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: Shengjiu Wang shengjiu.wang@nxp.com --- sound/soc/fsl/fsl_asrc.c | 81 +++++++++++++++--------- sound/soc/fsl/fsl_asrc.h | 74 ++-------------------- sound/soc/fsl/fsl_asrc_common.h | 105 ++++++++++++++++++++++++++++++++ sound/soc/fsl/fsl_asrc_dma.c | 25 ++++---- 4 files changed, 176 insertions(+), 109 deletions(-) create mode 100644 sound/soc/fsl/fsl_asrc_common.h
diff --git a/sound/soc/fsl/fsl_asrc.c b/sound/soc/fsl/fsl_asrc.c index 1ae4b863eadd..2c63349d07ea 100644 --- a/sound/soc/fsl/fsl_asrc.c +++ b/sound/soc/fsl/fsl_asrc.c @@ -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; @@ -931,10 +935,16 @@ 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 *asrc; + struct fsl_asrc_priv *asrc_priv; struct resource *res; void __iomem *regs; int irq, ret, i; @@ -945,7 +955,12 @@ 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); @@ -991,25 +1006,31 @@ 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; + 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); @@ -1023,11 +1044,11 @@ 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]; } }
@@ -1075,6 +1096,7 @@ 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); @@ -1089,7 +1111,7 @@ 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; } @@ -1098,7 +1120,7 @@ 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: @@ -1111,10 +1133,11 @@ 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); @@ -1128,9 +1151,10 @@ 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); @@ -1141,6 +1165,7 @@ 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 */ @@ -1154,7 +1179,7 @@ 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, diff --git a/sound/soc/fsl/fsl_asrc.h b/sound/soc/fsl/fsl_asrc.h index 3b0f156af2c3..86d2422ad606 100644 --- a/sound/soc/fsl/fsl_asrc.h +++ b/sound/soc/fsl/fsl_asrc.h @@ -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 */ diff --git a/sound/soc/fsl/fsl_asrc_common.h b/sound/soc/fsl/fsl_asrc_common.h new file mode 100644 index 000000000000..5c93ccdfc30a --- /dev/null +++ b/sound/soc/fsl/fsl_asrc_common.h @@ -0,0 +1,105 @@ +/* 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 +#define PAIR_PRIVAT_SIZE 0x400 + +/** + * 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_pair: 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 + * @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); + + void *private; +}; + +#define DRV_NAME "fsl-asrc-dai" +extern struct snd_soc_component_driver fsl_asrc_component; + +#endif /* _FSL_ASRC_COMMON_H */ diff --git a/sound/soc/fsl/fsl_asrc_dma.c b/sound/soc/fsl/fsl_asrc_dma.c index d58b2d4bad47..c32d6150e247 100644 --- a/sound/soc/fsl/fsl_asrc_dma.c +++ b/sound/soc/fsl/fsl_asrc_dma.c @@ -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(rtd->cpu_dai, 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(struct fsl_asrc_pair) + PAIR_PRIVAT_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)