel_bits),
ASRCNCR_ANCi(index, channels, asrc->soc->channel_bits));
ASRCNCR_ANCi_MASK(index, asrc_priv->soc->channel_bits),
ASRCNCR_ANCi(index, channels, asrc_priv->soc->channel_bits));
/* Default setting: Automatic selection for processing mode */
regmap_update_bits(asrc->regmap, REG_ASRCTR,
......@@ -568,9 +570,10 @@ static int fsl_asrc_dai_startup(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct fsl_asrc *asrc = snd_soc_dai_get_drvdata(dai);
struct fsl_asrc_priv *asrc_priv = asrc->private;
/* Odd channel number is not valid for older ASRC (channel_bits==3) */
if (asrc->soc->channel_bits == 3)
if (asrc_priv->soc->channel_bits == 3)
snd_pcm_hw_constraint_step(substream->runtime, 0,
SNDRV_PCM_HW_PARAM_CHANNELS, 2);
......@@ -586,6 +589,7 @@ static int fsl_asrc_dai_hw_params(struct snd_pcm_substream *substream,
struct fsl_asrc *asrc = snd_soc_dai_get_drvdata(dai);
struct snd_pcm_runtime *runtime = substream->runtime;
struct fsl_asrc_pair *pair = runtime->private_data;
struct fsl_asrc_pair_priv *pair_priv = pair->private;
unsigned int channels = params_channels(params);
unsigned int rate = params_rate(params);
struct asrc_config config;
......@@ -597,7 +601,7 @@ static int fsl_asrc_dai_hw_params(struct snd_pcm_substream *substream,
return ret;
}
pair->config = &config;
pair_priv->config = &config;
config.pair = pair->index;
config.channel_num = channels;
......@@ -931,9 +935,15 @@ static irqreturn_t fsl_asrc_isr(int irq, void *dev_id)
return IRQ_HANDLED;
}
static int fsl_asrc_get_fifo_addr(u8 dir, enum asrc_pair_index index)
{
return REG_ASRDx(dir, index);
}
static int fsl_asrc_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
struct fsl_asrc_priv *asrc_priv;
struct fsl_asrc *asrc;
struct resource *res;
void __iomem *regs;
......@@ -946,7 +956,12 @@ static int fsl_asrc_probe(struct platform_device *pdev)
if (!asrc)
return -ENOMEM;
asrc_priv = devm_kzalloc(&pdev->dev, sizeof(*asrc_priv), GFP_KERNEL);
if (!asrc_priv)
return -ENOMEM;
asrc->pdev = pdev;
asrc->private = asrc_priv;
/* Get the addresses and IRQ */
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
......@@ -992,25 +1007,32 @@ static int fsl_asrc_probe(struct platform_device *pdev)
for (i = 0; i < ASRC_CLK_MAX_NUM; i++) {
sprintf(tmp, "asrck_%x", i);
asrc->asrck_clk[i] = devm_clk_get(&pdev->dev, tmp);
if (IS_ERR(asrc->asrck_clk[i])) {
asrc_priv->asrck_clk[i] = devm_clk_get(&pdev->dev, tmp);
if (IS_ERR(asrc_priv->asrck_clk[i])) {
dev_err(&pdev->dev, "failed to get %s clock\n", tmp);
return PTR_ERR(asrc->asrck_clk[i]);
return PTR_ERR(asrc_priv->asrck_clk[i]);
}
}
asrc->soc = of_device_get_match_data(&pdev->dev);
if (!asrc->soc) {
asrc_priv->soc = of_device_get_match_data(&pdev->dev);
if (!asrc_priv->soc) {
dev_err(&pdev->dev, "failed to get soc data\n");
return -ENODEV;
}
asrc->use_edma = asrc_priv->soc->use_edma;
asrc->get_dma_channel = fsl_asrc_get_dma_channel;
asrc->request_pair = fsl_asrc_request_pair;
asrc->release_pair = fsl_asrc_release_pair;
asrc->get_fifo_addr = fsl_asrc_get_fifo_addr;
asrc->pair_priv_size = sizeof(struct fsl_asrc_pair_priv);
if (of_device_is_compatible(np, "fsl,imx35-asrc")) {
asrc->clk_map[IN] = input_clk_map_imx35;
asrc->clk_map[OUT] = output_clk_map_imx35;
asrc_priv->clk_map[IN] = input_clk_map_imx35;
asrc_priv->clk_map[OUT] = output_clk_map_imx35;
} else if (of_device_is_compatible(np, "fsl,imx53-asrc")) {
asrc->clk_map[IN] = input_clk_map_imx53;
asrc->clk_map[OUT] = output_clk_map_imx53;
asrc_priv->clk_map[IN] = input_clk_map_imx53;
asrc_priv->clk_map[OUT] = output_clk_map_imx53;
} else if (of_device_is_compatible(np, "fsl,imx8qm-asrc") ||
of_device_is_compatible(np, "fsl,imx8qxp-asrc")) {
ret = of_property_read_u32(np, "fsl,asrc-clk-map", &map_idx);
......@@ -1024,11 +1046,11 @@ static int fsl_asrc_probe(struct platform_device *pdev)
return -EINVAL;
}
if (of_device_is_compatible(np, "fsl,imx8qm-asrc")) {
asrc->clk_map[IN] = clk_map_imx8qm[map_idx];
asrc->clk_map[OUT] = clk_map_imx8qm[map_idx];
asrc_priv->clk_map[IN] = clk_map_imx8qm[map_idx];
asrc_priv->clk_map[OUT] = clk_map_imx8qm[map_idx];
} else {
asrc->clk_map[IN] = clk_map_imx8qxp[map_idx];
asrc->clk_map[OUT] = clk_map_imx8qxp[map_idx];
asrc_priv->clk_map[IN] = clk_map_imx8qxp[map_idx];
asrc_priv->clk_map[OUT] = clk_map_imx8qxp[map_idx];
}
}
......@@ -1093,6 +1115,7 @@ static int fsl_asrc_probe(struct platform_device *pdev)
static int fsl_asrc_runtime_resume(struct device *dev)
{
struct fsl_asrc *asrc = dev_get_drvdata(dev);
struct fsl_asrc_priv *asrc_priv = asrc->private;
int i, ret;
ret = clk_prepare_enable(asrc->mem_clk);
......@@ -1107,7 +1130,7 @@ static int fsl_asrc_runtime_resume(struct device *dev)
goto disable_ipg_clk;
}
for (i = 0; i < ASRC_CLK_MAX_NUM; i++) {
ret = clk_prepare_enable(asrc->asrck_clk[i]);
ret = clk_prepare_enable(asrc_priv->asrck_clk[i]);
if (ret)
goto disable_asrck_clk;
}
......@@ -1116,7 +1139,7 @@ static int fsl_asrc_runtime_resume(struct device *dev)
disable_asrck_clk:
for (i--; i >= 0; i--)
clk_disable_unprepare(asrc->asrck_clk[i]);
clk_disable_unprepare(asrc_priv->asrck_clk[i]);
if (!IS_ERR(asrc->spba_clk))
clk_disable_unprepare(asrc->spba_clk);
disable_ipg_clk:
......@@ -1129,10 +1152,11 @@ static int fsl_asrc_runtime_resume(struct device *dev)
static int fsl_asrc_runtime_suspend(struct device *dev)
{
struct fsl_asrc *asrc = dev_get_drvdata(dev);
struct fsl_asrc_priv *asrc_priv = asrc->private;
int i;
for (i = 0; i < ASRC_CLK_MAX_NUM; i++)
clk_disable_unprepare(asrc->asrck_clk[i]);
clk_disable_unprepare(asrc_priv->asrck_clk[i]);
if (!IS_ERR(asrc->spba_clk))
clk_disable_unprepare(asrc->spba_clk);
clk_disable_unprepare(asrc->ipg_clk);
......@@ -1146,9 +1170,10 @@ static int fsl_asrc_runtime_suspend(struct device *dev)
static int fsl_asrc_suspend(struct device *dev)
{
struct fsl_asrc *asrc = dev_get_drvdata(dev);
struct fsl_asrc_priv *asrc_priv = asrc->private;
regmap_read(asrc->regmap, REG_ASRCFG,
&asrc->regcache_cfg);
&asrc_priv->regcache_cfg);
regcache_cache_only(asrc->regmap, true);
regcache_mark_dirty(asrc->regmap);
......@@ -1159,6 +1184,7 @@ static int fsl_asrc_suspend(struct device *dev)
static int fsl_asrc_resume(struct device *dev)
{
struct fsl_asrc *asrc = dev_get_drvdata(dev);
struct fsl_asrc_priv *asrc_priv = asrc->private;
u32 asrctr;
/* Stop all pairs provisionally */
......@@ -1172,7 +1198,7 @@ static int fsl_asrc_resume(struct device *dev)
regmap_update_bits(asrc->regmap, REG_ASRCFG,
ASRCFG_NDPRi_ALL_MASK | ASRCFG_POSTMODi_ALL_MASK |
ASRCFG_PREMODi_ALL_MASK, asrc->regcache_cfg);
ASRCFG_PREMODi_ALL_MASK, asrc_priv->regcache_cfg);
/* Restart enabled pairs */
regmap_update_bits(asrc->regmap, REG_ASRCTR,
......
sound/soc/fsl/fsl_asrc.h
View file @ be7bd03f
......@@ -10,8 +10,7 @@
#ifndef _FSL_ASRC_H
#define _FSL_ASRC_H
#define IN 0
#define OUT 1
#include "fsl_asrc_common.h"
#define ASRC_DMA_BUFFER_NUM 2
#define ASRC_INPUTFIFO_THRESHOLD 32
......@@ -283,14 +282,6 @@
#define ASRMCR1i_OW16_MASK (1 << ASRMCR1i_OW16_SHIFT)
#define ASRMCR1i_OW16(v) ((v) << ASRMCR1i_OW16_SHIFT)
enum asrc_pair_index {
ASRC_INVALID_PAIR = -1,
ASRC_PAIR_A = 0,
ASRC_PAIR_B = 1,
ASRC_PAIR_C = 2,
};
#define ASRC_PAIR_MAX_NUM (ASRC_PAIR_C + 1)
enum asrc_inclk {
......@@ -446,83 +437,28 @@ struct fsl_asrc_soc_data {
};
/**
* fsl_asrc_pair: ASRC Pair private data
* fsl_asrc_pair_priv: ASRC Pair private data
*
* @asrc: pointer to its parent module
* @config: configuration profile
* @error: error record
* @index: pair index (ASRC_PAIR_A, ASRC_PAIR_B, ASRC_PAIR_C)
* @channels: occupied channel number
* @desc: input and output dma descriptors
* @dma_chan: inputer and output DMA channels
* @dma_data: private dma data
* @pos: hardware pointer position
* @private: pair private area
*/
struct fsl_asrc_pair {
struct fsl_asrc *asrc;
struct fsl_asrc_pair_priv {
struct asrc_config *config;
unsigned int error;
enum asrc_pair_index index;
unsigned int channels;
struct dma_async_tx_descriptor *desc[2];
struct dma_chan *dma_chan[2];
struct imx_dma_data dma_data;
unsigned int pos;
void *private;
};
/**
* fsl_asrc_pair: ASRC private data
* fsl_asrc_priv: ASRC private data
*
* @dma_params_rx: DMA parameters for receive channel
* @dma_params_tx: DMA parameters for transmit channel
* @pdev: platform device pointer
* @regmap: regmap handler
* @paddr: physical address to the base address of registers
* @mem_clk: clock source to access register
* @ipg_clk: clock source to drive peripheral
* @spba_clk: SPBA clock (optional, depending on SoC design)
* @asrck_clk: clock sources to driver ASRC internal logic
* @lock: spin lock for resource protection
* @pair: pair pointers
* @soc: soc specific data
* @channel_avail: non-occupied channel numbers
* @clk_map: clock map for input/output clock
* @asrc_rate: default sample rate for ASoC Back-Ends
* @asrc_format: default sample format for ASoC Back-Ends
* @regcache_cfg: store register value of REG_ASRCFG
*/
struct fsl_asrc {
struct snd_dmaengine_dai_dma_data dma_params_rx;
struct snd_dmaengine_dai_dma_data dma_params_tx;
struct platform_device *pdev;
struct regmap *regmap;
unsigned long paddr;
struct clk *mem_clk;
struct clk *ipg_clk;
struct clk *spba_clk;
struct fsl_asrc_priv {
struct clk *asrck_clk[ASRC_CLK_MAX_NUM];
spinlock_t lock;
struct fsl_asrc_pair *pair[ASRC_PAIR_MAX_NUM];
const struct fsl_asrc_soc_data *soc;
unsigned int channel_avail;
unsigned char *clk_map[2];
int asrc_rate;
snd_pcm_format_t asrc_format;
u32 regcache_cfg;
};
#define DRV_NAME "fsl-asrc-dai"
extern struct snd_soc_component_driver fsl_asrc_component;
struct dma_chan *fsl_asrc_get_dma_channel(struct fsl_asrc_pair *pair, bool dir);
int fsl_asrc_request_pair(int channels, struct fsl_asrc_pair *pair);
void fsl_asrc_release_pair(struct fsl_asrc_pair *pair);
#endif /* _FSL_ASRC_H */
sound/soc/fsl/fsl_asrc_common.h 0 → 100644
View file @ be7bd03f
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright 2019 NXP
*
*/
#ifndef _FSL_ASRC_COMMON_H
#define _FSL_ASRC_COMMON_H
/* directions */
#define IN 0
#define OUT 1
enum asrc_pair_index {
ASRC_INVALID_PAIR = -1,
ASRC_PAIR_A = 0,
ASRC_PAIR_B = 1,
ASRC_PAIR_C = 2,
ASRC_PAIR_D = 3,
};
#define PAIR_CTX_NUM 0x4
/**
* fsl_asrc_pair: ASRC Pair common data
*
* @asrc: pointer to its parent module
* @error: error record
* @index: pair index (ASRC_PAIR_A, ASRC_PAIR_B, ASRC_PAIR_C)
* @channels: occupied channel number
* @desc: input and output dma descriptors
* @dma_chan: inputer and output DMA channels
* @dma_data: private dma data
* @pos: hardware pointer position
* @private: pair private area
*/
struct fsl_asrc_pair {
struct fsl_asrc *asrc;
unsigned int error;
enum asrc_pair_index index;
unsigned int channels;
struct dma_async_tx_descriptor *desc[2];
struct dma_chan *dma_chan[2];
struct imx_dma_data dma_data;
unsigned int pos;
void *private;
};
/**
* fsl_asrc: ASRC common data
*
* @dma_params_rx: DMA parameters for receive channel
* @dma_params_tx: DMA parameters for transmit channel
* @pdev: platform device pointer
* @regmap: regmap handler
* @paddr: physical address to the base address of registers
* @mem_clk: clock source to access register
* @ipg_clk: clock source to drive peripheral
* @spba_clk: SPBA clock (optional, depending on SoC design)
* @lock: spin lock for resource protection
* @pair: pair pointers
* @channel_avail: non-occupied channel numbers
* @asrc_rate: default sample rate for ASoC Back-Ends
* @asrc_format: default sample format for ASoC Back-Ends
* @use_edma: edma is used
* @get_dma_channel: function pointer
* @request_pair: function pointer
* @release_pair: function pointer
* @get_fifo_addr: function pointer
* @pair_priv_size: size of pair private struct.
* @private: private data structure
*/
struct fsl_asrc {
struct snd_dmaengine_dai_dma_data dma_params_rx;
struct snd_dmaengine_dai_dma_data dma_params_tx;
struct platform_device *pdev;
struct regmap *regmap;
unsigned long paddr;
struct clk *mem_clk;
struct clk *ipg_clk;
struct clk *spba_clk;
spinlock_t lock; /* spin lock for resource protection */
struct fsl_asrc_pair *pair[PAIR_CTX_NUM];
unsigned int channel_avail;
int asrc_rate;
snd_pcm_format_t asrc_format;
bool use_edma;
struct dma_chan *(*get_dma_channel)(struct fsl_asrc_pair *pair, bool dir);
int (*request_pair)(int channels, struct fsl_asrc_pair *pair);
void (*release_pair)(struct fsl_asrc_pair *pair);
int (*get_fifo_addr)(u8 dir, enum asrc_pair_index index);
size_t pair_priv_size;
void *private;
};
#define DRV_NAME "fsl-asrc-dai"
extern struct snd_soc_component_driver fsl_asrc_component;
#endif /* _FSL_ASRC_COMMON_H */
sound/soc/fsl/fsl_asrc_dma.c
View file @ be7bd03f
......@@ -12,7 +12,7 @@
#include <sound/dmaengine_pcm.h>
#include <sound/pcm_params.h>
#include "fsl_asrc.h"
#include "fsl_asrc_common.h"
#define FSL_ASRC_DMABUF_SIZE (256 * 1024)
......@@ -170,10 +170,10 @@ static int fsl_asrc_dma_hw_params(struct snd_soc_component *component,
/* Override dma_data of the Front-End and config its dmaengine */
dma_params_fe = snd_soc_dai_get_dma_data(asoc_rtd_to_cpu(rtd, 0), substream);
dma_params_fe->addr = asrc->paddr + REG_ASRDx(!dir, index);
dma_params_fe->addr = asrc->paddr + asrc->get_fifo_addr(!dir, index);
dma_params_fe->maxburst = dma_params_be->maxburst;
pair->dma_chan[!dir] = fsl_asrc_get_dma_channel(pair, !dir);
pair->dma_chan[!dir] = asrc->get_dma_channel(pair, !dir);
if (!pair->dma_chan[!dir]) {
dev_err(dev, "failed to request DMA channel\n");
return -EINVAL;
......@@ -203,7 +203,7 @@ static int fsl_asrc_dma_hw_params(struct snd_soc_component *component,
* need to configure dma_request and dma_request2, but get dma_chan via
* dma_request_slave_channel directly with dma name of Front-End device
*/
if (!asrc->soc->use_edma) {
if (!asrc->use_edma) {
/* Get DMA request of Back-End */
tmp_chan = dma_request_slave_channel(dev_be, tx ? "tx" : "rx");
tmp_data = tmp_chan->private;
......@@ -211,7 +211,7 @@ static int fsl_asrc_dma_hw_params(struct snd_soc_component *component,
dma_release_channel(tmp_chan);
/* Get DMA request of Front-End */
tmp_chan = fsl_asrc_get_dma_channel(pair, dir);
tmp_chan = asrc->get_dma_channel(pair, dir);
tmp_data = tmp_chan->private;
pair->dma_data.dma_request2 = tmp_data->dma_request;
pair->dma_data.peripheral_type = tmp_data->peripheral_type;
......@@ -222,7 +222,7 @@ static int fsl_asrc_dma_hw_params(struct snd_soc_component *component,
dma_request_channel(mask, filter, &pair->dma_data);
} else {
pair->dma_chan[dir] =
fsl_asrc_get_dma_channel(pair, dir);
asrc->get_dma_channel(pair, dir);
}
if (!pair->dma_chan[dir]) {
......@@ -251,10 +251,10 @@ static int fsl_asrc_dma_hw_params(struct snd_soc_component *component,
config_be.dst_maxburst = dma_params_be->maxburst;
if (tx) {
config_be.src_addr = asrc->paddr + REG_ASRDO(index);
config_be.src_addr = asrc->paddr + asrc->get_fifo_addr(OUT, index);
config_be.dst_addr = dma_params_be->addr;
} else {
config_be.dst_addr = asrc->paddr + REG_ASRDI(index);
config_be.dst_addr = asrc->paddr + asrc->get_fifo_addr(IN, index);
config_be.src_addr = dma_params_be->addr;
}
......@@ -311,11 +311,12 @@ static int fsl_asrc_dma_startup(struct snd_soc_component *component,
return ret;
}
pair = kzalloc(sizeof(struct fsl_asrc_pair), GFP_KERNEL);
pair = kzalloc(sizeof(*pair) + asrc->pair_priv_size, GFP_KERNEL);
if (!pair)
return -ENOMEM;
pair->asrc = asrc;
pair->private = (void *)pair + sizeof(struct fsl_asrc_pair);
runtime->private_data = pair;
......@@ -323,14 +324,14 @@ static int fsl_asrc_dma_startup(struct snd_soc_component *component,
* Request pair function needs channel num as input, for this
* dummy pair, we just request "1" channel temporarily.
*/
ret = fsl_asrc_request_pair(1, pair);
ret = asrc->request_pair(1, pair);
if (ret < 0) {
dev_err(dev, "failed to request asrc pair\n");
goto req_pair_err;
}
/* Request a dummy dma channel, which will be released later. */
tmp_chan = fsl_asrc_get_dma_channel(pair, dir);
tmp_chan = asrc->get_dma_channel(pair, dir);
if (!tmp_chan) {
dev_err(dev, "failed to get dma channel\n");
ret = -EINVAL;
......@@ -356,7 +357,7 @@ static int fsl_asrc_dma_startup(struct snd_soc_component *component,
dma_release_channel(tmp_chan);
dma_chan_err:
fsl_asrc_release_pair(pair);
asrc->release_pair(pair);
req_pair_err:
if (release_pair)
......
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