ALSA: es18xx: Remove always NULL parameter

snd_es18xx_pcm() takes a pointer to a pointer of a PCM where if this
parameter is provided the newly allocated PCM is stored. All callers pass
NULL though, so remove the parameter. This makes the code a bit cleaner and
shorter.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/isa/es18xx.c b/sound/isa/es18xx.c
index b481bb8..6cc2d2b 100644 (file)
--- a/sound/isa/es18xx.c
+++ b/sound/isa/es18xx.c
@@ -1687,16 +1687,13 @@ static struct snd_pcm_ops snd_es18xx_capture_ops = {
        .pointer =      snd_es18xx_capture_pointer,
 };
 
-static int snd_es18xx_pcm(struct snd_card *card, int device,
-                         struct snd_pcm **rpcm)
+static int snd_es18xx_pcm(struct snd_card *card, int device)
 {
        struct snd_es18xx *chip = card->private_data;
         struct snd_pcm *pcm;
        char str[16];
        int err;
 
-       if (rpcm)
-               *rpcm = NULL;
        sprintf(str, "ES%x", chip->version);
        if (chip->caps & ES18XX_PCM2)
                err = snd_pcm_new(card, str, device, 2, 1, &pcm);
@@ -1722,9 +1719,6 @@ static int snd_es18xx_pcm(struct snd_card *card, int device,
                                              snd_dma_isa_data(),
                                              64*1024,
                                              chip->dma1 > 3 || chip->dma2 > 3 ? 128*1024 : 64*1024);
-
-        if (rpcm)
-               *rpcm = pcm;
        return 0;
 }
 
@@ -2154,7 +2148,7 @@ static int snd_audiodrive_probe(struct snd_card *card, int dev)
                        chip->port,
                        irq[dev], dma1[dev]);
 
-       err = snd_es18xx_pcm(card, 0, NULL);
+       err = snd_es18xx_pcm(card, 0);
        if (err < 0)
                return err;