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ALSA: i2c: Fix assignment in if condition 

ALSA I2C helper drivers contain a few assignments in if condition,
which is a bad coding style that may confuse readers and occasionally
lead to bugs.

This patch is merely for coding-style fixes, no functional changes.

Link: https://lore.kernel.org/r/20210608140540.17885-66-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2021-06-08 16:05:39 +02:00
parent e73ad38871
commit dd1431e535
4 changed files with 36 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
sound/i2c/cs8427.c
View File

@ -50,7 +50,8 @@ int snd_cs8427_reg_write(struct snd_i2c_device *device, unsigned char reg,
buf[0] = reg & 0x7f;
buf[1] = val;
if ((err = snd_i2c_sendbytes(device, buf, 2)) != 2) {
err = snd_i2c_sendbytes(device, buf, 2);
if (err != 2) {
snd_printk(KERN_ERR "unable to send bytes 0x%02x:0x%02x "
"to CS8427 (%i)\n", buf[0], buf[1], err);
return err < 0 ? err : -EIO;
@ -65,12 +66,14 @@ static int snd_cs8427_reg_read(struct snd_i2c_device *device, unsigned char reg)
int err;
unsigned char buf;
if ((err = snd_i2c_sendbytes(device, &reg, 1)) != 1) {
err = snd_i2c_sendbytes(device, &reg, 1);
if (err != 1) {
snd_printk(KERN_ERR "unable to send register 0x%x byte "
"to CS8427\n", reg);
return err < 0 ? err : -EIO;
}
if ((err = snd_i2c_readbytes(device, &buf, 1)) != 1) {
err = snd_i2c_readbytes(device, &buf, 1);
if (err != 1) {
snd_printk(KERN_ERR "unable to read register 0x%x byte "
"from CS8427\n", reg);
return err < 0 ? err : -EIO;
@ -108,7 +111,8 @@ static int snd_cs8427_send_corudata(struct snd_i2c_device *device,
if (!memcmp(hw_data, ndata, count))
return 0;
if ((err = snd_cs8427_select_corudata(device, udata)) < 0)
err = snd_cs8427_select_corudata(device, udata);
if (err < 0)
return err;
memcpy(hw_data, ndata, count);
if (udata) {
@ -209,7 +213,8 @@ int snd_cs8427_init(struct snd_i2c_bus *bus,
goto __fail;
/* send initial values */
memcpy(chip->regmap + (initvals1[0] & 0x7f), initvals1 + 1, 6);
if ((err = snd_i2c_sendbytes(device, initvals1, 7)) != 7) {
err = snd_i2c_sendbytes(device, initvals1, 7);
if (err != 7) {
err = err < 0 ? err : -EIO;
goto __fail;
}
@ -217,11 +222,13 @@ int snd_cs8427_init(struct snd_i2c_bus *bus,
memset(buf, 0, 7);
/* from address 9 to 15 */
buf[0] = 9; /* register */
if ((err = snd_i2c_sendbytes(device, buf, 7)) != 7)
err = snd_i2c_sendbytes(device, buf, 7);
if (err != 7)
goto __fail;
/* send transfer initialization sequence */
memcpy(chip->regmap + (initvals2[0] & 0x7f), initvals2 + 1, 3);
if ((err = snd_i2c_sendbytes(device, initvals2, 4)) != 4) {
err = snd_i2c_sendbytes(device, initvals2, 4);
if (err != 4) {
err = err < 0 ? err : -EIO;
goto __fail;
}
@ -383,7 +390,8 @@ static int snd_cs8427_qsubcode_get(struct snd_kcontrol *kcontrol,
int err;
snd_i2c_lock(device->bus);
if ((err = snd_i2c_sendbytes(device, &reg, 1)) != 1) {
err = snd_i2c_sendbytes(device, &reg, 1);
if (err != 1) {
snd_printk(KERN_ERR "unable to send register 0x%x byte "
"to CS8427\n", reg);
snd_i2c_unlock(device->bus);

3
sound/i2c/other/ak4114.c
View File

@ -97,7 +97,8 @@ int snd_ak4114_create(struct snd_card *card,
chip->rcs0 = reg_read(chip, AK4114_REG_RCS0) & ~(AK4114_QINT | AK4114_CINT);
chip->rcs1 = reg_read(chip, AK4114_REG_RCS1);
if ((err = snd_device_new(card, SNDRV_DEV_CODEC, chip, &ops)) < 0)
err = snd_device_new(card, SNDRV_DEV_CODEC, chip, &ops);
if (err < 0)
goto __fail;
if (r_ak4114)

3
sound/i2c/other/ak4117.c
View File

@ -86,7 +86,8 @@ int snd_ak4117_create(struct snd_card *card, ak4117_read_t *read, ak4117_write_t
chip->rcs1 = reg_read(chip, AK4117_REG_RCS1);
chip->rcs2 = reg_read(chip, AK4117_REG_RCS2);
if ((err = snd_device_new(card, SNDRV_DEV_CODEC, chip, &ops)) < 0)
err = snd_device_new(card, SNDRV_DEV_CODEC, chip, &ops);
if (err < 0)
goto __fail;
if (r_ak4117)

24
sound/i2c/tea6330t.c
View File

@ -115,7 +115,8 @@ static int snd_tea6330t_put_master_volume(struct snd_kcontrol *kcontrol,
bytes[count++] = tea->regs[TEA6330T_SADDR_VOLUME_RIGHT] = tea->mright;
}
if (count > 0) {
if ((err = snd_i2c_sendbytes(tea->device, bytes, count)) < 0)
err = snd_i2c_sendbytes(tea->device, bytes, count);
if (err < 0)
change = err;
}
snd_i2c_unlock(tea->bus);
@ -160,7 +161,8 @@ static int snd_tea6330t_put_master_switch(struct snd_kcontrol *kcontrol,
bytes[0] = TEA6330T_SADDR_VOLUME_LEFT;
bytes[1] = tea->regs[TEA6330T_SADDR_VOLUME_LEFT];
bytes[2] = tea->regs[TEA6330T_SADDR_VOLUME_RIGHT];
if ((err = snd_i2c_sendbytes(tea->device, bytes, 3)) < 0)
err = snd_i2c_sendbytes(tea->device, bytes, 3);
if (err < 0)
change = err;
snd_i2c_unlock(tea->bus);
return change;
@ -207,7 +209,8 @@ static int snd_tea6330t_put_bass(struct snd_kcontrol *kcontrol,
change = tea->regs[TEA6330T_SADDR_BASS] != val1;
bytes[0] = TEA6330T_SADDR_BASS;
bytes[1] = tea->regs[TEA6330T_SADDR_BASS] = val1;
if ((err = snd_i2c_sendbytes(tea->device, bytes, 2)) < 0)
err = snd_i2c_sendbytes(tea->device, bytes, 2);
if (err < 0)
change = err;
snd_i2c_unlock(tea->bus);
return change;
@ -254,7 +257,8 @@ static int snd_tea6330t_put_treble(struct snd_kcontrol *kcontrol,
change = tea->regs[TEA6330T_SADDR_TREBLE] != val1;
bytes[0] = TEA6330T_SADDR_TREBLE;
bytes[1] = tea->regs[TEA6330T_SADDR_TREBLE] = val1;
if ((err = snd_i2c_sendbytes(tea->device, bytes, 2)) < 0)
err = snd_i2c_sendbytes(tea->device, bytes, 2);
if (err < 0)
change = err;
snd_i2c_unlock(tea->bus);
return change;
@ -287,7 +291,8 @@ int snd_tea6330t_update_mixer(struct snd_card *card,
tea = kzalloc(sizeof(*tea), GFP_KERNEL);
if (tea == NULL)
return -ENOMEM;
if ((err = snd_i2c_device_create(bus, "TEA6330T", TEA6330T_ADDR, &device)) < 0) {
err = snd_i2c_device_create(bus, "TEA6330T", TEA6330T_ADDR, &device);
if (err < 0) {
kfree(tea);
return err;
}
@ -327,18 +332,21 @@ int snd_tea6330t_update_mixer(struct snd_card *card,
bytes[0] = TEA6330T_SADDR_VOLUME_LEFT;
for (idx = 0; idx < 6; idx++)
bytes[idx+1] = tea->regs[idx];
if ((err = snd_i2c_sendbytes(device, bytes, 7)) < 0)
err = snd_i2c_sendbytes(device, bytes, 7);
if (err < 0)
goto __error;
strcat(card->mixername, ",TEA6330T");
if ((err = snd_component_add(card, "TEA6330T")) < 0)
err = snd_component_add(card, "TEA6330T");
if (err < 0)
goto __error;
for (idx = 0; idx < ARRAY_SIZE(snd_tea6330t_controls); idx++) {
knew = &snd_tea6330t_controls[idx];
if (tea->treble == 0 && !strcmp(knew->name, "Tone Control - Treble"))
continue;
if ((err = snd_ctl_add(card, snd_ctl_new1(knew, tea))) < 0)
err = snd_ctl_add(card, snd_ctl_new1(knew, tea));
if (err < 0)
goto __error;
}