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ALSA: ens1370: Remove always NULL parameters

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The various PCM and MIDI allocation functions in this driver take a pointer
to a pointer of a PCM/MIDI object where if this parameter is provided the
newly allocated object is stored. All callers pass NULL though, so remove
the parameter. This makes the code a bit shorter and cleaner.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Lars-Peter Clausen 2015-01-02 12:24:48 +01:00 committed by Takashi Iwai
parent 72134c4d9e
commit 50b8d94e18
1 changed files with 8 additions and 29 deletions
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37
sound/pci/ens1370.c
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@ -1268,14 +1268,11 @@ static const struct snd_pcm_chmap_elem surround_map[] = {
{ }
};
static int snd_ensoniq_pcm(struct ensoniq *ensoniq, int device,
struct snd_pcm **rpcm)
static int snd_ensoniq_pcm(struct ensoniq *ensoniq, int device)
{
struct snd_pcm *pcm;
int err;
if (rpcm)
*rpcm = NULL;
err = snd_pcm_new(ensoniq->card, CHIP_NAME "/1", device, 1, 1, &pcm);
if (err < 0)
return err;
@ -1302,22 +1299,14 @@ static int snd_ensoniq_pcm(struct ensoniq *ensoniq, int device,
err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
snd_pcm_std_chmaps, 2, 0, NULL);
#endif
if (err < 0)
return err;
if (rpcm)
*rpcm = pcm;
return 0;
return err;
}
static int snd_ensoniq_pcm2(struct ensoniq *ensoniq, int device,
struct snd_pcm **rpcm)
static int snd_ensoniq_pcm2(struct ensoniq *ensoniq, int device)
{
struct snd_pcm *pcm;
int err;
if (rpcm)
*rpcm = NULL;
err = snd_pcm_new(ensoniq->card, CHIP_NAME "/2", device, 1, 0, &pcm);
if (err < 0)
return err;
@ -1342,12 +1331,7 @@ static int snd_ensoniq_pcm2(struct ensoniq *ensoniq, int device,
err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
surround_map, 2, 0, NULL);
#endif
if (err < 0)
return err;
if (rpcm)
*rpcm = pcm;
return 0;
return err;
}
/*
@ -2362,14 +2346,11 @@ static struct snd_rawmidi_ops snd_ensoniq_midi_input =
.trigger = snd_ensoniq_midi_input_trigger,
};
static int snd_ensoniq_midi(struct ensoniq *ensoniq, int device,
struct snd_rawmidi **rrawmidi)
static int snd_ensoniq_midi(struct ensoniq *ensoniq, int device)
{
struct snd_rawmidi *rmidi;
int err;
if (rrawmidi)
*rrawmidi = NULL;
if ((err = snd_rawmidi_new(ensoniq->card, "ES1370/1", device, 1, 1, &rmidi)) < 0)
return err;
strcpy(rmidi->name, CHIP_NAME);
@ -2379,8 +2360,6 @@ static int snd_ensoniq_midi(struct ensoniq *ensoniq, int device,
SNDRV_RAWMIDI_INFO_DUPLEX;
rmidi->private_data = ensoniq;
ensoniq->rmidi = rmidi;
if (rrawmidi)
*rrawmidi = rmidi;
return 0;
}
@ -2462,15 +2441,15 @@ static int snd_audiopci_probe(struct pci_dev *pci,
return err;
}
#endif
if ((err = snd_ensoniq_pcm(ensoniq, 0, NULL)) < 0) {
if ((err = snd_ensoniq_pcm(ensoniq, 0)) < 0) {
snd_card_free(card);
return err;
}
if ((err = snd_ensoniq_pcm2(ensoniq, 1, NULL)) < 0) {
if ((err = snd_ensoniq_pcm2(ensoniq, 1)) < 0) {
snd_card_free(card);
return err;
}
if ((err = snd_ensoniq_midi(ensoniq, 0, NULL)) < 0) {
if ((err = snd_ensoniq_midi(ensoniq, 0)) < 0) {
snd_card_free(card);
return err;
}