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>

1 files changed, 16 insertions, 8 deletions

diff --git a/sound/i2c/cs8427.c b/sound/i2c/cs8427.c
index 8634d4f466b3..65012af6a36e 100644
--- a/sound/i2c/cs8427.c
+++ b/sound/i2c/cs8427.c
@@ -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);