diff options
| -rw-r--r-- | include/sound/sh_fsi.h | 6 | ||||
| -rw-r--r-- | sound/soc/sh/fsi.c | 550 |
2 files changed, 487 insertions, 69 deletions
diff --git a/include/sound/sh_fsi.h b/include/sound/sh_fsi.h index 906010344dd..cc1c919c643 100644 --- a/include/sound/sh_fsi.h +++ b/include/sound/sh_fsi.h @@ -26,6 +26,7 @@ * A: inversion * B: format mode * C: chip specific + * D: clock selecter if master mode */ /* A: clock inversion */ @@ -44,6 +45,11 @@ #define SH_FSI_OPTION_MASK 0x00000F00 #define SH_FSI_ENABLE_STREAM_MODE (1 << 8) /* for 16bit data */ +/* D: clock selecter if master mode */ +#define SH_FSI_CLK_MASK 0x0000F000 +#define SH_FSI_CLK_EXTERNAL (0 << 12) +#define SH_FSI_CLK_CPG (1 << 12) /* FSIxCK + FSI-DIV */ + /* * set_rate return value * diff --git a/sound/soc/sh/fsi.c b/sound/soc/sh/fsi.c index 9d7f30774a4..a606d0f93d1 100644 --- a/sound/soc/sh/fsi.c +++ b/sound/soc/sh/fsi.c @@ -22,6 +22,7 @@ #include <linux/module.h> #include <linux/workqueue.h> #include <sound/soc.h> +#include <sound/pcm_params.h> #include <sound/sh_fsi.h> /* PortA/PortB register */ @@ -189,6 +190,14 @@ typedef int (*set_rate_func)(struct device *dev, int rate, int enable); */ /* + * FSI clock + * + * FSIxCLK [CPG] (ick) -------> | + * |-> FSI_DIV (div)-> FSI2 + * FSIxCK [external] (xck) ---> | + */ + +/* * struct */ @@ -228,6 +237,20 @@ struct fsi_stream { dma_addr_t dma; }; +struct fsi_clk { + /* see [FSI clock] */ + struct clk *own; + struct clk *xck; + struct clk *ick; + struct clk *div; + int (*set_rate)(struct device *dev, + struct fsi_priv *fsi, + unsigned long rate); + + unsigned long rate; + unsigned int count; +}; + struct fsi_priv { void __iomem *base; struct fsi_master *master; @@ -236,11 +259,17 @@ struct fsi_priv { struct fsi_stream playback; struct fsi_stream capture; + struct fsi_clk clock; + u32 fmt; int chan_num:16; int clk_master:1; + int clk_cpg:1; int spdif:1; + int enable_stream:1; + int bit_clk_inv:1; + int lr_clk_inv:1; long rate; }; @@ -370,6 +399,11 @@ static int fsi_is_spdif(struct fsi_priv *fsi) return fsi->spdif; } +static int fsi_is_enable_stream(struct fsi_priv *fsi) +{ + return fsi->enable_stream; +} + static int fsi_is_play(struct snd_pcm_substream *substream) { return substream->stream == SNDRV_PCM_STREAM_PLAYBACK; @@ -717,14 +751,335 @@ static void fsi_spdif_clk_ctrl(struct fsi_priv *fsi, int enable) /* * clock function */ +static int fsi_clk_init(struct device *dev, + struct fsi_priv *fsi, + int xck, + int ick, + int div, + int (*set_rate)(struct device *dev, + struct fsi_priv *fsi, + unsigned long rate)) +{ + struct fsi_clk *clock = &fsi->clock; + int is_porta = fsi_is_port_a(fsi); + + clock->xck = NULL; + clock->ick = NULL; + clock->div = NULL; + clock->rate = 0; + clock->count = 0; + clock->set_rate = set_rate; + + clock->own = devm_clk_get(dev, NULL); + if (IS_ERR(clock->own)) + return -EINVAL; + + /* external clock */ + if (xck) { + clock->xck = devm_clk_get(dev, is_porta ? "xcka" : "xckb"); + if (IS_ERR(clock->xck)) { + dev_err(dev, "can't get xck clock\n"); + return -EINVAL; + } + if (clock->xck == clock->own) { + dev_err(dev, "cpu doesn't support xck clock\n"); + return -EINVAL; + } + } + + /* FSIACLK/FSIBCLK */ + if (ick) { + clock->ick = devm_clk_get(dev, is_porta ? "icka" : "ickb"); + if (IS_ERR(clock->ick)) { + dev_err(dev, "can't get ick clock\n"); + return -EINVAL; + } + if (clock->ick == clock->own) { + dev_err(dev, "cpu doesn't support ick clock\n"); + return -EINVAL; + } + } + + /* FSI-DIV */ + if (div) { + clock->div = devm_clk_get(dev, is_porta ? "diva" : "divb"); + if (IS_ERR(clock->div)) { + dev_err(dev, "can't get div clock\n"); + return -EINVAL; + } + if (clock->div == clock->own) { + dev_err(dev, "cpu doens't support div clock\n"); + return -EINVAL; + } + } + + return 0; +} + +#define fsi_clk_invalid(fsi) fsi_clk_valid(fsi, 0) +static void fsi_clk_valid(struct fsi_priv *fsi, unsigned long rate) +{ + fsi->clock.rate = rate; +} + +static int fsi_clk_is_valid(struct fsi_priv *fsi) +{ + return fsi->clock.set_rate && + fsi->clock.rate; +} + +static int fsi_clk_enable(struct device *dev, + struct fsi_priv *fsi, + unsigned long rate) +{ + struct fsi_clk *clock = &fsi->clock; + int ret = -EINVAL; + + if (!fsi_clk_is_valid(fsi)) + return ret; + + if (0 == clock->count) { + ret = clock->set_rate(dev, fsi, rate); + if (ret < 0) { + fsi_clk_invalid(fsi); + return ret; + } + + if (clock->xck) + clk_enable(clock->xck); + if (clock->ick) + clk_enable(clock->ick); + if (clock->div) + clk_enable(clock->div); + + clock->count++; + } + + return ret; +} + +static int fsi_clk_disable(struct device *dev, + struct fsi_priv *fsi) +{ + struct fsi_clk *clock = &fsi->clock; + + if (!fsi_clk_is_valid(fsi)) + return -EINVAL; + + if (1 == clock->count--) { + if (clock->xck) + clk_disable(clock->xck); + if (clock->ick) + clk_disable(clock->ick); + if (clock->div) + clk_disable(clock->div); + } + + return 0; +} + +static int fsi_clk_set_ackbpf(struct device *dev, + struct fsi_priv *fsi, + int ackmd, int bpfmd) +{ + u32 data = 0; + + /* check ackmd/bpfmd relationship */ + if (bpfmd > ackmd) { + dev_err(dev, "unsupported rate (%d/%d)\n", ackmd, bpfmd); + return -EINVAL; + } + + /* ACKMD */ + switch (ackmd) { + case 512: + data |= (0x0 << 12); + break; + case 256: + data |= (0x1 << 12); + break; + case 128: + data |= (0x2 << 12); + break; + case 64: + data |= (0x3 << 12); + break; + case 32: + data |= (0x4 << 12); + break; + default: + dev_err(dev, "unsupported ackmd (%d)\n", ackmd); + return -EINVAL; + } + + /* BPFMD */ + switch (bpfmd) { + case 32: + data |= (0x0 << 8); + break; + case 64: + data |= (0x1 << 8); + break; + case 128: + data |= (0x2 << 8); + break; + case 256: + data |= (0x3 << 8); + break; + case 512: + data |= (0x4 << 8); + break; + case 16: + data |= (0x7 << 8); + break; + default: + dev_err(dev, "unsupported bpfmd (%d)\n", bpfmd); + return -EINVAL; + } + + dev_dbg(dev, "ACKMD/BPFMD = %d/%d\n", ackmd, bpfmd); + + fsi_reg_mask_set(fsi, CKG1, (ACKMD_MASK | BPFMD_MASK) , data); + udelay(10); + + return 0; +} + +static int fsi_clk_set_rate_external(struct device *dev, + struct fsi_priv *fsi, + unsigned long rate) +{ + struct clk *xck = fsi->clock.xck; + struct clk *ick = fsi->clock.ick; + unsigned long xrate; + int ackmd, bpfmd; + int ret = 0; + + /* check clock rate */ + xrate = clk_get_rate(xck); + if (xrate % rate) { + dev_err(dev, "unsupported clock rate\n"); + return -EINVAL; + } + + clk_set_parent(ick, xck); + clk_set_rate(ick, xrate); + + bpfmd = fsi->chan_num * 32; + ackmd = xrate / rate; + + dev_dbg(dev, "external/rate = %ld/%ld\n", xrate, rate); + + ret = fsi_clk_set_ackbpf(dev, fsi, ackmd, bpfmd); + if (ret < 0) + dev_err(dev, "%s failed", __func__); + + return ret; +} + +static int fsi_clk_set_rate_cpg(struct device *dev, + struct fsi_priv *fsi, + unsigned long rate) +{ + struct clk *ick = fsi->clock.ick; + struct clk *div = fsi->clock.div; + unsigned long target = 0; /* 12288000 or 11289600 */ + unsigned long actual, cout; + unsigned long diff, min; + unsigned long best_cout, best_act; + int adj; + int ackmd, bpfmd; + int ret = -EINVAL; + + if (!(12288000 % rate)) + target = 12288000; + if (!(11289600 % rate)) + target = 11289600; + if (!target) { + dev_err(dev, "unsupported rate\n"); + return ret; + } + + bpfmd = fsi->chan_num * 32; + ackmd = target / rate; + ret = fsi_clk_set_ackbpf(dev, fsi, ackmd, bpfmd); + if (ret < 0) { + dev_err(dev, "%s failed", __func__); + return ret; + } + + /* + * The clock flow is + * + * [CPG] = cout => [FSI_DIV] = audio => [FSI] => [codec] + * + * But, it needs to find best match of CPG and FSI_DIV + * combination, since it is difficult to generate correct + * frequency of audio clock from ick clock only. + * Because ick is created from its parent clock. + * + * target = rate x [512/256/128/64]fs + * cout = round(target x adjustment) + * actual = cout / adjustment (by FSI-DIV) ~= target + * audio = actual + */ + min = ~0; + best_cout = 0; + best_act = 0; + for (adj = 1; adj < 0xffff; adj++) { + + cout = target * adj; + if (cout > 100000000) /* max clock = 100MHz */ + break; + + /* cout/actual audio clock */ + cout = clk_round_rate(ick, cout); + actual = cout / adj; + + /* find best frequency */ + diff = abs(actual - target); + if (diff < min) { + min = diff; + best_cout = cout; + best_act = actual; + } + } + + ret = clk_set_rate(ick, best_cout); + if (ret < 0) { + dev_err(dev, "ick clock failed\n"); + return -EIO; + } + + ret = clk_set_rate(div, clk_round_rate(div, best_act)); + if (ret < 0) { + dev_err(dev, "div clock failed\n"); + return -EIO; + } + + dev_dbg(dev, "ick/div = %ld/%ld\n", + clk_get_rate(ick), clk_get_rate(div)); + + return ret; +} + static int fsi_set_master_clk(struct device *dev, struct fsi_priv *fsi, long rate, int enable) { set_rate_func set_rate = fsi_get_info_set_rate(fsi); int ret; - if (!set_rate) - return 0; + /* + * CAUTION + * + * set_rate will be deleted + */ + if (!set_rate) { + if (enable) + return fsi_clk_enable(dev, fsi, rate); + else + return fsi_clk_disable(dev, fsi); + } ret = set_rate(dev, rate, enable); if (ret < 0) /* error */ @@ -792,10 +1147,9 @@ static int fsi_set_master_clk(struct device *dev, struct fsi_priv *fsi, */ static void fsi_pio_push16(struct fsi_priv *fsi, u8 *_buf, int samples) { - u32 enable_stream = fsi_get_info_flags(fsi) & SH_FSI_ENABLE_STREAM_MODE; int i; - if (enable_stream) { + if (fsi_is_enable_stream(fsi)) { /* * stream mode * see @@ -953,8 +1307,6 @@ static void fsi_pio_start_stop(struct fsi_priv *fsi, struct fsi_stream *io, static int fsi_pio_push_init(struct fsi_priv *fsi, struct fsi_stream *io) { - u32 enable_stream = fsi_get_info_flags(fsi) & SH_FSI_ENABLE_STREAM_MODE; - /* * we can use 16bit stream mode * when "playback" and "16bit data" @@ -962,7 +1314,7 @@ static int fsi_pio_push_init(struct fsi_priv *fsi, struct fsi_stream *io) * see * fsi_pio_push16() */ - if (enable_stream) + if (fsi_is_enable_stream(fsi)) io->bus_option = BUSOP_SET(24, PACKAGE_24BITBUS_BACK) | BUSOP_SET(16, PACKAGE_16BITBUS_STREAM); else @@ -1296,6 +1648,16 @@ static int fsi_hw_startup(struct fsi_priv *fsi, /* clock inversion (CKG2) */ data = 0; + if (fsi->bit_clk_inv) + data |= (1 << 0); + if (fsi->lr_clk_inv) + data |= (1 << 4); + if (fsi_is_clk_master(fsi)) + data <<= 8; + /* FIXME + * + * SH_FSI_xxx_INV style will be removed + */ if (SH_FSI_LRM_INV & flags) data |= 1 << 12; if (SH_FSI_BRM_INV & flags) @@ -1334,14 +1696,21 @@ static int fsi_hw_startup(struct fsi_priv *fsi, /* fifo init */ fsi_fifo_init(fsi, io, dev); + /* start master clock */ + if (fsi_is_clk_master(fsi)) + return fsi_set_master_clk(dev, fsi, fsi->rate, 1); + return 0; } -static void fsi_hw_shutdown(struct fsi_priv *fsi, +static int fsi_hw_shutdown(struct fsi_priv *fsi, struct device *dev) { + /* stop master clock */ if (fsi_is_clk_master(fsi)) - fsi_set_master_clk(dev, fsi, fsi->rate, 0); + return fsi_set_master_clk(dev, fsi, fsi->rate, 0); + + return 0; } static int fsi_dai_startup(struct snd_pcm_substream *substream, @@ -1349,6 +1718,7 @@ static int fsi_dai_startup(struct snd_pcm_substream *substream, { struct fsi_priv *fsi = fsi_get_priv(substream); + fsi_clk_invalid(fsi); fsi->rate = 0; return 0; @@ -1359,6 +1729,7 @@ static void fsi_dai_shutdown(struct snd_pcm_substream *substream, { struct fsi_priv *fsi = fsi_get_priv(substream); + fsi_clk_invalid(fsi); fsi->rate = 0; } @@ -1372,13 +1743,16 @@ static int fsi_dai_trigger(struct snd_pcm_substream *substream, int cmd, switch (cmd) { case SNDRV_PCM_TRIGGER_START: fsi_stream_init(fsi, io, substream); - fsi_hw_startup(fsi, io, dai->dev); - ret = fsi_stream_transfer(io); - if (0 == ret) + if (!ret) + ret = fsi_hw_startup(fsi, io, dai->dev); + if (!ret) + ret = fsi_stream_transfer(io); + if (!ret) fsi_stream_start(fsi, io); break; case SNDRV_PCM_TRIGGER_STOP: - fsi_hw_shutdown(fsi, dai->dev); + if (!ret) + ret = fsi_hw_shutdown(fsi, dai->dev); fsi_stream_stop(fsi, io); fsi_stream_quit(fsi, io); break; @@ -1414,7 +1788,6 @@ static int fsi_set_fmt_spdif(struct fsi_priv *fsi) fsi->fmt = CR_DTMD_SPDIF_PCM | CR_PCM; fsi->chan_num = 2; - fsi->spdif = 1; return 0; } @@ -1423,7 +1796,6 @@ static int fsi_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) { struct fsi_priv *fsi = fsi_get_priv_frm_dai(dai); set_rate_func set_rate = fsi_get_info_set_rate(fsi); - u32 flags = fsi_get_info_flags(fsi); int ret; /* set master/slave audio interface */ @@ -1437,23 +1809,50 @@ static int fsi_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) return -EINVAL; } - if (fsi_is_clk_master(fsi) && !set_rate) { - dev_err(dai->dev, "platform doesn't have set_rate\n"); - return -EINVAL; - } - - /* set format */ - switch (flags & SH_FSI_FMT_MASK) { - case SH_FSI_FMT_DAI: - ret = fsi_set_fmt_dai(fsi, fmt & SND_SOC_DAIFMT_FORMAT_MASK); + /* set clock inversion */ + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_NB_IF: + fsi->bit_clk_inv = 0; + fsi->lr_clk_inv = 1; break; - case SH_FSI_FMT_SPDIF: - ret = fsi_set_fmt_spdif(fsi); + case SND_SOC_DAIFMT_IB_NF: + fsi->bit_clk_inv = 1; + fsi->lr_clk_inv = 0; break; + case SND_SOC_DAIFMT_IB_IF: + fsi->bit_clk_inv = 1; + fsi->lr_clk_inv = 1; + break; + case SND_SOC_DAIFMT_NB_NF: default: - ret = -EINVAL; + fsi->bit_clk_inv = 0; + fsi->lr_clk_inv = 0; + break; + } + + if (fsi_is_clk_master(fsi)) { + /* + * CAUTION + * + * set_rate will be deleted + */ + if (set_rate) + dev_warn(dai->dev, "set_rate will be removed soon\n"); + + if (fsi->clk_cpg) + fsi_clk_init(dai->dev, fsi, 0, 1, 1, + fsi_clk_set_rate_cpg); + else + fsi_clk_init(dai->dev, fsi, 1, 1, 0, + fsi_clk_set_rate_external); } + /* set format */ + if (fsi_is_spdif(fsi)) + ret = fsi_set_fmt_spdif(fsi); + else + ret = fsi_set_fmt_dai(fsi, fmt & SND_SOC_DAIFMT_FORMAT_MASK); + return ret; } @@ -1462,19 +1861,13 @@ static int fsi_dai_hw_params(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { struct fsi_priv *fsi = fsi_get_priv(substream); - long rate = params_rate(params); - int ret; - if (!fsi_is_clk_master(fsi)) - return 0; - - ret = fsi_set_master_clk(dai->dev, fsi, rate, 1); - if (ret < 0) - return ret; - - fsi->rate = rate; + if (fsi_is_clk_master(fsi)) { + fsi->rate = params_rate(params); + fsi_clk_valid(fsi, fsi->rate); + } - return ret; + return 0; } static const struct snd_soc_dai_ops fsi_dai_ops = { @@ -1498,7 +1891,7 @@ static struct snd_pcm_hardware fsi_pcm_hardware = { .rates = FSI_RATES, .rate_min = 8000, .rate_max = 192000, - .channels_min = 1, + .channels_min = 2, .channels_max = 2, .buffer_bytes_max = 64 * 1024, .period_bytes_min = 32, @@ -1586,14 +1979,14 @@ static struct snd_soc_dai_driver fsi_soc_dai[] = { .playback = { .rates = FSI_RATES, .formats = FSI_FMTS, - .channels_min = 1, - .channels_max = 8, + .channels_min = 2, + .channels_max = 2, }, .capture = { .rates = FSI_RATES, .formats = FSI_FMTS, - .channels_min = 1, - .channels_max = 8, + .channels_min = 2, + .channels_max = 2, }, .ops = &fsi_dai_ops, }, @@ -1602,14 +1995,14 @@ static struct snd_soc_dai_driver fsi_soc_dai[] = { .playback = { .rates = FSI_RATES, .formats = FSI_FMTS, - .channels_min = 1, - .channels_max = 8, + .channels_min = 2, + .channels_max = 2, }, .capture = { .rates = FSI_RATES, .formats = FSI_FMTS, - .channels_min = 1, - .channels_max = 8, + .channels_min = 2, + .channels_max = 2, }, .ops = &fsi_dai_ops, }, @@ -1624,15 +2017,29 @@ static struct snd_soc_platform_driver fsi_soc_platform = { /* * platform function */ -static void fsi_handler_init(struct fsi_priv *fsi) +static void fsi_port_info_init(struct fsi_priv *fsi, + struct sh_fsi_port_info *info) +{ + if (info->flags & SH_FSI_FMT_SPDIF) + fsi->spdif = 1; + + if (info->flags & SH_FSI_CLK_CPG) + fsi->clk_cpg = 1; + + if (info->flags & SH_FSI_ENABLE_STREAM_MODE) + fsi->enable_stream = 1; +} + +static void fsi_handler_init(struct fsi_priv *fsi, + struct sh_fsi_port_info *info) { fsi->playback.handler = &fsi_pio_push_handler; /* default PIO */ fsi->playback.priv = fsi; fsi->capture.handler = &fsi_pio_pop_handler; /* default PIO */ fsi->capture.priv = fsi; - if (fsi->info->tx_id) { - fsi->playback.slave.shdma_slave.slave_id = fsi->info->tx_id; + if (info->tx_id) { + fsi->playback.slave.shdma_slave.slave_id = info->tx_id; fsi->playback.handler = &fsi_dma_push_handler; } } @@ -1642,10 +2049,16 @@ static int fsi_probe(struct platform_device *pdev) struct fsi_master *master; const struct platform_device_id *id_entry; struct sh_fsi_platform_info *info = pdev->dev.platform_data; + struct sh_fsi_port_info nul_info, *pinfo; + struct fsi_priv *fsi; struct resource *res; unsigned int irq; int ret; + nul_info.flags = 0; + nul_info.tx_id = 0; + nul_info.rx_id = 0; + id_entry = pdev->id_entry; if (!id_entry) { dev_err(&pdev->dev, "unknown fsi device\n"); @@ -1678,22 +2091,28 @@ static int fsi_probe(struct platform_device *pdev) spin_lock_init(&master->lock); /* FSI A setting */ - master->fsia.base = master->base; - master->fsia.master = master; - master->fsia.info = &info->port_a; - fsi_handler_init(&master->fsia); - ret = fsi_stream_probe(&master->fsia, &pdev->dev); + pinfo = (info) ? &info->port_a : &nul_info; + fsi = &master->fsia; + fsi->base = master->base; + fsi->master = master; + fsi->info = pinfo; + fsi_port_info_init(fsi, pinfo); + fsi_handler_init(fsi, pinfo); + ret = fsi_stream_probe(fsi, &pdev->dev); if (ret < 0) { dev_err(&pdev->dev, "FSIA stream probe failed\n"); return ret; } /* FSI B setting */ - master->fsib.base = master->base + 0x40; - master->fsib.master = master; - master->fsib.info = &info->port_b; - fsi_handler_init(&master->fsib); - ret = fsi_stream_probe(&master->fsib, &pdev->dev); + pinfo = (info) ? &info->port_b : &nul_info; + fsi = &master->fsib; + fsi->base = master->base + 0x40; + fsi->master = master; + fsi->info = pinfo; + fsi_port_info_init(fsi, pinfo); + fsi_handler_init(fsi, pinfo); + ret = fsi_stream_probe(fsi, &pdev->dev); if (ret < 0) { dev_err(&pdev->dev, "FSIB stream probe failed\n"); goto exit_fsia; @@ -1702,7 +2121,7 @@ static int fsi_probe(struct platform_device *pdev) pm_runtime_enable(&pdev->dev); dev_set_drvdata(&pdev->dev, master); - ret = request_irq(irq, &fsi_interrupt, 0, + ret = devm_request_irq(&pdev->dev, irq, &fsi_interrupt, 0, id_entry->name, master); if (ret) { dev_err(&pdev->dev, "irq request err\n"); @@ -1712,7 +2131,7 @@ static int fsi_probe(struct platform_device *pdev) ret = snd_soc_register_platform(&pdev->dev, &fsi_soc_platform); if (ret < 0) { dev_err(&pdev->dev, "cannot snd soc register\n"); - goto exit_free_irq; + goto exit_fsib; } ret = snd_soc_register_dais(&pdev->dev, fsi_soc_dai, @@ -1726,8 +2145,6 @@ static int fsi_probe(struct platform_device *pdev) exit_snd_soc: snd_soc_unregister_platform(&pdev->dev); -exit_free_irq: - free_irq(irq, master); exit_fsib: pm_runtime_disable(&pdev->dev); fsi_stream_remove(&master->fsib); @@ -1743,7 +2160,6 @@ static int fsi_remove(struct platform_device *pdev) master = dev_get_drvdata(&pdev->dev); - free_irq(master->irq, master); pm_runtime_disable(&pdev->dev); snd_soc_unregister_dais(&pdev->dev, ARRAY_SIZE(fsi_soc_dai)); @@ -1774,10 +2190,6 @@ static void __fsi_resume(struct fsi_priv *fsi, return; fsi_hw_startup(fsi, io, dev); - - if (fsi_is_clk_master(fsi) && fsi->rate) - fsi_set_master_clk(dev, fsi, fsi->rate, 1); - fsi_stream_start(fsi, io); } |