sound: seq_timer: simplify snd_seq_timer_set_tick_resolution() parameters
Clemens Ladisch [Mon, 18 Jan 2010 14:40:56 +0000 (15:40 +0100)]
As snd_seq_timer_set_tick_resolution() is always called with the same
three fields of struct snd_seq_timer, it suffices to give that as the
only parameter.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

sound/core/seq/seq_timer.c

index f745c31..160b1bd 100644 (file)
 
 #define SKEW_BASE      0x10000 /* 16bit shift */
 
-static void snd_seq_timer_set_tick_resolution(struct snd_seq_timer_tick *tick,
-                                             int tempo, int ppq)
+static void snd_seq_timer_set_tick_resolution(struct snd_seq_timer *tmr)
 {
-       if (tempo < 1000000)
-               tick->resolution = (tempo * 1000) / ppq;
+       if (tmr->tempo < 1000000)
+               tmr->tick.resolution = (tmr->tempo * 1000) / tmr->ppq;
        else {
                /* might overflow.. */
                unsigned int s;
-               s = tempo % ppq;
-               s = (s * 1000) / ppq;
-               tick->resolution = (tempo / ppq) * 1000;
-               tick->resolution += s;
+               s = tmr->tempo % tmr->ppq;
+               s = (s * 1000) / tmr->ppq;
+               tmr->tick.resolution = (tmr->tempo / tmr->ppq) * 1000;
+               tmr->tick.resolution += s;
        }
-       if (tick->resolution <= 0)
-               tick->resolution = 1;
-       snd_seq_timer_update_tick(tick, 0);
+       if (tmr->tick.resolution <= 0)
+               tmr->tick.resolution = 1;
+       snd_seq_timer_update_tick(&tmr->tick, 0);
 }
 
 /* create new timer (constructor) */
@@ -96,7 +95,7 @@ void snd_seq_timer_defaults(struct snd_seq_timer * tmr)
        /* setup defaults */
        tmr->ppq = 96;          /* 96 PPQ */
        tmr->tempo = 500000;    /* 120 BPM */
-       snd_seq_timer_set_tick_resolution(&tmr->tick, tmr->tempo, tmr->ppq);
+       snd_seq_timer_set_tick_resolution(tmr);
        tmr->running = 0;
 
        tmr->type = SNDRV_SEQ_TIMER_ALSA;
@@ -180,7 +179,7 @@ int snd_seq_timer_set_tempo(struct snd_seq_timer * tmr, int tempo)
        spin_lock_irqsave(&tmr->lock, flags);
        if ((unsigned int)tempo != tmr->tempo) {
                tmr->tempo = tempo;
-               snd_seq_timer_set_tick_resolution(&tmr->tick, tmr->tempo, tmr->ppq);
+               snd_seq_timer_set_tick_resolution(tmr);
        }
        spin_unlock_irqrestore(&tmr->lock, flags);
        return 0;
@@ -205,7 +204,7 @@ int snd_seq_timer_set_ppq(struct snd_seq_timer * tmr, int ppq)
        }
 
        tmr->ppq = ppq;
-       snd_seq_timer_set_tick_resolution(&tmr->tick, tmr->tempo, tmr->ppq);
+       snd_seq_timer_set_tick_resolution(tmr);
        spin_unlock_irqrestore(&tmr->lock, flags);
        return 0;
 }