[ALSA] sound/pci: remove unused variable
Julia Lawall [Mon, 17 Mar 2008 09:23:35 +0000 (10:23 +0100)]
The variable is_capture is initialized but never used otherwise.

The semantic patch that makes this change is as follows:
(http://www.emn.fr/x-info/coccinelle/)

// <smpl>
@@
type T;
identifier i;
constant C;
@@

(
extern T i;
|
- T i;
  <+... when != i
- i = C;
  ...+>
)
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/pcxhr/pcxhr.c

index 9d5bb76..beed581 100644 (file)
@@ -846,7 +846,6 @@ static int pcxhr_open(struct snd_pcm_substream *subs)
        struct pcxhr_mgr       *mgr = chip->mgr;
        struct snd_pcm_runtime *runtime = subs->runtime;
        struct pcxhr_stream    *stream;
-       int                 is_capture;
 
        mutex_lock(&mgr->setup_mutex);
 
@@ -856,12 +855,10 @@ static int pcxhr_open(struct snd_pcm_substream *subs)
        if( subs->stream == SNDRV_PCM_STREAM_PLAYBACK ) {
                snd_printdd("pcxhr_open playback chip%d subs%d\n",
                            chip->chip_idx, subs->number);
-               is_capture = 0;
                stream = &chip->playback_stream[subs->number];
        } else {
                snd_printdd("pcxhr_open capture chip%d subs%d\n",
                            chip->chip_idx, subs->number);
-               is_capture = 1;
                if (mgr->mono_capture)
                        runtime->hw.channels_max = 1;
                else