ALSA: echoaudio: Fix assignment in if condition

PCI echoaudio 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/20210608140540.17885-40-tiwai@suse.deSigned-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/echoaudio/darla20_dsp.c

@@ -36,7 +36,8 @@ static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id)
 	if (snd_BUG_ON((subdevice_id & 0xfff0) != DARLA20))
 		return -ENODEV;
 
-	if ((err = init_dsp_comm_page(chip))) {
+	err = init_dsp_comm_page(chip);
+	if (err) {
 		dev_err(chip->card->dev,
 			"init_hw: could not initialize DSP comm page\n");
 		return err;
@@ -53,7 +54,8 @@ static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id)
 	chip->asic_loaded = true;
 	chip->input_clock_types = ECHO_CLOCK_BIT_INTERNAL;
 
-	if ((err = load_firmware(chip)) < 0)
+	err = load_firmware(chip);
+	if (err < 0)
 		return err;
 	chip->bad_board = false;
 

sound/pci/echoaudio/darla24_dsp.c

@@ -36,7 +36,8 @@ static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id)
 	if (snd_BUG_ON((subdevice_id & 0xfff0) != DARLA24))
 		return -ENODEV;
 
-	if ((err = init_dsp_comm_page(chip))) {
+	err = init_dsp_comm_page(chip);
+	if (err) {
 		dev_err(chip->card->dev,
 			"init_hw: could not initialize DSP comm page\n");
 		return err;
@@ -52,7 +53,8 @@ static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id)
 	chip->input_clock_types = ECHO_CLOCK_BIT_INTERNAL |
 		ECHO_CLOCK_BIT_ESYNC;
 
-	if ((err = load_firmware(chip)) < 0)
+	err = load_firmware(chip);
+	if (err < 0)
 		return err;
 	chip->bad_board = false;
 

sound/pci/echoaudio/echo3g_dsp.c

@@ -49,7 +49,8 @@ static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id)
 	if (snd_BUG_ON((subdevice_id & 0xfff0) != ECHO3G))
 		return -ENODEV;
 
-	if ((err = init_dsp_comm_page(chip))) {
+	err = init_dsp_comm_page(chip);
+	if (err) {
 		dev_err(chip->card->dev,
 			"init_hw - could not initialize DSP comm page\n");
 		return err;

sound/pci/echoaudio/echoaudio_dsp.c

@@ -349,7 +349,8 @@ static int load_dsp(struct echoaudio *chip, u16 *code)
 
 	/* If this board requires a resident loader, install it. */
 #ifdef DSP_56361
-	if ((i = install_resident_loader(chip)) < 0)
+	i = install_resident_loader(chip);
+	if (i < 0)
 		return i;
 #endif
 
@@ -495,7 +496,8 @@ static int load_firmware(struct echoaudio *chip)
 
 	/* See if the ASIC is present and working - only if the DSP is already loaded */
 	if (chip->dsp_code) {
-		if ((box_type = check_asic_status(chip)) >= 0)
+		box_type = check_asic_status(chip);
+		if (box_type >= 0)
 			return box_type;
 		/* ASIC check failed; force the DSP to reload */
 		chip->dsp_code = NULL;
@@ -509,7 +511,8 @@ static int load_firmware(struct echoaudio *chip)
 	if (err < 0)
 		return err;
 
-	if ((box_type = load_asic(chip)) < 0)
+	box_type = load_asic(chip);
+	if (box_type < 0)
 		return box_type;	/* error */
 
 	return box_type;
@@ -667,7 +670,8 @@ static int restore_dsp_rettings(struct echoaudio *chip)
 {
 	int i, o, err;
 
-	if ((err = check_asic_status(chip)) < 0)
+	err = check_asic_status(chip);
+	if (err < 0)
 		return err;
 
 	/* Gina20/Darla20 only. Should be harmless for other cards. */

sound/pci/echoaudio/echoaudio_gml.c

@@ -194,7 +194,8 @@ static int set_professional_spdif(struct echoaudio *chip, char prof)
 		}
 	}
 
-	if ((err = write_control_reg(chip, control_reg, false)))
+	err = write_control_reg(chip, control_reg, false);
+	if (err)
 		return err;
 	chip->professional_spdif = prof;
 	dev_dbg(chip->card->dev, "set_professional_spdif to %s\n",

sound/pci/echoaudio/gina20_dsp.c

@@ -40,7 +40,8 @@ static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id)
 	if (snd_BUG_ON((subdevice_id & 0xfff0) != GINA20))
 		return -ENODEV;
 
-	if ((err = init_dsp_comm_page(chip))) {
+	err = init_dsp_comm_page(chip);
+	if (err) {
 		dev_err(chip->card->dev,
 			"init_hw - could not initialize DSP comm page\n");
 		return err;
@@ -58,7 +59,8 @@ static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id)
 	chip->input_clock_types = ECHO_CLOCK_BIT_INTERNAL |
 		ECHO_CLOCK_BIT_SPDIF;
 
-	if ((err = load_firmware(chip)) < 0)
+	err = load_firmware(chip);
+	if (err < 0)
 		return err;
 	chip->bad_board = false;
 

sound/pci/echoaudio/gina24_dsp.c

@@ -44,7 +44,8 @@ static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id)
 	if (snd_BUG_ON((subdevice_id & 0xfff0) != GINA24))
 		return -ENODEV;
 
-	if ((err = init_dsp_comm_page(chip))) {
+	err = init_dsp_comm_page(chip);
+	if (err) {
 		dev_err(chip->card->dev,
 			"init_hw - could not initialize DSP comm page\n");
 		return err;
@@ -74,7 +75,8 @@ static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id)
 			ECHOCAPS_HAS_DIGITAL_MODE_SPDIF_CDROM;
 	}
 
-	if ((err = load_firmware(chip)) < 0)
+	err = load_firmware(chip);
+	if (err < 0)
 		return err;
 	chip->bad_board = false;
 

sound/pci/echoaudio/indigo_dsp.c

@@ -41,7 +41,8 @@ static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id)
 	if (snd_BUG_ON((subdevice_id & 0xfff0) != INDIGO))
 		return -ENODEV;
 
-	if ((err = init_dsp_comm_page(chip))) {
+	err = init_dsp_comm_page(chip);
+	if (err) {
 		dev_err(chip->card->dev,
 			"init_hw - could not initialize DSP comm page\n");
 		return err;
@@ -56,7 +57,8 @@ static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id)
 	chip->asic_loaded = true;
 	chip->input_clock_types = ECHO_CLOCK_BIT_INTERNAL;
 
-	if ((err = load_firmware(chip)) < 0)
+	err = load_firmware(chip);
+	if (err < 0)
 		return err;
 	chip->bad_board = false;
 

sound/pci/echoaudio/indigodj_dsp.c

@@ -41,7 +41,8 @@ static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id)
 	if (snd_BUG_ON((subdevice_id & 0xfff0) != INDIGO_DJ))
 		return -ENODEV;
 
-	if ((err = init_dsp_comm_page(chip))) {
+	err = init_dsp_comm_page(chip);
+	if (err) {
 		dev_err(chip->card->dev,
 			"init_hw - could not initialize DSP comm page\n");
 		return err;
@@ -56,7 +57,8 @@ static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id)
 	chip->asic_loaded = true;
 	chip->input_clock_types = ECHO_CLOCK_BIT_INTERNAL;
 
-	if ((err = load_firmware(chip)) < 0)
+	err = load_firmware(chip);
+	if (err < 0)
 		return err;
 	chip->bad_board = false;
 

sound/pci/echoaudio/indigoio_dsp.c

@@ -41,7 +41,8 @@ static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id)
 	if (snd_BUG_ON((subdevice_id & 0xfff0) != INDIGO_IO))
 		return -ENODEV;
 
-	if ((err = init_dsp_comm_page(chip))) {
+	err = init_dsp_comm_page(chip);
+	if (err) {
 		dev_err(chip->card->dev,
 			"init_hw - could not initialize DSP comm page\n");
 		return err;
@@ -56,7 +57,8 @@ static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id)
 	chip->asic_loaded = true;
 	chip->input_clock_types = ECHO_CLOCK_BIT_INTERNAL;
 
-	if ((err = load_firmware(chip)) < 0)
+	err = load_firmware(chip);
+	if (err < 0)
 		return err;
 	chip->bad_board = false;
 

sound/pci/echoaudio/layla20_dsp.c

@@ -43,7 +43,8 @@ static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id)
 	if (snd_BUG_ON((subdevice_id & 0xfff0) != LAYLA20))
 		return -ENODEV;
 
-	if ((err = init_dsp_comm_page(chip))) {
+	err = init_dsp_comm_page(chip);
+	if (err) {
 		dev_err(chip->card->dev,
 			"init_hw - could not initialize DSP comm page\n");
 		return err;
@@ -60,7 +61,8 @@ static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id)
 	chip->output_clock_types =
 		ECHO_CLOCK_BIT_WORD | ECHO_CLOCK_BIT_SUPER;
 
-	if ((err = load_firmware(chip)) < 0)
+	err = load_firmware(chip);
+	if (err < 0)
 		return err;
 	chip->bad_board = false;
 

sound/pci/echoaudio/layla24_dsp.c

@@ -43,7 +43,8 @@ static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id)
 	if (snd_BUG_ON((subdevice_id & 0xfff0) != LAYLA24))
 		return -ENODEV;
 
-	if ((err = init_dsp_comm_page(chip))) {
+	err = init_dsp_comm_page(chip);
+	if (err) {
 		dev_err(chip->card->dev,
 			"init_hw - could not initialize DSP comm page\n");
 		return err;
@@ -62,11 +63,13 @@ static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id)
 		ECHOCAPS_HAS_DIGITAL_MODE_SPDIF_OPTICAL |
 		ECHOCAPS_HAS_DIGITAL_MODE_ADAT;
 
-	if ((err = load_firmware(chip)) < 0)
+	err = load_firmware(chip);
+	if (err < 0)
 		return err;
 	chip->bad_board = false;
 
-	if ((err = init_line_levels(chip)) < 0)
+	err = init_line_levels(chip);
+	if (err < 0)
 		return err;
 
 	return err;

sound/pci/echoaudio/mia_dsp.c

@@ -44,7 +44,8 @@ static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id)
 	if (snd_BUG_ON((subdevice_id & 0xfff0) != MIA))
 		return -ENODEV;
 
-	if ((err = init_dsp_comm_page(chip))) {
+	err = init_dsp_comm_page(chip);
+	if (err) {
 		dev_err(chip->card->dev,
 			"init_hw - could not initialize DSP comm page\n");
 		return err;
@@ -62,7 +63,8 @@ static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id)
 	chip->input_clock_types = ECHO_CLOCK_BIT_INTERNAL |
 		ECHO_CLOCK_BIT_SPDIF;
 
-	if ((err = load_firmware(chip)) < 0)
+	err = load_firmware(chip);
+	if (err < 0)
 		return err;
 	chip->bad_board = false;
 

sound/pci/echoaudio/midi.c

@@ -308,8 +308,8 @@ static int snd_echo_midi_create(struct snd_card *card,
 {
 	int err;
 
-	if ((err = snd_rawmidi_new(card, card->shortname, 0, 1, 1,
-				   &chip->rmidi)) < 0)
+	err = snd_rawmidi_new(card, card->shortname, 0, 1, 1, &chip->rmidi);
+	if (err < 0)
 		return err;
 
 	strcpy(chip->rmidi->name, card->shortname);

sound/pci/echoaudio/mona_dsp.c

@@ -44,7 +44,8 @@ static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id)
 	if (snd_BUG_ON((subdevice_id & 0xfff0) != MONA))
 		return -ENODEV;
 
-	if ((err = init_dsp_comm_page(chip))) {
+	err = init_dsp_comm_page(chip);
+	if (err) {
 		dev_err(chip->card->dev,
 			"init_hw - could not initialize DSP comm page\n");
 		return err;
@@ -67,7 +68,8 @@ static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id)
 	else
 		chip->dsp_code_to_load = FW_MONA_301_DSP;
 
-	if ((err = load_firmware(chip)) < 0)
+	err = load_firmware(chip);
+	if (err < 0)
 		return err;
 	chip->bad_board = false;