PPC powermac driver code contains 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.
Signed-off-by: Takashi Iwai tiwai@suse.de --- sound/ppc/beep.c | 5 ++- sound/ppc/daca.c | 24 ++++++++++----- sound/ppc/keywest.c | 6 ++-- sound/ppc/pmac.c | 6 ++-- sound/ppc/powermac.c | 21 ++++++++----- sound/ppc/tumbler.c | 72 +++++++++++++++++++++++++++++--------------- 6 files changed, 89 insertions(+), 45 deletions(-)
diff --git a/sound/ppc/beep.c b/sound/ppc/beep.c index 6bc586a5db0f..0f4bce1c0d4f 100644 --- a/sound/ppc/beep.c +++ b/sound/ppc/beep.c @@ -105,7 +105,10 @@ static int snd_pmac_beep_event(struct input_dev *dev, unsigned int type, }
chip = input_get_drvdata(dev); - if (! chip || (beep = chip->beep) == NULL) + if (!chip) + return -1; + beep = chip->beep; + if (!beep) return -1;
if (! hz) { diff --git a/sound/ppc/daca.c b/sound/ppc/daca.c index 1eb698dafd93..4da9278dd58a 100644 --- a/sound/ppc/daca.c +++ b/sound/ppc/daca.c @@ -84,7 +84,8 @@ static int daca_get_deemphasis(struct snd_kcontrol *kcontrol, { struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); struct pmac_daca *mix; - if (! (mix = chip->mixer_data)) + mix = chip->mixer_data; + if (!mix) return -ENODEV; ucontrol->value.integer.value[0] = mix->deemphasis ? 1 : 0; return 0; @@ -97,7 +98,8 @@ static int daca_put_deemphasis(struct snd_kcontrol *kcontrol, struct pmac_daca *mix; int change;
- if (! (mix = chip->mixer_data)) + mix = chip->mixer_data; + if (!mix) return -ENODEV; change = mix->deemphasis != ucontrol->value.integer.value[0]; if (change) { @@ -123,7 +125,8 @@ static int daca_get_volume(struct snd_kcontrol *kcontrol, { struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); struct pmac_daca *mix; - if (! (mix = chip->mixer_data)) + mix = chip->mixer_data; + if (!mix) return -ENODEV; ucontrol->value.integer.value[0] = mix->left_vol; ucontrol->value.integer.value[1] = mix->right_vol; @@ -138,7 +141,8 @@ static int daca_put_volume(struct snd_kcontrol *kcontrol, unsigned int vol[2]; int change;
- if (! (mix = chip->mixer_data)) + mix = chip->mixer_data; + if (!mix) return -ENODEV; vol[0] = ucontrol->value.integer.value[0]; vol[1] = ucontrol->value.integer.value[1]; @@ -162,7 +166,8 @@ static int daca_get_amp(struct snd_kcontrol *kcontrol, { struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); struct pmac_daca *mix; - if (! (mix = chip->mixer_data)) + mix = chip->mixer_data; + if (!mix) return -ENODEV; ucontrol->value.integer.value[0] = mix->amp_on ? 1 : 0; return 0; @@ -175,7 +180,8 @@ static int daca_put_amp(struct snd_kcontrol *kcontrol, struct pmac_daca *mix; int change;
- if (! (mix = chip->mixer_data)) + mix = chip->mixer_data; + if (!mix) return -ENODEV; change = mix->amp_on != ucontrol->value.integer.value[0]; if (change) { @@ -248,7 +254,8 @@ int snd_pmac_daca_init(struct snd_pmac *chip) mix->i2c.addr = DACA_I2C_ADDR; mix->i2c.init_client = daca_init_client; mix->i2c.name = "DACA"; - if ((err = snd_pmac_keywest_init(&mix->i2c)) < 0) + err = snd_pmac_keywest_init(&mix->i2c); + if (err < 0) return err;
/* @@ -257,7 +264,8 @@ int snd_pmac_daca_init(struct snd_pmac *chip) strcpy(chip->card->mixername, "PowerMac DACA");
for (i = 0; i < ARRAY_SIZE(daca_mixers); i++) { - if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&daca_mixers[i], chip))) < 0) + err = snd_ctl_add(chip->card, snd_ctl_new1(&daca_mixers[i], chip)); + if (err < 0) return err; }
diff --git a/sound/ppc/keywest.c b/sound/ppc/keywest.c index a8915100d6bb..6e5daae18f9d 100644 --- a/sound/ppc/keywest.c +++ b/sound/ppc/keywest.c @@ -114,7 +114,8 @@ int snd_pmac_tumbler_post_init(void) if (!keywest_ctx || !keywest_ctx->client) return -ENXIO;
- if ((err = keywest_ctx->init_client(keywest_ctx)) < 0) { + err = keywest_ctx->init_client(keywest_ctx); + if (err < 0) { snd_printk(KERN_ERR "tumbler: %i :cannot initialize the MCS\n", err); return err; } @@ -136,7 +137,8 @@ int snd_pmac_keywest_init(struct pmac_keywest *i2c)
keywest_ctx = i2c;
- if ((err = i2c_add_driver(&keywest_driver))) { + err = i2c_add_driver(&keywest_driver); + if (err) { snd_printk(KERN_ERR "cannot register keywest i2c driver\n"); i2c_put_adapter(adap); return err; diff --git a/sound/ppc/pmac.c b/sound/ppc/pmac.c index 2e750b317be1..84058bbf9d12 100644 --- a/sound/ppc/pmac.c +++ b/sound/ppc/pmac.c @@ -1160,7 +1160,8 @@ int snd_pmac_new(struct snd_card *card, struct snd_pmac **chip_return) chip->playback.stream = SNDRV_PCM_STREAM_PLAYBACK; chip->capture.stream = SNDRV_PCM_STREAM_CAPTURE;
- if ((err = snd_pmac_detect(chip)) < 0) + err = snd_pmac_detect(chip); + if (err < 0) goto __error;
if (snd_pmac_dbdma_alloc(chip, &chip->playback.cmd, PMAC_MAX_FRAGS + 1) < 0 || @@ -1299,7 +1300,8 @@ int snd_pmac_new(struct snd_card *card, struct snd_pmac **chip_return) /* Reset dbdma channels */ snd_pmac_dbdma_reset(chip);
- if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) + err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); + if (err < 0) goto __error;
*chip_return = chip; diff --git a/sound/ppc/powermac.c b/sound/ppc/powermac.c index 9fb51ebafde1..1d2865c43d4b 100644 --- a/sound/ppc/powermac.c +++ b/sound/ppc/powermac.c @@ -48,7 +48,8 @@ static int snd_pmac_probe(struct platform_device *devptr) if (err < 0) return err;
- if ((err = snd_pmac_new(card, &chip)) < 0) + err = snd_pmac_new(card, &chip); + if (err < 0) goto __error; card->private_data = chip;
@@ -58,7 +59,8 @@ static int snd_pmac_probe(struct platform_device *devptr) strcpy(card->shortname, "PowerMac Burgundy"); sprintf(card->longname, "%s (Dev %d) Sub-frame %d", card->shortname, chip->device_id, chip->subframe); - if ((err = snd_pmac_burgundy_init(chip)) < 0) + err = snd_pmac_burgundy_init(chip); + if (err < 0) goto __error; break; case PMAC_DACA: @@ -66,7 +68,8 @@ static int snd_pmac_probe(struct platform_device *devptr) strcpy(card->shortname, "PowerMac DACA"); sprintf(card->longname, "%s (Dev %d) Sub-frame %d", card->shortname, chip->device_id, chip->subframe); - if ((err = snd_pmac_daca_init(chip)) < 0) + err = snd_pmac_daca_init(chip); + if (err < 0) goto __error; break; case PMAC_TUMBLER: @@ -92,7 +95,8 @@ static int snd_pmac_probe(struct platform_device *devptr) name_ext = ""; sprintf(card->longname, "%s%s Rev %d", card->shortname, name_ext, chip->revision); - if ((err = snd_pmac_awacs_init(chip)) < 0) + err = snd_pmac_awacs_init(chip); + if (err < 0) goto __error; break; default: @@ -101,14 +105,16 @@ static int snd_pmac_probe(struct platform_device *devptr) goto __error; }
- if ((err = snd_pmac_pcm_new(chip)) < 0) + err = snd_pmac_pcm_new(chip); + if (err < 0) goto __error;
chip->initialized = 1; if (enable_beep) snd_pmac_attach_beep(chip);
- if ((err = snd_card_register(card)) < 0) + err = snd_card_register(card); + if (err < 0) goto __error;
platform_set_drvdata(devptr, card); @@ -162,7 +168,8 @@ static int __init alsa_card_pmac_init(void) { int err;
- if ((err = platform_driver_register(&snd_pmac_driver)) < 0) + err = platform_driver_register(&snd_pmac_driver); + if (err < 0) return err; device = platform_device_register_simple(SND_PMAC_DRIVER, -1, NULL, 0); return 0; diff --git a/sound/ppc/tumbler.c b/sound/ppc/tumbler.c index 6e5bdaa262b0..c65e74d7cd0a 100644 --- a/sound/ppc/tumbler.c +++ b/sound/ppc/tumbler.c @@ -402,7 +402,8 @@ static int tumbler_get_drc_value(struct snd_kcontrol *kcontrol, { struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); struct pmac_tumbler *mix; - if (! (mix = chip->mixer_data)) + mix = chip->mixer_data; + if (!mix) return -ENODEV; ucontrol->value.integer.value[0] = mix->drc_range; return 0; @@ -416,7 +417,8 @@ static int tumbler_put_drc_value(struct snd_kcontrol *kcontrol, unsigned int val; int change;
- if (! (mix = chip->mixer_data)) + mix = chip->mixer_data; + if (!mix) return -ENODEV; val = ucontrol->value.integer.value[0]; if (chip->model == PMAC_TUMBLER) { @@ -442,7 +444,8 @@ static int tumbler_get_drc_switch(struct snd_kcontrol *kcontrol, { struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); struct pmac_tumbler *mix; - if (! (mix = chip->mixer_data)) + mix = chip->mixer_data; + if (!mix) return -ENODEV; ucontrol->value.integer.value[0] = mix->drc_enable; return 0; @@ -455,7 +458,8 @@ static int tumbler_put_drc_switch(struct snd_kcontrol *kcontrol, struct pmac_tumbler *mix; int change;
- if (! (mix = chip->mixer_data)) + mix = chip->mixer_data; + if (!mix) return -ENODEV; change = mix->drc_enable != ucontrol->value.integer.value[0]; if (change) { @@ -524,7 +528,8 @@ static int tumbler_get_mono(struct snd_kcontrol *kcontrol, struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value; struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); struct pmac_tumbler *mix; - if (! (mix = chip->mixer_data)) + mix = chip->mixer_data; + if (!mix) return -ENODEV; ucontrol->value.integer.value[0] = mix->mono_vol[info->index]; return 0; @@ -539,7 +544,8 @@ static int tumbler_put_mono(struct snd_kcontrol *kcontrol, unsigned int vol; int change;
- if (! (mix = chip->mixer_data)) + mix = chip->mixer_data; + if (!mix) return -ENODEV; vol = ucontrol->value.integer.value[0]; if (vol >= info->max) @@ -669,7 +675,8 @@ static int snapper_get_mix(struct snd_kcontrol *kcontrol, int idx = (int)kcontrol->private_value; struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); struct pmac_tumbler *mix; - if (! (mix = chip->mixer_data)) + mix = chip->mixer_data; + if (!mix) return -ENODEV; ucontrol->value.integer.value[0] = mix->mix_vol[idx][0]; ucontrol->value.integer.value[1] = mix->mix_vol[idx][1]; @@ -685,7 +692,8 @@ static int snapper_put_mix(struct snd_kcontrol *kcontrol, unsigned int vol[2]; int change;
- if (! (mix = chip->mixer_data)) + mix = chip->mixer_data; + if (!mix) return -ENODEV; vol[0] = ucontrol->value.integer.value[0]; vol[1] = ucontrol->value.integer.value[1]; @@ -716,7 +724,8 @@ static int tumbler_get_mute_switch(struct snd_kcontrol *kcontrol, struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); struct pmac_tumbler *mix; struct pmac_gpio *gp; - if (! (mix = chip->mixer_data)) + mix = chip->mixer_data; + if (!mix) return -ENODEV; switch(kcontrol->private_value) { case TUMBLER_MUTE_HP: @@ -745,7 +754,8 @@ static int tumbler_put_mute_switch(struct snd_kcontrol *kcontrol, if (chip->update_automute && chip->auto_mute) return 0; /* don't touch in the auto-mute mode */ #endif - if (! (mix = chip->mixer_data)) + mix = chip->mixer_data; + if (!mix) return -ENODEV; switch(kcontrol->private_value) { case TUMBLER_MUTE_HP: @@ -1361,7 +1371,8 @@ int snd_pmac_tumbler_init(struct snd_pmac *chip) break; } } - if ((err = tumbler_init(chip)) < 0) + err = tumbler_init(chip); + if (err < 0) return err;
/* set up TAS */ @@ -1392,7 +1403,8 @@ int snd_pmac_tumbler_init(struct snd_pmac *chip) chipname = "Snapper"; }
- if ((err = snd_pmac_keywest_init(&mix->i2c)) < 0) + err = snd_pmac_keywest_init(&mix->i2c); + if (err < 0) return err;
/* @@ -1402,28 +1414,34 @@ int snd_pmac_tumbler_init(struct snd_pmac *chip)
if (chip->model == PMAC_TUMBLER) { for (i = 0; i < ARRAY_SIZE(tumbler_mixers); i++) { - if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&tumbler_mixers[i], chip))) < 0) + err = snd_ctl_add(chip->card, snd_ctl_new1(&tumbler_mixers[i], chip)); + if (err < 0) return err; } } else { for (i = 0; i < ARRAY_SIZE(snapper_mixers); i++) { - if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snapper_mixers[i], chip))) < 0) + err = snd_ctl_add(chip->card, snd_ctl_new1(&snapper_mixers[i], chip)); + if (err < 0) return err; } } chip->master_sw_ctl = snd_ctl_new1(&tumbler_hp_sw, chip); - if ((err = snd_ctl_add(chip->card, chip->master_sw_ctl)) < 0) + err = snd_ctl_add(chip->card, chip->master_sw_ctl); + if (err < 0) return err; chip->speaker_sw_ctl = snd_ctl_new1(&tumbler_speaker_sw, chip); - if ((err = snd_ctl_add(chip->card, chip->speaker_sw_ctl)) < 0) + err = snd_ctl_add(chip->card, chip->speaker_sw_ctl); + if (err < 0) return err; if (mix->line_mute.addr != 0) { chip->lineout_sw_ctl = snd_ctl_new1(&tumbler_lineout_sw, chip); - if ((err = snd_ctl_add(chip->card, chip->lineout_sw_ctl)) < 0) + err = snd_ctl_add(chip->card, chip->lineout_sw_ctl); + if (err < 0) return err; } chip->drc_sw_ctl = snd_ctl_new1(&tumbler_drc_sw, chip); - if ((err = snd_ctl_add(chip->card, chip->drc_sw_ctl)) < 0) + err = snd_ctl_add(chip->card, chip->drc_sw_ctl); + if (err < 0) return err;
/* set initial DRC range to 60% */ @@ -1446,9 +1464,11 @@ int snd_pmac_tumbler_init(struct snd_pmac *chip) device_change_chip = chip;
#ifdef PMAC_SUPPORT_AUTOMUTE - if ((mix->headphone_irq >=0 || mix->lineout_irq >= 0) - && (err = snd_pmac_add_automute(chip)) < 0) - return err; + if (mix->headphone_irq >= 0 || mix->lineout_irq >= 0) { + err = snd_pmac_add_automute(chip); + if (err < 0) + return err; + } chip->detect_headphone = tumbler_detect_headphone; chip->update_automute = tumbler_update_automute; tumbler_update_automute(chip, 0); /* update the status only */ @@ -1456,8 +1476,9 @@ int snd_pmac_tumbler_init(struct snd_pmac *chip) /* activate headphone status interrupts */ if (mix->headphone_irq >= 0) { unsigned char val; - if ((err = request_irq(mix->headphone_irq, headphone_intr, 0, - "Sound Headphone Detection", chip)) < 0) + err = request_irq(mix->headphone_irq, headphone_intr, 0, + "Sound Headphone Detection", chip); + if (err < 0) return 0; /* activate headphone status interrupts */ val = do_gpio_read(&mix->hp_detect); @@ -1465,8 +1486,9 @@ int snd_pmac_tumbler_init(struct snd_pmac *chip) } if (mix->lineout_irq >= 0) { unsigned char val; - if ((err = request_irq(mix->lineout_irq, headphone_intr, 0, - "Sound Lineout Detection", chip)) < 0) + err = request_irq(mix->lineout_irq, headphone_intr, 0, + "Sound Lineout Detection", chip); + if (err < 0) return 0; /* activate headphone status interrupts */ val = do_gpio_read(&mix->line_detect);