diff options
Diffstat (limited to 'sound/isa/gus/gus_irq.c')
| -rw-r--r-- | sound/isa/gus/gus_irq.c | 27 |
1 files changed, 17 insertions, 10 deletions
diff --git a/sound/isa/gus/gus_irq.c b/sound/isa/gus/gus_irq.c index 537d3cfe41f..2055aff71b5 100644 --- a/sound/isa/gus/gus_irq.c +++ b/sound/isa/gus/gus_irq.c @@ -1,6 +1,6 @@ /* * Routine for IRQ handling from GF1/InterWave chip - * Copyright (c) by Jaroslav Kysela <perex@suse.cz> + * Copyright (c) by Jaroslav Kysela <perex@perex.cz> * * * This program is free software; you can redistribute it and/or modify @@ -19,7 +19,6 @@ * */ -#include <sound/driver.h> #include <sound/core.h> #include <sound/info.h> #include <sound/gus.h> @@ -42,14 +41,16 @@ __again: if (status == 0) return IRQ_RETVAL(handled); handled = 1; - // snd_printk("IRQ: status = 0x%x\n", status); + /* snd_printk(KERN_DEBUG "IRQ: status = 0x%x\n", status); */ if (status & 0x02) { STAT_ADD(gus->gf1.interrupt_stat_midi_in); - gus->gf1.interrupt_handler_midi_in(gus); + if (gus->gf1.interrupt_handler_midi_in) + gus->gf1.interrupt_handler_midi_in(gus); } if (status & 0x01) { STAT_ADD(gus->gf1.interrupt_stat_midi_out); - gus->gf1.interrupt_handler_midi_out(gus); + if (gus->gf1.interrupt_handler_midi_out) + gus->gf1.interrupt_handler_midi_out(gus); } if (status & (0x20 | 0x40)) { unsigned int already, _current_; @@ -64,7 +65,9 @@ __again: continue; /* multi request */ already |= _current_; /* mark request */ #if 0 - printk("voice = %i, voice_status = 0x%x, voice_verify = %i\n", voice, voice_status, inb(GUSP(gus, GF1PAGE))); + printk(KERN_DEBUG "voice = %i, voice_status = 0x%x, " + "voice_verify = %i\n", + voice, voice_status, inb(GUSP(gus, GF1PAGE))); #endif pvoice = &gus->gf1.voices[voice]; if (pvoice->use) { @@ -85,20 +88,24 @@ __again: } if (status & 0x04) { STAT_ADD(gus->gf1.interrupt_stat_timer1); - gus->gf1.interrupt_handler_timer1(gus); + if (gus->gf1.interrupt_handler_timer1) + gus->gf1.interrupt_handler_timer1(gus); } if (status & 0x08) { STAT_ADD(gus->gf1.interrupt_stat_timer2); - gus->gf1.interrupt_handler_timer2(gus); + if (gus->gf1.interrupt_handler_timer2) + gus->gf1.interrupt_handler_timer2(gus); } if (status & 0x80) { if (snd_gf1_i_look8(gus, SNDRV_GF1_GB_DRAM_DMA_CONTROL) & 0x40) { STAT_ADD(gus->gf1.interrupt_stat_dma_write); - gus->gf1.interrupt_handler_dma_write(gus); + if (gus->gf1.interrupt_handler_dma_write) + gus->gf1.interrupt_handler_dma_write(gus); } if (snd_gf1_i_look8(gus, SNDRV_GF1_GB_REC_DMA_CONTROL) & 0x40) { STAT_ADD(gus->gf1.interrupt_stat_dma_read); - gus->gf1.interrupt_handler_dma_read(gus); + if (gus->gf1.interrupt_handler_dma_read) + gus->gf1.interrupt_handler_dma_read(gus); } } if (--loop > 0) |