PCI RME9652 driver code contains lots of 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/pci/rme9652/rme9652.c | 98 +++++++++++++++++++------------------ 1 file changed, 51 insertions(+), 47 deletions(-)
diff --git a/sound/pci/rme9652/rme9652.c b/sound/pci/rme9652/rme9652.c index 7a4d395abcee..f1aad38760d6 100644 --- a/sound/pci/rme9652/rme9652.c +++ b/sound/pci/rme9652/rme9652.c @@ -433,9 +433,9 @@ static int rme9652_set_interrupt_interval(struct snd_rme9652 *s,
spin_lock_irq(&s->lock);
- if ((restart = s->running)) { + restart = s->running; + if (restart) rme9652_stop(s); - }
frames >>= 7; n = 0; @@ -518,16 +518,15 @@ static int rme9652_set_rate(struct snd_rme9652 *rme9652, int rate) return -EBUSY; }
- if ((restart = rme9652->running)) { + restart = rme9652->running; + if (restart) rme9652_stop(rme9652); - } rme9652->control_register &= ~(RME9652_freq | RME9652_DS); rme9652->control_register |= rate; rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
- if (restart) { + if (restart) rme9652_start(rme9652); - }
if (rate & RME9652_DS) { if (rme9652->ss_channels == RME9652_NCHANNELS) { @@ -878,15 +877,14 @@ static int rme9652_set_adat1_input(struct snd_rme9652 *rme9652, int internal)
/* XXX do we actually need to stop the card when we do this ? */
- if ((restart = rme9652->running)) { + restart = rme9652->running; + if (restart) rme9652_stop(rme9652); - }
rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
- if (restart) { + if (restart) rme9652_start(rme9652); - }
return 0; } @@ -943,15 +941,14 @@ static int rme9652_set_spdif_input(struct snd_rme9652 *rme9652, int in) rme9652->control_register &= ~RME9652_inp; rme9652->control_register |= rme9652_encode_spdif_in(in);
- if ((restart = rme9652->running)) { + restart = rme9652->running; + if (restart) rme9652_stop(rme9652); - }
rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
- if (restart) { + if (restart) rme9652_start(rme9652); - }
return 0; } @@ -1010,15 +1007,14 @@ static int rme9652_set_spdif_output(struct snd_rme9652 *rme9652, int out) rme9652->control_register &= ~RME9652_opt_out; }
- if ((restart = rme9652->running)) { + restart = rme9652->running; + if (restart) rme9652_stop(rme9652); - }
rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
- if (restart) { + if (restart) rme9652_start(rme9652); - }
return 0; } @@ -1086,15 +1082,14 @@ static int rme9652_set_sync_mode(struct snd_rme9652 *rme9652, int mode) break; }
- if ((restart = rme9652->running)) { + restart = rme9652->running; + if (restart) rme9652_stop(rme9652); - }
rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
- if (restart) { + if (restart) rme9652_start(rme9652); - }
return 0; } @@ -1173,15 +1168,14 @@ static int rme9652_set_sync_pref(struct snd_rme9652 *rme9652, int pref) break; }
- if ((restart = rme9652->running)) { + restart = rme9652->running; + if (restart) rme9652_stop(rme9652); - }
rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
- if (restart) { + if (restart) rme9652_start(rme9652); - }
return 0; } @@ -1513,19 +1507,27 @@ static int snd_rme9652_create_controls(struct snd_card *card, struct snd_rme9652 struct snd_kcontrol *kctl;
for (idx = 0; idx < ARRAY_SIZE(snd_rme9652_controls); idx++) { - if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_rme9652_controls[idx], rme9652))) < 0) + kctl = snd_ctl_new1(&snd_rme9652_controls[idx], rme9652); + err = snd_ctl_add(card, kctl); + if (err < 0) return err; if (idx == 1) /* IEC958 (S/PDIF) Stream */ rme9652->spdif_ctl = kctl; }
- if (rme9652->ss_channels == RME9652_NCHANNELS) - if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_rme9652_adat3_check, rme9652))) < 0) + if (rme9652->ss_channels == RME9652_NCHANNELS) { + kctl = snd_ctl_new1(&snd_rme9652_adat3_check, rme9652); + err = snd_ctl_add(card, kctl); + if (err < 0) return err; + }
- if (rme9652->hw_rev >= 15) - if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_rme9652_adat1_input, rme9652))) < 0) + if (rme9652->hw_rev >= 15) { + kctl = snd_ctl_new1(&snd_rme9652_adat1_input, rme9652); + err = snd_ctl_add(card, kctl); + if (err < 0) return err; + }
return 0; } @@ -1842,9 +1844,9 @@ static char *rme9652_channel_buffer_location(struct snd_rme9652 *rme9652, if (snd_BUG_ON(channel < 0 || channel >= RME9652_NCHANNELS)) return NULL;
- if ((mapped_channel = rme9652->channel_map[channel]) < 0) { + mapped_channel = rme9652->channel_map[channel]; + if (mapped_channel < 0) return NULL; - } if (stream == SNDRV_PCM_STREAM_CAPTURE) { return rme9652->capture_buffer + @@ -2021,12 +2023,14 @@ static int snd_rme9652_hw_params(struct snd_pcm_substream *substream, /* how to make sure that the rate matches an externally-set one ? */
- if ((err = rme9652_set_rate(rme9652, params_rate(params))) < 0) { + err = rme9652_set_rate(rme9652, params_rate(params)); + if (err < 0) { _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_RATE); return err; }
- if ((err = rme9652_set_interrupt_interval(rme9652, params_period_size(params))) < 0) { + err = rme9652_set_interrupt_interval(rme9652, params_period_size(params)); + if (err < 0) { _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_PERIOD_SIZE); return err; } @@ -2406,11 +2410,9 @@ static int snd_rme9652_create_pcm(struct snd_card *card, struct snd_pcm *pcm; int err;
- if ((err = snd_pcm_new(card, - rme9652->card_name, - 0, 1, 1, &pcm)) < 0) { + err = snd_pcm_new(card, rme9652->card_name, 0, 1, 1, &pcm); + if (err < 0) return err; - }
rme9652->pcm = pcm; pcm->private_data = rme9652; @@ -2450,12 +2452,14 @@ static int snd_rme9652_create(struct snd_card *card, return -ENODEV; }
- if ((err = pci_enable_device(pci)) < 0) + err = pci_enable_device(pci); + if (err < 0) return err;
spin_lock_init(&rme9652->lock);
- if ((err = pci_request_regions(pci, "rme9652")) < 0) + err = pci_request_regions(pci, "rme9652"); + if (err < 0) return err; rme9652->port = pci_resource_start(pci, 0); rme9652->iobase = ioremap(rme9652->port, RME9652_IO_EXTENT); @@ -2528,17 +2532,17 @@ static int snd_rme9652_create(struct snd_card *card,
pci_set_master(rme9652->pci);
- if ((err = snd_rme9652_initialize_memory(rme9652)) < 0) { + err = snd_rme9652_initialize_memory(rme9652); + if (err < 0) return err; - }
- if ((err = snd_rme9652_create_pcm(card, rme9652)) < 0) { + err = snd_rme9652_create_pcm(card, rme9652); + if (err < 0) return err; - }
- if ((err = snd_rme9652_create_controls(card, rme9652)) < 0) { + err = snd_rme9652_create_controls(card, rme9652); + if (err < 0) return err; - }
snd_rme9652_proc_init(rme9652);