Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.

1 files changed, 0 insertions, 737 deletions

diff --git a/ANDROID_3.4.5/sound/pci/ac97/ac97_pcm.c b/ANDROID_3.4.5/sound/pci/ac97/ac97_pcm.c
deleted file mode 100644
index f1488fc1..00000000
--- a/ANDROID_3.4.5/sound/pci/ac97/ac97_pcm.c
+++ /dev/null
@@ -1,737 +0,0 @@
-/*
- *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
- *  Universal interface for Audio Codec '97
- *
- *  For more details look to AC '97 component specification revision 2.2
- *  by Intel Corporation (http://developer.intel.com) and to datasheets
- *  for specific codecs.
- *
- *
- *   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.
- *
- *   You should have received a copy of the GNU General Public License
- *   along with this program; if not, write to the Free Software
- *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
- *
- */
-
-#include <linux/delay.h>
-#include <linux/init.h>
-#include <linux/slab.h>
-#include <linux/mutex.h>
-#include <linux/export.h>
-
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/control.h>
-#include <sound/ac97_codec.h>
-#include <sound/asoundef.h>
-#include "ac97_id.h"
-#include "ac97_local.h"
-
-/*
- *  PCM support
- */
-
-static unsigned char rate_reg_tables[2][4][9] = {
-{
-  /* standard rates */
-  {
-  	/* 3&4 front, 7&8 rear, 6&9 center/lfe */
-	AC97_PCM_FRONT_DAC_RATE,	/* slot 3 */
-	AC97_PCM_FRONT_DAC_RATE,	/* slot 4 */
-	0xff,				/* slot 5 */
-	AC97_PCM_LFE_DAC_RATE,		/* slot 6 */
-	AC97_PCM_SURR_DAC_RATE,		/* slot 7 */
-	AC97_PCM_SURR_DAC_RATE,		/* slot 8 */
-	AC97_PCM_LFE_DAC_RATE,		/* slot 9 */
-	0xff,				/* slot 10 */
-	0xff,				/* slot 11 */
-  },
-  {
-  	/* 7&8 front, 6&9 rear, 10&11 center/lfe */
-	0xff,				/* slot 3 */
-	0xff,				/* slot 4 */
-	0xff,				/* slot 5 */
-	AC97_PCM_SURR_DAC_RATE,		/* slot 6 */
-	AC97_PCM_FRONT_DAC_RATE,	/* slot 7 */
-	AC97_PCM_FRONT_DAC_RATE,	/* slot 8 */
-	AC97_PCM_SURR_DAC_RATE,		/* slot 9 */
-	AC97_PCM_LFE_DAC_RATE,		/* slot 10 */
-	AC97_PCM_LFE_DAC_RATE,		/* slot 11 */
-  },
-  {
-  	/* 6&9 front, 10&11 rear, 3&4 center/lfe */
-	AC97_PCM_LFE_DAC_RATE,		/* slot 3 */
-	AC97_PCM_LFE_DAC_RATE,		/* slot 4 */
-	0xff,				/* slot 5 */
-	AC97_PCM_FRONT_DAC_RATE,	/* slot 6 */
-	0xff,				/* slot 7 */
-	0xff,				/* slot 8 */
-	AC97_PCM_FRONT_DAC_RATE,	/* slot 9 */
-	AC97_PCM_SURR_DAC_RATE,		/* slot 10 */
-	AC97_PCM_SURR_DAC_RATE,		/* slot 11 */
-  },
-  {
-  	/* 10&11 front, 3&4 rear, 7&8 center/lfe */
-	AC97_PCM_SURR_DAC_RATE,		/* slot 3 */
-	AC97_PCM_SURR_DAC_RATE,		/* slot 4 */
-	0xff,				/* slot 5 */
-	0xff,				/* slot 6 */
-	AC97_PCM_LFE_DAC_RATE,		/* slot 7 */
-	AC97_PCM_LFE_DAC_RATE,		/* slot 8 */
-	0xff,				/* slot 9 */
-	AC97_PCM_FRONT_DAC_RATE,	/* slot 10 */
-	AC97_PCM_FRONT_DAC_RATE,	/* slot 11 */
-  },
-},
-{
-  /* double rates */
-  {
-  	/* 3&4 front, 7&8 front (t+1) */
-	AC97_PCM_FRONT_DAC_RATE,	/* slot 3 */
-	AC97_PCM_FRONT_DAC_RATE,	/* slot 4 */
-	0xff,				/* slot 5 */
-	0xff,				/* slot 6 */
-	AC97_PCM_FRONT_DAC_RATE,	/* slot 7 */
-	AC97_PCM_FRONT_DAC_RATE,	/* slot 8 */
-	0xff,				/* slot 9 */
-	0xff,				/* slot 10 */
-	0xff,				/* slot 11 */
-  },
-  {
-	/* not specified in the specification */
-	0xff,				/* slot 3 */
-	0xff,				/* slot 4 */
-	0xff,				/* slot 5 */
-	0xff,				/* slot 6 */
-	0xff,				/* slot 7 */
-	0xff,				/* slot 8 */
-	0xff,				/* slot 9 */
-	0xff,				/* slot 10 */
-	0xff,				/* slot 11 */
-  },
-  {
-	0xff,				/* slot 3 */
-	0xff,				/* slot 4 */
-	0xff,				/* slot 5 */
-	0xff,				/* slot 6 */
-	0xff,				/* slot 7 */
-	0xff,				/* slot 8 */
-	0xff,				/* slot 9 */
-	0xff,				/* slot 10 */
-	0xff,				/* slot 11 */
-  },
-  {
-	0xff,				/* slot 3 */
-	0xff,				/* slot 4 */
-	0xff,				/* slot 5 */
-	0xff,				/* slot 6 */
-	0xff,				/* slot 7 */
-	0xff,				/* slot 8 */
-	0xff,				/* slot 9 */
-	0xff,				/* slot 10 */
-	0xff,				/* slot 11 */
-  }
-}};
-
-/* FIXME: more various mappings for ADC? */
-static unsigned char rate_cregs[9] = {
-	AC97_PCM_LR_ADC_RATE,	/* 3 */
-	AC97_PCM_LR_ADC_RATE,	/* 4 */
-	0xff,			/* 5 */
-	AC97_PCM_MIC_ADC_RATE,	/* 6 */
-	0xff,			/* 7 */
-	0xff,			/* 8 */
-	0xff,			/* 9 */
-	0xff,			/* 10 */
-	0xff,			/* 11 */
-};
-
-static unsigned char get_slot_reg(struct ac97_pcm *pcm, unsigned short cidx,
-				  unsigned short slot, int dbl)
-{
-	if (slot < 3)
-		return 0xff;
-	if (slot > 11)
-		return 0xff;
-	if (pcm->spdif)
-		return AC97_SPDIF; /* pseudo register */
-	if (pcm->stream == SNDRV_PCM_STREAM_PLAYBACK)
-		return rate_reg_tables[dbl][pcm->r[dbl].rate_table[cidx]][slot - 3];
-	else
-		return rate_cregs[slot - 3];
-}
-
-static int set_spdif_rate(struct snd_ac97 *ac97, unsigned short rate)
-{
-	unsigned short old, bits, reg, mask;
-	unsigned int sbits;
-
-	if (! (ac97->ext_id & AC97_EI_SPDIF))
-		return -ENODEV;
-
-	/* TODO: double rate support */
-	if (ac97->flags & AC97_CS_SPDIF) {
-		switch (rate) {
-		case 48000: bits = 0; break;
-		case 44100: bits = 1 << AC97_SC_SPSR_SHIFT; break;
-		default: /* invalid - disable output */
-			snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0);
-			return -EINVAL;
-		}
-		reg = AC97_CSR_SPDIF;
-		mask = 1 << AC97_SC_SPSR_SHIFT;
-	} else {
-		if (ac97->id == AC97_ID_CM9739 && rate != 48000) {
-			snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0);
-			return -EINVAL;
-		}
-		switch (rate) {
-		case 44100: bits = AC97_SC_SPSR_44K; break;
-		case 48000: bits = AC97_SC_SPSR_48K; break;
-		case 32000: bits = AC97_SC_SPSR_32K; break;
-		default: /* invalid - disable output */
-			snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0);
-			return -EINVAL;
-		}
-		reg = AC97_SPDIF;
-		mask = AC97_SC_SPSR_MASK;
-	}
-
-	mutex_lock(&ac97->reg_mutex);
-	old = snd_ac97_read(ac97, reg) & mask;
-	if (old != bits) {
-		snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0);
-		snd_ac97_update_bits_nolock(ac97, reg, mask, bits);
-		/* update the internal spdif bits */
-		sbits = ac97->spdif_status;
-		if (sbits & IEC958_AES0_PROFESSIONAL) {
-			sbits &= ~IEC958_AES0_PRO_FS;
-			switch (rate) {
-			case 44100: sbits |= IEC958_AES0_PRO_FS_44100; break;
-			case 48000: sbits |= IEC958_AES0_PRO_FS_48000; break;
-			case 32000: sbits |= IEC958_AES0_PRO_FS_32000; break;
-			}
-		} else {
-			sbits &= ~(IEC958_AES3_CON_FS << 24);
-			switch (rate) {
-			case 44100: sbits |= IEC958_AES3_CON_FS_44100<<24; break;
-			case 48000: sbits |= IEC958_AES3_CON_FS_48000<<24; break;
-			case 32000: sbits |= IEC958_AES3_CON_FS_32000<<24; break;
-			}
-		}
-		ac97->spdif_status = sbits;
-	}
-	snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF);
-	mutex_unlock(&ac97->reg_mutex);
-	return 0;
-}
-
-/**
- * snd_ac97_set_rate - change the rate of the given input/output.
- * @ac97: the ac97 instance
- * @reg: the register to change
- * @rate: the sample rate to set
- *
- * Changes the rate of the given input/output on the codec.
- * If the codec doesn't support VAR, the rate must be 48000 (except
- * for SPDIF).
- *
- * The valid registers are AC97_PMC_MIC_ADC_RATE,
- * AC97_PCM_FRONT_DAC_RATE, AC97_PCM_LR_ADC_RATE.
- * AC97_PCM_SURR_DAC_RATE and AC97_PCM_LFE_DAC_RATE are accepted
- * if the codec supports them.
- * AC97_SPDIF is accepted as a pseudo register to modify the SPDIF
- * status bits.
- *
- * Returns zero if successful, or a negative error code on failure.
- */
-int snd_ac97_set_rate(struct snd_ac97 *ac97, int reg, unsigned int rate)
-{
-	int dbl;
-	unsigned int tmp;
-	
-	dbl = rate > 48000;
-	if (dbl) {
-		if (!(ac97->flags & AC97_DOUBLE_RATE))
-			return -EINVAL;
-		if (reg != AC97_PCM_FRONT_DAC_RATE)
-			return -EINVAL;
-	}
-
-	snd_ac97_update_power(ac97, reg, 1);
-	switch (reg) {
-	case AC97_PCM_MIC_ADC_RATE:
-		if ((ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_VRM) == 0)	/* MIC VRA */
-			if (rate != 48000)
-				return -EINVAL;
-		break;
-	case AC97_PCM_FRONT_DAC_RATE:
-	case AC97_PCM_LR_ADC_RATE:
-		if ((ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_VRA) == 0)	/* VRA */
-			if (rate != 48000 && rate != 96000)
-				return -EINVAL;
-		break;
-	case AC97_PCM_SURR_DAC_RATE:
-		if (! (ac97->scaps & AC97_SCAP_SURROUND_DAC))
-			return -EINVAL;
-		break;
-	case AC97_PCM_LFE_DAC_RATE:
-		if (! (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC))
-			return -EINVAL;
-		break;
-	case AC97_SPDIF:
-		/* special case */
-		return set_spdif_rate(ac97, rate);
-	default:
-		return -EINVAL;
-	}
-	if (dbl)
-		rate /= 2;
-	tmp = (rate * ac97->bus->clock) / 48000;
-	if (tmp > 65535)
-		return -EINVAL;
-	if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE)
-		snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
-				     AC97_EA_DRA, dbl ? AC97_EA_DRA : 0);
-	snd_ac97_update(ac97, reg, tmp & 0xffff);
-	snd_ac97_read(ac97, reg);
-	if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE) {
-		/* Intel controllers require double rate data to be put in
-		 * slots 7+8
-		 */
-		snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE,
-				     AC97_GP_DRSS_MASK,
-				     dbl ? AC97_GP_DRSS_78 : 0);
-		snd_ac97_read(ac97, AC97_GENERAL_PURPOSE);
-	}
-	return 0;
-}
-
-EXPORT_SYMBOL(snd_ac97_set_rate);
-
-static unsigned short get_pslots(struct snd_ac97 *ac97, unsigned char *rate_table, unsigned short *spdif_slots)
-{
-	if (!ac97_is_audio(ac97))
-		return 0;
-	if (ac97_is_rev22(ac97) || ac97_can_amap(ac97)) {
-		unsigned short slots = 0;
-		if (ac97_is_rev22(ac97)) {
-			/* Note: it's simply emulation of AMAP behaviour */
-			u16 es;
-			es = ac97->regs[AC97_EXTENDED_ID] &= ~AC97_EI_DACS_SLOT_MASK;
-			switch (ac97->addr) {
-			case 1:
-			case 2: es |= (1<<AC97_EI_DACS_SLOT_SHIFT); break;
-			case 3: es |= (2<<AC97_EI_DACS_SLOT_SHIFT); break;
-			}
-			snd_ac97_write_cache(ac97, AC97_EXTENDED_ID, es);
-		}
-		switch (ac97->addr) {
-		case 0:
-			slots |= (1<<AC97_SLOT_PCM_LEFT)|(1<<AC97_SLOT_PCM_RIGHT);
-			if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
-				slots |= (1<<AC97_SLOT_PCM_SLEFT)|(1<<AC97_SLOT_PCM_SRIGHT);
-			if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
-				slots |= (1<<AC97_SLOT_PCM_CENTER)|(1<<AC97_SLOT_LFE);
-			if (ac97->ext_id & AC97_EI_SPDIF) {
-				if (!(ac97->scaps & AC97_SCAP_SURROUND_DAC))
-					*spdif_slots = (1<<AC97_SLOT_SPDIF_LEFT)|(1<<AC97_SLOT_SPDIF_RIGHT);
-				else if (!(ac97->scaps & AC97_SCAP_CENTER_LFE_DAC))
-					*spdif_slots = (1<<AC97_SLOT_SPDIF_LEFT1)|(1<<AC97_SLOT_SPDIF_RIGHT1);
-				else
-					*spdif_slots = (1<<AC97_SLOT_SPDIF_LEFT2)|(1<<AC97_SLOT_SPDIF_RIGHT2);
-			}
-			*rate_table = 0;
-			break;
-		case 1:
-		case 2:
-			slots |= (1<<AC97_SLOT_PCM_SLEFT)|(1<<AC97_SLOT_PCM_SRIGHT);
-			if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
-				slots |= (1<<AC97_SLOT_PCM_CENTER)|(1<<AC97_SLOT_LFE);
-			if (ac97->ext_id & AC97_EI_SPDIF) {
-				if (!(ac97->scaps & AC97_SCAP_SURROUND_DAC))
-					*spdif_slots = (1<<AC97_SLOT_SPDIF_LEFT1)|(1<<AC97_SLOT_SPDIF_RIGHT1);
-				else
-					*spdif_slots = (1<<AC97_SLOT_SPDIF_LEFT2)|(1<<AC97_SLOT_SPDIF_RIGHT2);
-			}
-			*rate_table = 1;
-			break;
-		case 3:
-			slots |= (1<<AC97_SLOT_PCM_CENTER)|(1<<AC97_SLOT_LFE);
-			if (ac97->ext_id & AC97_EI_SPDIF)
-				*spdif_slots = (1<<AC97_SLOT_SPDIF_LEFT2)|(1<<AC97_SLOT_SPDIF_RIGHT2);
-			*rate_table = 2;
-			break;
-		}
-		return slots;
-	} else {
-		unsigned short slots;
-		slots = (1<<AC97_SLOT_PCM_LEFT)|(1<<AC97_SLOT_PCM_RIGHT);
-		if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
-			slots |= (1<<AC97_SLOT_PCM_SLEFT)|(1<<AC97_SLOT_PCM_SRIGHT);
-		if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
-			slots |= (1<<AC97_SLOT_PCM_CENTER)|(1<<AC97_SLOT_LFE);
-		if (ac97->ext_id & AC97_EI_SPDIF) {
-			if (!(ac97->scaps & AC97_SCAP_SURROUND_DAC))
-				*spdif_slots = (1<<AC97_SLOT_SPDIF_LEFT)|(1<<AC97_SLOT_SPDIF_RIGHT);
-			else if (!(ac97->scaps & AC97_SCAP_CENTER_LFE_DAC))
-				*spdif_slots = (1<<AC97_SLOT_SPDIF_LEFT1)|(1<<AC97_SLOT_SPDIF_RIGHT1);
-			else
-				*spdif_slots = (1<<AC97_SLOT_SPDIF_LEFT2)|(1<<AC97_SLOT_SPDIF_RIGHT2);
-		}
-		*rate_table = 0;
-		return slots;
-	}
-}
-
-static unsigned short get_cslots(struct snd_ac97 *ac97)
-{
-	unsigned short slots;
-
-	if (!ac97_is_audio(ac97))
-		return 0;
-	slots = (1<<AC97_SLOT_PCM_LEFT)|(1<<AC97_SLOT_PCM_RIGHT);
-	slots |= (1<<AC97_SLOT_MIC);
-	return slots;
-}
-
-static unsigned int get_rates(struct ac97_pcm *pcm, unsigned int cidx, unsigned short slots, int dbl)
-{
-	int i, idx;
-	unsigned int rates = ~0;
-	unsigned char reg;
-
-	for (i = 3; i < 12; i++) {
-		if (!(slots & (1 << i)))
-			continue;
-		reg = get_slot_reg(pcm, cidx, i, dbl);
-		switch (reg) {
-		case AC97_PCM_FRONT_DAC_RATE:	idx = AC97_RATES_FRONT_DAC; break;
-		case AC97_PCM_SURR_DAC_RATE:	idx = AC97_RATES_SURR_DAC; break;
-		case AC97_PCM_LFE_DAC_RATE:	idx = AC97_RATES_LFE_DAC; break;
-		case AC97_PCM_LR_ADC_RATE:	idx = AC97_RATES_ADC; break;
-		case AC97_PCM_MIC_ADC_RATE:	idx = AC97_RATES_MIC_ADC; break;
-		default:			idx = AC97_RATES_SPDIF; break;
-		}
-		rates &= pcm->r[dbl].codec[cidx]->rates[idx];
-	}
-	if (!dbl)
-		rates &= ~(SNDRV_PCM_RATE_64000 | SNDRV_PCM_RATE_88200 |
-			   SNDRV_PCM_RATE_96000);
-	return rates;
-}
-
-/**
- * snd_ac97_pcm_assign - assign AC97 slots to given PCM streams
- * @bus: the ac97 bus instance
- * @pcms_count: count of PCMs to be assigned
- * @pcms: PCMs to be assigned
- *
- * It assigns available AC97 slots for given PCMs. If none or only
- * some slots are available, pcm->xxx.slots and pcm->xxx.rslots[] members
- * are reduced and might be zero.
- */
-int snd_ac97_pcm_assign(struct snd_ac97_bus *bus,
-			unsigned short pcms_count,
-			const struct ac97_pcm *pcms)
-{
-	int i, j, k;
-	const struct ac97_pcm *pcm;
-	struct ac97_pcm *rpcms, *rpcm;
-	unsigned short avail_slots[2][4];
-	unsigned char rate_table[2][4];
-	unsigned short tmp, slots;
-	unsigned short spdif_slots[4];
-	unsigned int rates;
-	struct snd_ac97 *codec;
-
-	rpcms = kcalloc(pcms_count, sizeof(struct ac97_pcm), GFP_KERNEL);
-	if (rpcms == NULL)
-		return -ENOMEM;
-	memset(avail_slots, 0, sizeof(avail_slots));
-	memset(rate_table, 0, sizeof(rate_table));
-	memset(spdif_slots, 0, sizeof(spdif_slots));
-	for (i = 0; i < 4; i++) {
-		codec = bus->codec[i];
-		if (!codec)
-			continue;
-		avail_slots[0][i] = get_pslots(codec, &rate_table[0][i], &spdif_slots[i]);
-		avail_slots[1][i] = get_cslots(codec);
-		if (!(codec->scaps & AC97_SCAP_INDEP_SDIN)) {
-			for (j = 0; j < i; j++) {
-				if (bus->codec[j])
-					avail_slots[1][i] &= ~avail_slots[1][j];
-			}
-		}
-	}
-	/* first step - exclusive devices */
-	for (i = 0; i < pcms_count; i++) {
-		pcm = &pcms[i];
-		rpcm = &rpcms[i];
-		/* low-level driver thinks that it's more clever */
-		if (pcm->copy_flag) {
-			*rpcm = *pcm;
-			continue;
-		}
-		rpcm->stream = pcm->stream;
-		rpcm->exclusive = pcm->exclusive;
-		rpcm->spdif = pcm->spdif;
-		rpcm->private_value = pcm->private_value;
-		rpcm->bus = bus;
-		rpcm->rates = ~0;
-		slots = pcm->r[0].slots;
-		for (j = 0; j < 4 && slots; j++) {
-			if (!bus->codec[j])
-				continue;
-			rates = ~0;
-			if (pcm->spdif && pcm->stream == 0)
-				tmp = spdif_slots[j];
-			else
-				tmp = avail_slots[pcm->stream][j];
-			if (pcm->exclusive) {
-				/* exclusive access */
-				tmp &= slots;
-				for (k = 0; k < i; k++) {
-					if (rpcm->stream == rpcms[k].stream)
-						tmp &= ~rpcms[k].r[0].rslots[j];
-				}
-			} else {
-				/* non-exclusive access */
-				tmp &= pcm->r[0].slots;
-			}
-			if (tmp) {
-				rpcm->r[0].rslots[j] = tmp;
-				rpcm->r[0].codec[j] = bus->codec[j];
-				rpcm->r[0].rate_table[j] = rate_table[pcm->stream][j];
-				if (bus->no_vra)
-					rates = SNDRV_PCM_RATE_48000;
-				else
-					rates = get_rates(rpcm, j, tmp, 0);
-				if (pcm->exclusive)
-					avail_slots[pcm->stream][j] &= ~tmp;
-			}
-			slots &= ~tmp;
-			rpcm->r[0].slots |= tmp;
-			rpcm->rates &= rates;
-		}
-		/* for double rate, we check the first codec only */
-		if (pcm->stream == SNDRV_PCM_STREAM_PLAYBACK &&
-		    bus->codec[0] && (bus->codec[0]->flags & AC97_DOUBLE_RATE) &&
-		    rate_table[pcm->stream][0] == 0) {
-			tmp = (1<<AC97_SLOT_PCM_LEFT) | (1<<AC97_SLOT_PCM_RIGHT) |
-			      (1<<AC97_SLOT_PCM_LEFT_0) | (1<<AC97_SLOT_PCM_RIGHT_0);
-			if ((tmp & pcm->r[1].slots) == tmp) {
-				rpcm->r[1].slots = tmp;
-				rpcm->r[1].rslots[0] = tmp;
-				rpcm->r[1].rate_table[0] = 0;
-				rpcm->r[1].codec[0] = bus->codec[0];
-				if (pcm->exclusive)
-					avail_slots[pcm->stream][0] &= ~tmp;
-				if (bus->no_vra)
-					rates = SNDRV_PCM_RATE_96000;
-				else
-					rates = get_rates(rpcm, 0, tmp, 1);
-				rpcm->rates |= rates;
-			}
-		}
-		if (rpcm->rates == ~0)
-			rpcm->rates = 0; /* not used */
-	}
-	bus->pcms_count = pcms_count;
-	bus->pcms = rpcms;
-	return 0;
-}
-
-EXPORT_SYMBOL(snd_ac97_pcm_assign);
-
-/**
- * snd_ac97_pcm_open - opens the given AC97 pcm
- * @pcm: the ac97 pcm instance
- * @rate: rate in Hz, if codec does not support VRA, this value must be 48000Hz
- * @cfg: output stream characteristics
- * @slots: a subset of allocated slots (snd_ac97_pcm_assign) for this pcm
- *
- * It locks the specified slots and sets the given rate to AC97 registers.
- */
-int snd_ac97_pcm_open(struct ac97_pcm *pcm, unsigned int rate,
-		      enum ac97_pcm_cfg cfg, unsigned short slots)
-{
-	struct snd_ac97_bus *bus;
-	int i, cidx, r, ok_flag;
-	unsigned int reg_ok[4] = {0,0,0,0};
-	unsigned char reg;
-	int err = 0;
-
-	r = rate > 48000;
-	bus = pcm->bus;
-	if (cfg == AC97_PCM_CFG_SPDIF) {
-		for (cidx = 0; cidx < 4; cidx++)
-			if (bus->codec[cidx] && (bus->codec[cidx]->ext_id & AC97_EI_SPDIF)) {
-				err = set_spdif_rate(bus->codec[cidx], rate);
-				if (err < 0)
-					return err;
-			}
-	}
-	spin_lock_irq(&pcm->bus->bus_lock);
-	for (i = 3; i < 12; i++) {
-		if (!(slots & (1 << i)))
-			continue;
-		ok_flag = 0;
-		for (cidx = 0; cidx < 4; cidx++) {
-			if (bus->used_slots[pcm->stream][cidx] & (1 << i)) {
-				spin_unlock_irq(&pcm->bus->bus_lock);
-				err = -EBUSY;
-				goto error;
-			}
-			if (pcm->r[r].rslots[cidx] & (1 << i)) {
-				bus->used_slots[pcm->stream][cidx] |= (1 << i);
-				ok_flag++;
-			}
-		}
-		if (!ok_flag) {
-			spin_unlock_irq(&pcm->bus->bus_lock);
-			snd_printk(KERN_ERR "cannot find configuration for AC97 slot %i\n", i);
-			err = -EAGAIN;
-			goto error;
-		}
-	}
-	pcm->cur_dbl = r;
-	spin_unlock_irq(&pcm->bus->bus_lock);
-	for (i = 3; i < 12; i++) {
-		if (!(slots & (1 << i)))
-			continue;
-		for (cidx = 0; cidx < 4; cidx++) {
-			if (pcm->r[r].rslots[cidx] & (1 << i)) {
-				reg = get_slot_reg(pcm, cidx, i, r);
-				if (reg == 0xff) {
-					snd_printk(KERN_ERR "invalid AC97 slot %i?\n", i);
-					continue;
-				}
-				if (reg_ok[cidx] & (1 << (reg - AC97_PCM_FRONT_DAC_RATE)))
-					continue;
-				//printk(KERN_DEBUG "setting ac97 reg 0x%x to rate %d\n", reg, rate);
-				err = snd_ac97_set_rate(pcm->r[r].codec[cidx], reg, rate);
-				if (err < 0)
-					snd_printk(KERN_ERR "error in snd_ac97_set_rate: cidx=%d, reg=0x%x, rate=%d, err=%d\n", cidx, reg, rate, err);
-				else
-					reg_ok[cidx] |= (1 << (reg - AC97_PCM_FRONT_DAC_RATE));
-			}
-		}
-	}
-	pcm->aslots = slots;
-	return 0;
-
- error:
-	pcm->aslots = slots;
-	snd_ac97_pcm_close(pcm);
-	return err;
-}
-
-EXPORT_SYMBOL(snd_ac97_pcm_open);
-
-/**
- * snd_ac97_pcm_close - closes the given AC97 pcm
- * @pcm: the ac97 pcm instance
- *
- * It frees the locked AC97 slots.
- */
-int snd_ac97_pcm_close(struct ac97_pcm *pcm)
-{
-	struct snd_ac97_bus *bus;
-	unsigned short slots = pcm->aslots;
-	int i, cidx;
-
-#ifdef CONFIG_SND_AC97_POWER_SAVE
-	int r = pcm->cur_dbl;
-	for (i = 3; i < 12; i++) {
-		if (!(slots & (1 << i)))
-			continue;
-		for (cidx = 0; cidx < 4; cidx++) {
-			if (pcm->r[r].rslots[cidx] & (1 << i)) {
-				int reg = get_slot_reg(pcm, cidx, i, r);
-				snd_ac97_update_power(pcm->r[r].codec[cidx],
-						      reg, 0);
-			}
-		}
-	}
-#endif
-
-	bus = pcm->bus;
-	spin_lock_irq(&pcm->bus->bus_lock);
-	for (i = 3; i < 12; i++) {
-		if (!(slots & (1 << i)))
-			continue;
-		for (cidx = 0; cidx < 4; cidx++)
-			bus->used_slots[pcm->stream][cidx] &= ~(1 << i);
-	}
-	pcm->aslots = 0;
-	pcm->cur_dbl = 0;
-	spin_unlock_irq(&pcm->bus->bus_lock);
-	return 0;
-}
-
-EXPORT_SYMBOL(snd_ac97_pcm_close);
-
-static int double_rate_hw_constraint_rate(struct snd_pcm_hw_params *params,
-					  struct snd_pcm_hw_rule *rule)
-{
-	struct snd_interval *channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
-	if (channels->min > 2) {
-		static const struct snd_interval single_rates = {
-			.min = 1,
-			.max = 48000,
-		};
-		struct snd_interval *rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
-		return snd_interval_refine(rate, &single_rates);
-	}
-	return 0;
-}
-
-static int double_rate_hw_constraint_channels(struct snd_pcm_hw_params *params,
-					      struct snd_pcm_hw_rule *rule)
-{
-	struct snd_interval *rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
-	if (rate->min > 48000) {
-		static const struct snd_interval double_rate_channels = {
-			.min = 2,
-			.max = 2,
-		};
-		struct snd_interval *channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
-		return snd_interval_refine(channels, &double_rate_channels);
-	}
-	return 0;
-}
-
-/**
- * snd_ac97_pcm_double_rate_rules - set double rate constraints
- * @runtime: the runtime of the ac97 front playback pcm
- *
- * Installs the hardware constraint rules to prevent using double rates and
- * more than two channels at the same time.
- */
-int snd_ac97_pcm_double_rate_rules(struct snd_pcm_runtime *runtime)
-{
-	int err;
-
-	err = snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
-				  double_rate_hw_constraint_rate, NULL,
-				  SNDRV_PCM_HW_PARAM_CHANNELS, -1);
-	if (err < 0)
-		return err;
-	err = snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
-				  double_rate_hw_constraint_channels, NULL,
-				  SNDRV_PCM_HW_PARAM_RATE, -1);
-	return err;
-}
-
-EXPORT_SYMBOL(snd_ac97_pcm_double_rate_rules);