mirrors/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-12-27 12:21:22 -05:00
Code Issues Packages Projects Releases Wiki Activity

ALSA: es1688: Use guard() for spin locks

Browse Source 
Clean up the code using guard() for spin locks.

Merely code refactoring, and no behavior change.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20250829145300.5460-6-tiwai@suse.de
This commit is contained in:
Takashi Iwai
2025-08-29 16:52:45 +02:00
parent 6f5d556a80
commit e5a5ad81c8
1 changed files with 128 additions and 148 deletions
Download Patch File Download Diff File Expand all files Collapse all files

276
sound/isa/es1688/es1688_lib.c
View File

@@ -105,7 +105,6 @@ EXPORT_SYMBOL(snd_es1688_reset);
static int snd_es1688_probe(struct snd_es1688 *chip)
{
unsigned long flags;
unsigned short major, minor;
int i;
@@ -113,39 +112,36 @@ static int snd_es1688_probe(struct snd_es1688 *chip)
* initialization sequence
*/
spin_lock_irqsave(&chip->reg_lock, flags); /* Some ESS1688 cards need this */
inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */
inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */
inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */
inb(ES1688P(chip, ENABLE2)); /* ENABLE2 */
inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */
inb(ES1688P(chip, ENABLE2)); /* ENABLE2 */
inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */
inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */
inb(ES1688P(chip, ENABLE2)); /* ENABLE2 */
inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */
inb(ES1688P(chip, ENABLE0)); /* ENABLE0 */
scoped_guard(spinlock_irqsave, &chip->reg_lock) { /* Some ESS1688 cards need this */
inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */
inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */
inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */
inb(ES1688P(chip, ENABLE2)); /* ENABLE2 */
inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */
inb(ES1688P(chip, ENABLE2)); /* ENABLE2 */
inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */
inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */
inb(ES1688P(chip, ENABLE2)); /* ENABLE2 */
inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */
inb(ES1688P(chip, ENABLE0)); /* ENABLE0 */
if (snd_es1688_reset(chip) < 0) {
dev_dbg(chip->card->dev, "ESS: [0x%lx] reset failed... 0x%x\n",
chip->port, inb(ES1688P(chip, READ)));
spin_unlock_irqrestore(&chip->reg_lock, flags);
return -ENODEV;
}
snd_es1688_dsp_command(chip, 0xe7); /* return identification */
if (snd_es1688_reset(chip) < 0) {
dev_dbg(chip->card->dev, "ESS: [0x%lx] reset failed... 0x%x\n",
chip->port, inb(ES1688P(chip, READ)));
return -ENODEV;
}
snd_es1688_dsp_command(chip, 0xe7); /* return identification */
for (i = 1000, major = minor = 0; i; i--) {
if (inb(ES1688P(chip, DATA_AVAIL)) & 0x80) {
if (major == 0) {
major = inb(ES1688P(chip, READ));
} else {
minor = inb(ES1688P(chip, READ));
for (i = 1000, major = minor = 0; i; i--) {
if (inb(ES1688P(chip, DATA_AVAIL)) & 0x80) {
if (major == 0)
major = inb(ES1688P(chip, READ));
else
minor = inb(ES1688P(chip, READ));
}
}
}
spin_unlock_irqrestore(&chip->reg_lock, flags);
dev_dbg(chip->card->dev,
"ESS: [0x%lx] found.. major = 0x%x, minor = 0x%x\n",
chip->port, major, minor);
@@ -169,15 +165,15 @@ static int snd_es1688_probe(struct snd_es1688 *chip)
return -ENODEV;
}
spin_lock_irqsave(&chip->reg_lock, flags);
snd_es1688_write(chip, 0xb1, 0x10); /* disable IRQ */
snd_es1688_write(chip, 0xb2, 0x00); /* disable DMA */
spin_unlock_irqrestore(&chip->reg_lock, flags);
scoped_guard(spinlock_irqsave, &chip->reg_lock) {
snd_es1688_write(chip, 0xb1, 0x10); /* disable IRQ */
snd_es1688_write(chip, 0xb2, 0x00); /* disable DMA */
}
/* enable joystick, but disable OPL3 */
spin_lock_irqsave(&chip->mixer_lock, flags);
snd_es1688_mixer_write(chip, 0x40, 0x01);
spin_unlock_irqrestore(&chip->mixer_lock, flags);
scoped_guard(spinlock_irqsave, &chip->mixer_lock) {
snd_es1688_mixer_write(chip, 0x40, 0x01);
}
return 0;
}
@@ -185,7 +181,6 @@ static int snd_es1688_probe(struct snd_es1688 *chip)
static int snd_es1688_init(struct snd_es1688 * chip, int enable)
{
static const int irqs[16] = {-1, -1, 0, -1, -1, 1, -1, 2, -1, 0, 3, -1, -1, -1, -1, -1};
unsigned long flags;
int cfg, irq_bits, dma, dma_bits, tmp, tmp1;
/* ok.. setup MPU-401 port and joystick and OPL3 */
@@ -214,14 +209,14 @@ static int snd_es1688_init(struct snd_es1688 * chip, int enable)
}
}
}
spin_lock_irqsave(&chip->reg_lock, flags);
snd_es1688_mixer_write(chip, 0x40, cfg);
spin_unlock_irqrestore(&chip->reg_lock, flags);
scoped_guard(spinlock_irqsave, &chip->reg_lock) {
snd_es1688_mixer_write(chip, 0x40, cfg);
}
/* --- */
spin_lock_irqsave(&chip->reg_lock, flags);
snd_es1688_read(chip, 0xb1);
snd_es1688_read(chip, 0xb2);
spin_unlock_irqrestore(&chip->reg_lock, flags);
scoped_guard(spinlock_irqsave, &chip->reg_lock) {
snd_es1688_read(chip, 0xb1);
snd_es1688_read(chip, 0xb2);
}
if (enable) {
cfg = 0xf0; /* enable only DMA counter interrupt */
irq_bits = irqs[chip->irq & 0x0f];
@@ -235,9 +230,9 @@ static int snd_es1688_init(struct snd_es1688 * chip, int enable)
#endif
return -EINVAL;
}
spin_lock_irqsave(&chip->reg_lock, flags);
snd_es1688_write(chip, 0xb1, cfg | (irq_bits << 2));
spin_unlock_irqrestore(&chip->reg_lock, flags);
scoped_guard(spinlock_irqsave, &chip->reg_lock) {
snd_es1688_write(chip, 0xb1, cfg | (irq_bits << 2));
}
cfg = 0xf0; /* extended mode DMA enable */
dma = chip->dma8;
if (dma > 3 || dma == 2) {
@@ -254,20 +249,20 @@ static int snd_es1688_init(struct snd_es1688 * chip, int enable)
if (dma != 3)
dma_bits++;
}
spin_lock_irqsave(&chip->reg_lock, flags);
snd_es1688_write(chip, 0xb2, cfg | (dma_bits << 2));
spin_unlock_irqrestore(&chip->reg_lock, flags);
scoped_guard(spinlock_irqsave, &chip->reg_lock) {
snd_es1688_write(chip, 0xb2, cfg | (dma_bits << 2));
}
} else {
spin_lock_irqsave(&chip->reg_lock, flags);
snd_es1688_write(chip, 0xb1, 0x10); /* disable IRQ */
snd_es1688_write(chip, 0xb2, 0x00); /* disable DMA */
spin_unlock_irqrestore(&chip->reg_lock, flags);
scoped_guard(spinlock_irqsave, &chip->reg_lock) {
snd_es1688_write(chip, 0xb1, 0x10); /* disable IRQ */
snd_es1688_write(chip, 0xb2, 0x00); /* disable DMA */
}
}
scoped_guard(spinlock_irqsave, &chip->reg_lock) {
snd_es1688_read(chip, 0xb1);
snd_es1688_read(chip, 0xb2);
snd_es1688_reset(chip);
}
spin_lock_irqsave(&chip->reg_lock, flags);
snd_es1688_read(chip, 0xb1);
snd_es1688_read(chip, 0xb2);
snd_es1688_reset(chip);
spin_unlock_irqrestore(&chip->reg_lock, flags);
return 0;
}
@@ -320,74 +315,70 @@ static int snd_es1688_trigger(struct snd_es1688 *chip, int cmd, unsigned char va
} else if (cmd != SNDRV_PCM_TRIGGER_START) {
return -EINVAL;
}
spin_lock(&chip->reg_lock);
guard(spinlock)(&chip->reg_lock);
chip->trigger_value = value;
val = snd_es1688_read(chip, 0xb8);
if ((val < 0) || (val & 0x0f) == value) {
spin_unlock(&chip->reg_lock);
if ((val < 0) || (val & 0x0f) == value)
return -EINVAL; /* something is wrong */
}
#if 0
dev_dbg(chip->card->dev, "trigger: val = 0x%x, value = 0x%x\n", val, value);
dev_dbg(chip->card->dev, "trigger: pointer = 0x%x\n",
snd_dma_pointer(chip->dma8, chip->dma_size));
#endif
snd_es1688_write(chip, 0xb8, (val & 0xf0) | value);
spin_unlock(&chip->reg_lock);
return 0;
}
static int snd_es1688_playback_prepare(struct snd_pcm_substream *substream)
{
unsigned long flags;
struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
unsigned int size = snd_pcm_lib_buffer_bytes(substream);
unsigned int count = snd_pcm_lib_period_bytes(substream);
chip->dma_size = size;
spin_lock_irqsave(&chip->reg_lock, flags);
snd_es1688_reset(chip);
snd_es1688_set_rate(chip, substream);
snd_es1688_write(chip, 0xb8, 4); /* auto init DMA mode */
snd_es1688_write(chip, 0xa8, (snd_es1688_read(chip, 0xa8) & ~0x03) | (3 - runtime->channels));
snd_es1688_write(chip, 0xb9, 2); /* demand mode (4 bytes/request) */
if (runtime->channels == 1) {
if (snd_pcm_format_width(runtime->format) == 8) {
/* 8. bit mono */
snd_es1688_write(chip, 0xb6, 0x80);
snd_es1688_write(chip, 0xb7, 0x51);
snd_es1688_write(chip, 0xb7, 0xd0);
scoped_guard(spinlock_irqsave, &chip->reg_lock) {
snd_es1688_reset(chip);
snd_es1688_set_rate(chip, substream);
snd_es1688_write(chip, 0xb8, 4); /* auto init DMA mode */
snd_es1688_write(chip, 0xa8, (snd_es1688_read(chip, 0xa8) & ~0x03) | (3 - runtime->channels));
snd_es1688_write(chip, 0xb9, 2); /* demand mode (4 bytes/request) */
if (runtime->channels == 1) {
if (snd_pcm_format_width(runtime->format) == 8) {
/* 8. bit mono */
snd_es1688_write(chip, 0xb6, 0x80);
snd_es1688_write(chip, 0xb7, 0x51);
snd_es1688_write(chip, 0xb7, 0xd0);
} else {
/* 16. bit mono */
snd_es1688_write(chip, 0xb6, 0x00);
snd_es1688_write(chip, 0xb7, 0x71);
snd_es1688_write(chip, 0xb7, 0xf4);
}
} else {
/* 16. bit mono */
snd_es1688_write(chip, 0xb6, 0x00);
snd_es1688_write(chip, 0xb7, 0x71);
snd_es1688_write(chip, 0xb7, 0xf4);
}
} else {
if (snd_pcm_format_width(runtime->format) == 8) {
/* 8. bit stereo */
snd_es1688_write(chip, 0xb6, 0x80);
snd_es1688_write(chip, 0xb7, 0x51);
snd_es1688_write(chip, 0xb7, 0x98);
} else {
/* 16. bit stereo */
snd_es1688_write(chip, 0xb6, 0x00);
snd_es1688_write(chip, 0xb7, 0x71);
snd_es1688_write(chip, 0xb7, 0xbc);
if (snd_pcm_format_width(runtime->format) == 8) {
/* 8. bit stereo */
snd_es1688_write(chip, 0xb6, 0x80);
snd_es1688_write(chip, 0xb7, 0x51);
snd_es1688_write(chip, 0xb7, 0x98);
} else {
/* 16. bit stereo */
snd_es1688_write(chip, 0xb6, 0x00);
snd_es1688_write(chip, 0xb7, 0x71);
snd_es1688_write(chip, 0xb7, 0xbc);
}
}
snd_es1688_write(chip, 0xb1, (snd_es1688_read(chip, 0xb1) & 0x0f) | 0x50);
snd_es1688_write(chip, 0xb2, (snd_es1688_read(chip, 0xb2) & 0x0f) | 0x50);
snd_es1688_dsp_command(chip, ES1688_DSP_CMD_SPKON);
}
snd_es1688_write(chip, 0xb1, (snd_es1688_read(chip, 0xb1) & 0x0f) | 0x50);
snd_es1688_write(chip, 0xb2, (snd_es1688_read(chip, 0xb2) & 0x0f) | 0x50);
snd_es1688_dsp_command(chip, ES1688_DSP_CMD_SPKON);
spin_unlock_irqrestore(&chip->reg_lock, flags);
/* --- */
count = -count;
snd_dma_program(chip->dma8, runtime->dma_addr, size, DMA_MODE_WRITE | DMA_AUTOINIT);
spin_lock_irqsave(&chip->reg_lock, flags);
snd_es1688_write(chip, 0xa4, (unsigned char) count);
snd_es1688_write(chip, 0xa5, (unsigned char) (count >> 8));
spin_unlock_irqrestore(&chip->reg_lock, flags);
scoped_guard(spinlock_irqsave, &chip->reg_lock) {
snd_es1688_write(chip, 0xa4, (unsigned char) count);
snd_es1688_write(chip, 0xa5, (unsigned char) (count >> 8));
}
return 0;
}
@@ -400,51 +391,50 @@ static int snd_es1688_playback_trigger(struct snd_pcm_substream *substream,
static int snd_es1688_capture_prepare(struct snd_pcm_substream *substream)
{
unsigned long flags;
struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
unsigned int size = snd_pcm_lib_buffer_bytes(substream);
unsigned int count = snd_pcm_lib_period_bytes(substream);
chip->dma_size = size;
spin_lock_irqsave(&chip->reg_lock, flags);
snd_es1688_reset(chip);
snd_es1688_set_rate(chip, substream);
snd_es1688_dsp_command(chip, ES1688_DSP_CMD_SPKOFF);
snd_es1688_write(chip, 0xb8, 0x0e); /* auto init DMA mode */
snd_es1688_write(chip, 0xa8, (snd_es1688_read(chip, 0xa8) & ~0x03) | (3 - runtime->channels));
snd_es1688_write(chip, 0xb9, 2); /* demand mode (4 bytes/request) */
if (runtime->channels == 1) {
if (snd_pcm_format_width(runtime->format) == 8) {
/* 8. bit mono */
snd_es1688_write(chip, 0xb7, 0x51);
snd_es1688_write(chip, 0xb7, 0xd0);
scoped_guard(spinlock_irqsave, &chip->reg_lock) {
snd_es1688_reset(chip);
snd_es1688_set_rate(chip, substream);
snd_es1688_dsp_command(chip, ES1688_DSP_CMD_SPKOFF);
snd_es1688_write(chip, 0xb8, 0x0e); /* auto init DMA mode */
snd_es1688_write(chip, 0xa8, (snd_es1688_read(chip, 0xa8) & ~0x03) | (3 - runtime->channels));
snd_es1688_write(chip, 0xb9, 2); /* demand mode (4 bytes/request) */
if (runtime->channels == 1) {
if (snd_pcm_format_width(runtime->format) == 8) {
/* 8. bit mono */
snd_es1688_write(chip, 0xb7, 0x51);
snd_es1688_write(chip, 0xb7, 0xd0);
} else {
/* 16. bit mono */
snd_es1688_write(chip, 0xb7, 0x71);
snd_es1688_write(chip, 0xb7, 0xf4);
}
} else {
/* 16. bit mono */
snd_es1688_write(chip, 0xb7, 0x71);
snd_es1688_write(chip, 0xb7, 0xf4);
}
} else {
if (snd_pcm_format_width(runtime->format) == 8) {
/* 8. bit stereo */
snd_es1688_write(chip, 0xb7, 0x51);
snd_es1688_write(chip, 0xb7, 0x98);
} else {
/* 16. bit stereo */
snd_es1688_write(chip, 0xb7, 0x71);
snd_es1688_write(chip, 0xb7, 0xbc);
if (snd_pcm_format_width(runtime->format) == 8) {
/* 8. bit stereo */
snd_es1688_write(chip, 0xb7, 0x51);
snd_es1688_write(chip, 0xb7, 0x98);
} else {
/* 16. bit stereo */
snd_es1688_write(chip, 0xb7, 0x71);
snd_es1688_write(chip, 0xb7, 0xbc);
}
}
snd_es1688_write(chip, 0xb1, (snd_es1688_read(chip, 0xb1) & 0x0f) | 0x50);
snd_es1688_write(chip, 0xb2, (snd_es1688_read(chip, 0xb2) & 0x0f) | 0x50);
}
snd_es1688_write(chip, 0xb1, (snd_es1688_read(chip, 0xb1) & 0x0f) | 0x50);
snd_es1688_write(chip, 0xb2, (snd_es1688_read(chip, 0xb2) & 0x0f) | 0x50);
spin_unlock_irqrestore(&chip->reg_lock, flags);
/* --- */
count = -count;
snd_dma_program(chip->dma8, runtime->dma_addr, size, DMA_MODE_READ | DMA_AUTOINIT);
spin_lock_irqsave(&chip->reg_lock, flags);
snd_es1688_write(chip, 0xa4, (unsigned char) count);
snd_es1688_write(chip, 0xa5, (unsigned char) (count >> 8));
spin_unlock_irqrestore(&chip->reg_lock, flags);
scoped_guard(spinlock_irqsave, &chip->reg_lock) {
snd_es1688_write(chip, 0xa4, (unsigned char) count);
snd_es1688_write(chip, 0xa5, (unsigned char) (count >> 8));
}
return 0;
}
@@ -738,19 +728,17 @@ static int snd_es1688_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem
static int snd_es1688_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol);
unsigned long flags;
unsigned char oval, nval;
int change;
if (ucontrol->value.enumerated.item[0] > 8)
return -EINVAL;
spin_lock_irqsave(&chip->reg_lock, flags);
guard(spinlock_irqsave)(&chip->reg_lock);
oval = snd_es1688_mixer_read(chip, ES1688_REC_DEV);
nval = (ucontrol->value.enumerated.item[0] & 7) | (oval & ~15);
change = nval != oval;
if (change)
snd_es1688_mixer_write(chip, ES1688_REC_DEV, nval);
spin_unlock_irqrestore(&chip->reg_lock, flags);
return change;
}
@@ -774,15 +762,13 @@ static int snd_es1688_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_
static int snd_es1688_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol);
unsigned long flags;
int reg = kcontrol->private_value & 0xff;
int shift = (kcontrol->private_value >> 8) & 0xff;
int mask = (kcontrol->private_value >> 16) & 0xff;
int invert = (kcontrol->private_value >> 24) & 0xff;
spin_lock_irqsave(&chip->reg_lock, flags);
guard(spinlock_irqsave)(&chip->reg_lock);
ucontrol->value.integer.value[0] = (snd_es1688_mixer_read(chip, reg) >> shift) & mask;
spin_unlock_irqrestore(&chip->reg_lock, flags);
if (invert)
ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
return 0;
@@ -791,7 +777,6 @@ static int snd_es1688_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_e
static int snd_es1688_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol);
unsigned long flags;
int reg = kcontrol->private_value & 0xff;
int shift = (kcontrol->private_value >> 8) & 0xff;
int mask = (kcontrol->private_value >> 16) & 0xff;
@@ -803,13 +788,12 @@ static int snd_es1688_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_e
if (invert)
nval = mask - nval;
nval <<= shift;
spin_lock_irqsave(&chip->reg_lock, flags);
guard(spinlock_irqsave)(&chip->reg_lock);
oval = snd_es1688_mixer_read(chip, reg);
nval = (oval & ~(mask << shift)) | nval;
change = nval != oval;
if (change)
snd_es1688_mixer_write(chip, reg, nval);
spin_unlock_irqrestore(&chip->reg_lock, flags);
return change;
}
@@ -833,7 +817,6 @@ static int snd_es1688_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_
static int snd_es1688_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol);
unsigned long flags;
int left_reg = kcontrol->private_value & 0xff;
int right_reg = (kcontrol->private_value >> 8) & 0xff;
int shift_left = (kcontrol->private_value >> 16) & 0x07;
@@ -842,7 +825,7 @@ static int snd_es1688_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_e
int invert = (kcontrol->private_value >> 22) & 1;
unsigned char left, right;
spin_lock_irqsave(&chip->reg_lock, flags);
guard(spinlock_irqsave)(&chip->reg_lock);
if (left_reg < 0xa0)
left = snd_es1688_mixer_read(chip, left_reg);
else
@@ -854,7 +837,6 @@ static int snd_es1688_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_e
right = snd_es1688_read(chip, right_reg);
} else
right = left;
spin_unlock_irqrestore(&chip->reg_lock, flags);
ucontrol->value.integer.value[0] = (left >> shift_left) & mask;
ucontrol->value.integer.value[1] = (right >> shift_right) & mask;
if (invert) {
@@ -867,7 +849,6 @@ static int snd_es1688_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_e
static int snd_es1688_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol);
unsigned long flags;
int left_reg = kcontrol->private_value & 0xff;
int right_reg = (kcontrol->private_value >> 8) & 0xff;
int shift_left = (kcontrol->private_value >> 16) & 0x07;
@@ -885,7 +866,7 @@ static int snd_es1688_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_e
}
val1 <<= shift_left;
val2 <<= shift_right;
spin_lock_irqsave(&chip->reg_lock, flags);
guard(spinlock_irqsave)(&chip->reg_lock);
if (left_reg != right_reg) {
if (left_reg < 0xa0)
oval1 = snd_es1688_mixer_read(chip, left_reg);
@@ -923,7 +904,6 @@ static int snd_es1688_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_e
}
}
spin_unlock_irqrestore(&chip->reg_lock, flags);
return change;
}