ASoC: core: Split ops out of soc-core.c

The main ASoC source file is getting quite large and the standard ops don't
really have anything to do with the rest of the file so split them out into
a separate file.

Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 952 insertions, 0 deletions

diff --git a/sound/soc/soc-ops.c b/sound/soc/soc-ops.c
new file mode 100644
index 000000000000..100d92b5b77e
--- /dev/null
+++ b/sound/soc/soc-ops.c
@@ -0,0 +1,952 @@
+/*
+ * soc-ops.c  --  Generic ASoC operations
+ *
+ * Copyright 2005 Wolfson Microelectronics PLC.
+ * Copyright 2005 Openedhand Ltd.
+ * Copyright (C) 2010 Slimlogic Ltd.
+ * Copyright (C) 2010 Texas Instruments Inc.
+ *
+ * Author: Liam Girdwood <lrg@slimlogic.co.uk>
+ *         with code, comments and ideas from :-
+ *         Richard Purdie <richard@openedhand.com>
+ *
+ *  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.
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/bitops.h>
+#include <linux/ctype.h>
+#include <linux/slab.h>
+#include <sound/core.h>
+#include <sound/jack.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dpcm.h>
+#include <sound/initval.h>
+
+/**
+ * snd_soc_info_enum_double - enumerated double mixer info callback
+ * @kcontrol: mixer control
+ * @uinfo: control element information
+ *
+ * Callback to provide information about a double enumerated
+ * mixer control.
+ *
+ * Returns 0 for success.
+ */
+int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
+        struct snd_ctl_elem_info *uinfo)
+{
+        struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
+
+        return snd_ctl_enum_info(uinfo, e->shift_l == e->shift_r ? 1 : 2,
+                                 e->items, e->texts);
+}
+EXPORT_SYMBOL_GPL(snd_soc_info_enum_double);
+
+/**
+ * snd_soc_get_enum_double - enumerated double mixer get callback
+ * @kcontrol: mixer control
+ * @ucontrol: control element information
+ *
+ * Callback to get the value of a double enumerated mixer.
+ *
+ * Returns 0 for success.
+ */
+int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
+        struct snd_ctl_elem_value *ucontrol)
+{
+        struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
+        struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
+        unsigned int val, item;
+        unsigned int reg_val;
+        int ret;
+
+        ret = snd_soc_component_read(component, e->reg, &reg_val);
+        if (ret)
+                return ret;
+        val = (reg_val >> e->shift_l) & e->mask;
+        item = snd_soc_enum_val_to_item(e, val);
+        ucontrol->value.enumerated.item[0] = item;
+        if (e->shift_l != e->shift_r) {
+                val = (reg_val >> e->shift_l) & e->mask;
+                item = snd_soc_enum_val_to_item(e, val);
+                ucontrol->value.enumerated.item[1] = item;
+        }
+
+        return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_get_enum_double);
+
+/**
+ * snd_soc_put_enum_double - enumerated double mixer put callback
+ * @kcontrol: mixer control
+ * @ucontrol: control element information
+ *
+ * Callback to set the value of a double enumerated mixer.
+ *
+ * Returns 0 for success.
+ */
+int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
+        struct snd_ctl_elem_value *ucontrol)
+{
+        struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
+        struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
+        unsigned int *item = ucontrol->value.enumerated.item;
+        unsigned int val;
+        unsigned int mask;
+
+        if (item[0] >= e->items)
+                return -EINVAL;
+        val = snd_soc_enum_item_to_val(e, item[0]) << e->shift_l;
+        mask = e->mask << e->shift_l;
+        if (e->shift_l != e->shift_r) {
+                if (item[1] >= e->items)
+                        return -EINVAL;
+                val |= snd_soc_enum_item_to_val(e, item[1]) << e->shift_r;
+                mask |= e->mask << e->shift_r;
+        }
+
+        return snd_soc_component_update_bits(component, e->reg, mask, val);
+}
+EXPORT_SYMBOL_GPL(snd_soc_put_enum_double);
+
+/**
+ * snd_soc_read_signed - Read a codec register and interprete as signed value
+ * @component: component
+ * @reg: Register to read
+ * @mask: Mask to use after shifting the register value
+ * @shift: Right shift of register value
+ * @sign_bit: Bit that describes if a number is negative or not.
+ * @signed_val: Pointer to where the read value should be stored
+ *
+ * This functions reads a codec register. The register value is shifted right
+ * by 'shift' bits and masked with the given 'mask'. Afterwards it translates
+ * the given registervalue into a signed integer if sign_bit is non-zero.
+ *
+ * Returns 0 on sucess, otherwise an error value
+ */
+static int snd_soc_read_signed(struct snd_soc_component *component,
+        unsigned int reg, unsigned int mask, unsigned int shift,
+        unsigned int sign_bit, int *signed_val)
+{
+        int ret;
+        unsigned int val;
+
+        ret = snd_soc_component_read(component, reg, &val);
+        if (ret < 0)
+                return ret;
+
+        val = (val >> shift) & mask;
+
+        if (!sign_bit) {
+                *signed_val = val;
+                return 0;
+        }
+
+        /* non-negative number */
+        if (!(val & BIT(sign_bit))) {
+                *signed_val = val;
+                return 0;
+        }
+
+        ret = val;
+
+        /*
+         * The register most probably does not contain a full-sized int.
+         * Instead we have an arbitrary number of bits in a signed
+         * representation which has to be translated into a full-sized int.
+         * This is done by filling up all bits above the sign-bit.
+         */
+        ret |= ~((int)(BIT(sign_bit) - 1));
+
+        *signed_val = ret;
+
+        return 0;
+}
+
+/**
+ * snd_soc_info_volsw - single mixer info callback
+ * @kcontrol: mixer control
+ * @uinfo: control element information
+ *
+ * Callback to provide information about a single mixer control, or a double
+ * mixer control that spans 2 registers.
+ *
+ * Returns 0 for success.
+ */
+int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
+        struct snd_ctl_elem_info *uinfo)
+{
+        struct soc_mixer_control *mc =
+                (struct soc_mixer_control *)kcontrol->private_value;
+        int platform_max;
+
+        if (!mc->platform_max)
+                mc->platform_max = mc->max;
+        platform_max = mc->platform_max;
+
+        if (platform_max == 1 && !strstr(kcontrol->id.name, " Volume"))
+                uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
+        else
+                uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+
+        uinfo->count = snd_soc_volsw_is_stereo(mc) ? 2 : 1;
+        uinfo->value.integer.min = 0;
+        uinfo->value.integer.max = platform_max - mc->min;
+        return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_info_volsw);
+
+/**
+ * snd_soc_get_volsw - single mixer get callback
+ * @kcontrol: mixer control
+ * @ucontrol: control element information
+ *
+ * Callback to get the value of a single mixer control, or a double mixer
+ * control that spans 2 registers.
+ *
+ * Returns 0 for success.
+ */
+int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
+        struct snd_ctl_elem_value *ucontrol)
+{
+        struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
+        struct soc_mixer_control *mc =
+                (struct soc_mixer_control *)kcontrol->private_value;
+        unsigned int reg = mc->reg;
+        unsigned int reg2 = mc->rreg;
+        unsigned int shift = mc->shift;
+        unsigned int rshift = mc->rshift;
+        int max = mc->max;
+        int min = mc->min;
+        int sign_bit = mc->sign_bit;
+        unsigned int mask = (1 << fls(max)) - 1;
+        unsigned int invert = mc->invert;
+        int val;
+        int ret;
+
+        if (sign_bit)
+                mask = BIT(sign_bit + 1) - 1;
+
+        ret = snd_soc_read_signed(component, reg, mask, shift, sign_bit, &val);
+        if (ret)
+                return ret;
+
+        ucontrol->value.integer.value[0] = val - min;
+        if (invert)
+                ucontrol->value.integer.value[0] =
+                        max - ucontrol->value.integer.value[0];
+
+        if (snd_soc_volsw_is_stereo(mc)) {
+                if (reg == reg2)
+                        ret = snd_soc_read_signed(component, reg, mask, rshift,
+                                sign_bit, &val);
+                else
+                        ret = snd_soc_read_signed(component, reg2, mask, shift,
+                                sign_bit, &val);
+                if (ret)
+                        return ret;
+
+                ucontrol->value.integer.value[1] = val - min;
+                if (invert)
+                        ucontrol->value.integer.value[1] =
+                                max - ucontrol->value.integer.value[1];
+        }
+
+        return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_get_volsw);
+
+/**
+ * snd_soc_put_volsw - single mixer put callback
+ * @kcontrol: mixer control
+ * @ucontrol: control element information
+ *
+ * Callback to set the value of a single mixer control, or a double mixer
+ * control that spans 2 registers.
+ *
+ * Returns 0 for success.
+ */
+int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
+        struct snd_ctl_elem_value *ucontrol)
+{
+        struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
+        struct soc_mixer_control *mc =
+                (struct soc_mixer_control *)kcontrol->private_value;
+        unsigned int reg = mc->reg;
+        unsigned int reg2 = mc->rreg;
+        unsigned int shift = mc->shift;
+        unsigned int rshift = mc->rshift;
+        int max = mc->max;
+        int min = mc->min;
+        unsigned int sign_bit = mc->sign_bit;
+        unsigned int mask = (1 << fls(max)) - 1;
+        unsigned int invert = mc->invert;
+        int err;
+        bool type_2r = false;
+        unsigned int val2 = 0;
+        unsigned int val, val_mask;
+
+        if (sign_bit)
+                mask = BIT(sign_bit + 1) - 1;
+
+        val = ((ucontrol->value.integer.value[0] + min) & mask);
+        if (invert)
+                val = max - val;
+        val_mask = mask << shift;
+        val = val << shift;
+        if (snd_soc_volsw_is_stereo(mc)) {
+                val2 = ((ucontrol->value.integer.value[1] + min) & mask);
+                if (invert)
+                        val2 = max - val2;
+                if (reg == reg2) {
+                        val_mask |= mask << rshift;
+                        val |= val2 << rshift;
+                } else {
+                        val2 = val2 << shift;
+                        type_2r = true;
+                }
+        }
+        err = snd_soc_component_update_bits(component, reg, val_mask, val);
+        if (err < 0)
+                return err;
+
+        if (type_2r)
+                err = snd_soc_component_update_bits(component, reg2, val_mask,
+                        val2);
+
+        return err;
+}
+EXPORT_SYMBOL_GPL(snd_soc_put_volsw);
+
+/**
+ * snd_soc_get_volsw_sx - single mixer get callback
+ * @kcontrol: mixer control
+ * @ucontrol: control element information
+ *
+ * Callback to get the value of a single mixer control, or a double mixer
+ * control that spans 2 registers.
+ *
+ * Returns 0 for success.
+ */
+int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol,
+                      struct snd_ctl_elem_value *ucontrol)
+{
+        struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
+        struct soc_mixer_control *mc =
+            (struct soc_mixer_control *)kcontrol->private_value;
+        unsigned int reg = mc->reg;
+        unsigned int reg2 = mc->rreg;
+        unsigned int shift = mc->shift;
+        unsigned int rshift = mc->rshift;
+        int max = mc->max;
+        int min = mc->min;
+        int mask = (1 << (fls(min + max) - 1)) - 1;
+        unsigned int val;
+        int ret;
+
+        ret = snd_soc_component_read(component, reg, &val);
+        if (ret < 0)
+                return ret;
+
+        ucontrol->value.integer.value[0] = ((val >> shift) - min) & mask;
+
+        if (snd_soc_volsw_is_stereo(mc)) {
+                ret = snd_soc_component_read(component, reg2, &val);
+                if (ret < 0)
+                        return ret;
+
+                val = ((val >> rshift) - min) & mask;
+                ucontrol->value.integer.value[1] = val;
+        }
+
+        return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_get_volsw_sx);
+
+/**
+ * snd_soc_put_volsw_sx - double mixer set callback
+ * @kcontrol: mixer control
+ * @uinfo: control element information
+ *
+ * Callback to set the value of a double mixer control that spans 2 registers.
+ *
+ * Returns 0 for success.
+ */
+int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,
+                         struct snd_ctl_elem_value *ucontrol)
+{
+        struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
+        struct soc_mixer_control *mc =
+            (struct soc_mixer_control *)kcontrol->private_value;
+
+        unsigned int reg = mc->reg;
+        unsigned int reg2 = mc->rreg;
+        unsigned int shift = mc->shift;
+        unsigned int rshift = mc->rshift;
+        int max = mc->max;
+        int min = mc->min;
+        int mask = (1 << (fls(min + max) - 1)) - 1;
+        int err = 0;
+        unsigned int val, val_mask, val2 = 0;
+
+        val_mask = mask << shift;
+        val = (ucontrol->value.integer.value[0] + min) & mask;
+        val = val << shift;
+
+        err = snd_soc_component_update_bits(component, reg, val_mask, val);
+        if (err < 0)
+                return err;
+
+        if (snd_soc_volsw_is_stereo(mc)) {
+                val_mask = mask << rshift;
+                val2 = (ucontrol->value.integer.value[1] + min) & mask;
+                val2 = val2 << rshift;
+
+                err = snd_soc_component_update_bits(component, reg2, val_mask,
+                        val2);
+        }
+        return err;
+}
+EXPORT_SYMBOL_GPL(snd_soc_put_volsw_sx);
+
+/**
+ * snd_soc_info_volsw_range - single mixer info callback with range.
+ * @kcontrol: mixer control
+ * @uinfo: control element information
+ *
+ * Callback to provide information, within a range, about a single
+ * mixer control.
+ *
+ * returns 0 for success.
+ */
+int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol,
+        struct snd_ctl_elem_info *uinfo)
+{
+        struct soc_mixer_control *mc =
+                (struct soc_mixer_control *)kcontrol->private_value;
+        int platform_max;
+        int min = mc->min;
+
+        if (!mc->platform_max)
+                mc->platform_max = mc->max;
+        platform_max = mc->platform_max;
+
+        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+        uinfo->count = snd_soc_volsw_is_stereo(mc) ? 2 : 1;
+        uinfo->value.integer.min = 0;
+        uinfo->value.integer.max = platform_max - min;
+
+        return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_info_volsw_range);
+
+/**
+ * snd_soc_put_volsw_range - single mixer put value callback with range.
+ * @kcontrol: mixer control
+ * @ucontrol: control element information
+ *
+ * Callback to set the value, within a range, for a single mixer control.
+ *
+ * Returns 0 for success.
+ */
+int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
+        struct snd_ctl_elem_value *ucontrol)
+{
+        struct soc_mixer_control *mc =
+                (struct soc_mixer_control *)kcontrol->private_value;
+        struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
+        unsigned int reg = mc->reg;
+        unsigned int rreg = mc->rreg;
+        unsigned int shift = mc->shift;
+        int min = mc->min;
+        int max = mc->max;
+        unsigned int mask = (1 << fls(max)) - 1;
+        unsigned int invert = mc->invert;
+        unsigned int val, val_mask;
+        int ret;
+
+        if (invert)
+                val = (max - ucontrol->value.integer.value[0]) & mask;
+        else
+                val = ((ucontrol->value.integer.value[0] + min) & mask);
+        val_mask = mask << shift;
+        val = val << shift;
+
+        ret = snd_soc_component_update_bits(component, reg, val_mask, val);
+        if (ret < 0)
+                return ret;
+
+        if (snd_soc_volsw_is_stereo(mc)) {
+                if (invert)
+                        val = (max - ucontrol->value.integer.value[1]) & mask;
+                else
+                        val = ((ucontrol->value.integer.value[1] + min) & mask);
+                val_mask = mask << shift;
+                val = val << shift;
+
+                ret = snd_soc_component_update_bits(component, rreg, val_mask,
+                        val);
+        }
+
+        return ret;
+}
+EXPORT_SYMBOL_GPL(snd_soc_put_volsw_range);
+
+/**
+ * snd_soc_get_volsw_range - single mixer get callback with range
+ * @kcontrol: mixer control
+ * @ucontrol: control element information
+ *
+ * Callback to get the value, within a range, of a single mixer control.
+ *
+ * Returns 0 for success.
+ */
+int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
+        struct snd_ctl_elem_value *ucontrol)
+{
+        struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
+        struct soc_mixer_control *mc =
+                (struct soc_mixer_control *)kcontrol->private_value;
+        unsigned int reg = mc->reg;
+        unsigned int rreg = mc->rreg;
+        unsigned int shift = mc->shift;
+        int min = mc->min;
+        int max = mc->max;
+        unsigned int mask = (1 << fls(max)) - 1;
+        unsigned int invert = mc->invert;
+        unsigned int val;
+        int ret;
+
+        ret = snd_soc_component_read(component, reg, &val);
+        if (ret)
+                return ret;
+
+        ucontrol->value.integer.value[0] = (val >> shift) & mask;
+        if (invert)
+                ucontrol->value.integer.value[0] =
+                        max - ucontrol->value.integer.value[0];
+        else
+                ucontrol->value.integer.value[0] =
+                        ucontrol->value.integer.value[0] - min;
+
+        if (snd_soc_volsw_is_stereo(mc)) {
+                ret = snd_soc_component_read(component, rreg, &val);
+                if (ret)
+                        return ret;
+
+                ucontrol->value.integer.value[1] = (val >> shift) & mask;
+                if (invert)
+                        ucontrol->value.integer.value[1] =
+                                max - ucontrol->value.integer.value[1];
+                else
+                        ucontrol->value.integer.value[1] =
+                                ucontrol->value.integer.value[1] - min;
+        }
+
+        return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_get_volsw_range);
+
+/**
+ * snd_soc_limit_volume - Set new limit to an existing volume control.
+ *
+ * @codec: where to look for the control
+ * @name: Name of the control
+ * @max: new maximum limit
+ *
+ * Return 0 for success, else error.
+ */
+int snd_soc_limit_volume(struct snd_soc_codec *codec,
+        const char *name, int max)
+{
+        struct snd_card *card = codec->component.card->snd_card;
+        struct snd_kcontrol *kctl;
+        struct soc_mixer_control *mc;
+        int found = 0;
+        int ret = -EINVAL;
+
+        /* Sanity check for name and max */
+        if (unlikely(!name || max <= 0))
+                return -EINVAL;
+
+        list_for_each_entry(kctl, &card->controls, list) {
+                if (!strncmp(kctl->id.name, name, sizeof(kctl->id.name))) {
+                        found = 1;
+                        break;
+                }
+        }
+        if (found) {
+                mc = (struct soc_mixer_control *)kctl->private_value;
+                if (max <= mc->max) {
+                        mc->platform_max = max;
+                        ret = 0;
+                }
+        }
+        return ret;
+}
+EXPORT_SYMBOL_GPL(snd_soc_limit_volume);
+
+int snd_soc_bytes_info(struct snd_kcontrol *kcontrol,
+                       struct snd_ctl_elem_info *uinfo)
+{
+        struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
+        struct soc_bytes *params = (void *)kcontrol->private_value;
+
+        uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
+        uinfo->count = params->num_regs * component->val_bytes;
+
+        return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_bytes_info);
+
+int snd_soc_bytes_get(struct snd_kcontrol *kcontrol,
+                      struct snd_ctl_elem_value *ucontrol)
+{
+        struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
+        struct soc_bytes *params = (void *)kcontrol->private_value;
+        int ret;
+
+        if (component->regmap)
+                ret = regmap_raw_read(component->regmap, params->base,
+                                      ucontrol->value.bytes.data,
+                                      params->num_regs * component->val_bytes);
+        else
+                ret = -EINVAL;
+
+        /* Hide any masked bytes to ensure consistent data reporting */
+        if (ret == 0 && params->mask) {
+                switch (component->val_bytes) {
+                case 1:
+                        ucontrol->value.bytes.data[0] &= ~params->mask;
+                        break;
+                case 2:
+                        ((u16 *)(&ucontrol->value.bytes.data))[0]
+                                &= cpu_to_be16(~params->mask);
+                        break;
+                case 4:
+                        ((u32 *)(&ucontrol->value.bytes.data))[0]
+                                &= cpu_to_be32(~params->mask);
+                        break;
+                default:
+                        return -EINVAL;
+                }
+        }
+
+        return ret;
+}
+EXPORT_SYMBOL_GPL(snd_soc_bytes_get);
+
+int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
+                      struct snd_ctl_elem_value *ucontrol)
+{
+        struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
+        struct soc_bytes *params = (void *)kcontrol->private_value;
+        int ret, len;
+        unsigned int val, mask;
+        void *data;
+
+        if (!component->regmap || !params->num_regs)
+                return -EINVAL;
+
+        len = params->num_regs * component->val_bytes;
+
+        data = kmemdup(ucontrol->value.bytes.data, len, GFP_KERNEL | GFP_DMA);
+        if (!data)
+                return -ENOMEM;
+
+        /*
+         * If we've got a mask then we need to preserve the register
+         * bits.  We shouldn't modify the incoming data so take a
+         * copy.
+         */
+        if (params->mask) {
+                ret = regmap_read(component->regmap, params->base, &val);
+                if (ret != 0)
+                        goto out;
+
+                val &= params->mask;
+
+                switch (component->val_bytes) {
+                case 1:
+                        ((u8 *)data)[0] &= ~params->mask;
+                        ((u8 *)data)[0] |= val;
+                        break;
+                case 2:
+                        mask = ~params->mask;
+                        ret = regmap_parse_val(component->regmap,
+                                                        &mask, &mask);
+                        if (ret != 0)
+                                goto out;
+
+                        ((u16 *)data)[0] &= mask;
+
+                        ret = regmap_parse_val(component->regmap,
+                                                        &val, &val);
+                        if (ret != 0)
+                                goto out;
+
+                        ((u16 *)data)[0] |= val;
+                        break;
+                case 4:
+                        mask = ~params->mask;
+                        ret = regmap_parse_val(component->regmap,
+                                                        &mask, &mask);
+                        if (ret != 0)
+                                goto out;
+
+                        ((u32 *)data)[0] &= mask;
+
+                        ret = regmap_parse_val(component->regmap,
+                                                        &val, &val);
+                        if (ret != 0)
+                                goto out;
+
+                        ((u32 *)data)[0] |= val;
+                        break;
+                default:
+                        ret = -EINVAL;
+                        goto out;
+                }
+        }
+
+        ret = regmap_raw_write(component->regmap, params->base,
+                               data, len);
+
+out:
+        kfree(data);
+
+        return ret;
+}
+EXPORT_SYMBOL_GPL(snd_soc_bytes_put);
+
+int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol,
+                        struct snd_ctl_elem_info *ucontrol)
+{
+        struct soc_bytes_ext *params = (void *)kcontrol->private_value;
+
+        ucontrol->type = SNDRV_CTL_ELEM_TYPE_BYTES;
+        ucontrol->count = params->max;
+
+        return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_bytes_info_ext);
+
+int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag,
+                                unsigned int size, unsigned int __user *tlv)
+{
+        struct soc_bytes_ext *params = (void *)kcontrol->private_value;
+        unsigned int count = size < params->max ? size : params->max;
+        int ret = -ENXIO;
+
+        switch (op_flag) {
+        case SNDRV_CTL_TLV_OP_READ:
+                if (params->get)
+                        ret = params->get(tlv, count);
+                break;
+        case SNDRV_CTL_TLV_OP_WRITE:
+                if (params->put)
+                        ret = params->put(tlv, count);
+                break;
+        }
+        return ret;
+}
+EXPORT_SYMBOL_GPL(snd_soc_bytes_tlv_callback);
+
+/**
+ * snd_soc_info_xr_sx - signed multi register info callback
+ * @kcontrol: mreg control
+ * @uinfo: control element information
+ *
+ * Callback to provide information of a control that can
+ * span multiple codec registers which together
+ * forms a single signed value in a MSB/LSB manner.
+ *
+ * Returns 0 for success.
+ */
+int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol,
+        struct snd_ctl_elem_info *uinfo)
+{
+        struct soc_mreg_control *mc =
+                (struct soc_mreg_control *)kcontrol->private_value;
+        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+        uinfo->count = 1;
+        uinfo->value.integer.min = mc->min;
+        uinfo->value.integer.max = mc->max;
+
+        return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_info_xr_sx);
+
+/**
+ * snd_soc_get_xr_sx - signed multi register get callback
+ * @kcontrol: mreg control
+ * @ucontrol: control element information
+ *
+ * Callback to get the value of a control that can span
+ * multiple codec registers which together forms a single
+ * signed value in a MSB/LSB manner. The control supports
+ * specifying total no of bits used to allow for bitfields
+ * across the multiple codec registers.
+ *
+ * Returns 0 for success.
+ */
+int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol,
+        struct snd_ctl_elem_value *ucontrol)
+{
+        struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
+        struct soc_mreg_control *mc =
+                (struct soc_mreg_control *)kcontrol->private_value;
+        unsigned int regbase = mc->regbase;
+        unsigned int regcount = mc->regcount;
+        unsigned int regwshift = component->val_bytes * BITS_PER_BYTE;
+        unsigned int regwmask = (1<<regwshift)-1;
+        unsigned int invert = mc->invert;
+        unsigned long mask = (1UL<<mc->nbits)-1;
+        long min = mc->min;
+        long max = mc->max;
+        long val = 0;
+        unsigned int regval;
+        unsigned int i;
+        int ret;
+
+        for (i = 0; i < regcount; i++) {
+                ret = snd_soc_component_read(component, regbase+i, &regval);
+                if (ret)
+                        return ret;
+                val |= (regval & regwmask) << (regwshift*(regcount-i-1));
+        }
+        val &= mask;
+        if (min < 0 && val > max)
+                val |= ~mask;
+        if (invert)
+                val = max - val;
+        ucontrol->value.integer.value[0] = val;
+
+        return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_get_xr_sx);
+
+/**
+ * snd_soc_put_xr_sx - signed multi register get callback
+ * @kcontrol: mreg control
+ * @ucontrol: control element information
+ *
+ * Callback to set the value of a control that can span
+ * multiple codec registers which together forms a single
+ * signed value in a MSB/LSB manner. The control supports
+ * specifying total no of bits used to allow for bitfields
+ * across the multiple codec registers.
+ *
+ * Returns 0 for success.
+ */
+int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol,
+        struct snd_ctl_elem_value *ucontrol)
+{
+        struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
+        struct soc_mreg_control *mc =
+                (struct soc_mreg_control *)kcontrol->private_value;
+        unsigned int regbase = mc->regbase;
+        unsigned int regcount = mc->regcount;
+        unsigned int regwshift = component->val_bytes * BITS_PER_BYTE;
+        unsigned int regwmask = (1<<regwshift)-1;
+        unsigned int invert = mc->invert;
+        unsigned long mask = (1UL<<mc->nbits)-1;
+        long max = mc->max;
+        long val = ucontrol->value.integer.value[0];
+        unsigned int i, regval, regmask;
+        int err;
+
+        if (invert)
+                val = max - val;
+        val &= mask;
+        for (i = 0; i < regcount; i++) {
+                regval = (val >> (regwshift*(regcount-i-1))) & regwmask;
+                regmask = (mask >> (regwshift*(regcount-i-1))) & regwmask;
+                err = snd_soc_component_update_bits(component, regbase+i,
+                                regmask, regval);
+                if (err < 0)
+                        return err;
+        }
+
+        return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_put_xr_sx);
+
+/**
+ * snd_soc_get_strobe - strobe get callback
+ * @kcontrol: mixer control
+ * @ucontrol: control element information
+ *
+ * Callback get the value of a strobe mixer control.
+ *
+ * Returns 0 for success.
+ */
+int snd_soc_get_strobe(struct snd_kcontrol *kcontrol,
+        struct snd_ctl_elem_value *ucontrol)
+{
+        struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
+        struct soc_mixer_control *mc =
+                (struct soc_mixer_control *)kcontrol->private_value;
+        unsigned int reg = mc->reg;
+        unsigned int shift = mc->shift;
+        unsigned int mask = 1 << shift;
+        unsigned int invert = mc->invert != 0;
+        unsigned int val;
+        int ret;
+
+        ret = snd_soc_component_read(component, reg, &val);
+        if (ret)
+                return ret;
+
+        val &= mask;
+
+        if (shift != 0 && val != 0)
+                val = val >> shift;
+        ucontrol->value.enumerated.item[0] = val ^ invert;
+
+        return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_get_strobe);
+
+/**
+ * snd_soc_put_strobe - strobe put callback
+ * @kcontrol: mixer control
+ * @ucontrol: control element information
+ *
+ * Callback strobe a register bit to high then low (or the inverse)
+ * in one pass of a single mixer enum control.
+ *
+ * Returns 1 for success.
+ */
+int snd_soc_put_strobe(struct snd_kcontrol *kcontrol,
+        struct snd_ctl_elem_value *ucontrol)
+{
+        struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
+        struct soc_mixer_control *mc =
+                (struct soc_mixer_control *)kcontrol->private_value;
+        unsigned int reg = mc->reg;
+        unsigned int shift = mc->shift;
+        unsigned int mask = 1 << shift;
+        unsigned int invert = mc->invert != 0;
+        unsigned int strobe = ucontrol->value.enumerated.item[0] != 0;
+        unsigned int val1 = (strobe ^ invert) ? mask : 0;
+        unsigned int val2 = (strobe ^ invert) ? 0 : mask;
+        int err;
+
+        err = snd_soc_component_update_bits(component, reg, mask, val1);
+        if (err < 0)
+                return err;
+
+        return snd_soc_component_update_bits(component, reg, mask, val2);
+}
+EXPORT_SYMBOL_GPL(snd_soc_put_strobe);