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| author | Takashi Iwai <tiwai@suse.de> | 2009-02-23 08:17:28 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2009-02-23 08:17:28 +0100 |
| commit | 66a101dda6b26ee566aa9cadcbea904a41d2b268 (patch) | |
| tree | e03b5d40b7b88bb0a2f432bceba4680086d6d3a1 /sound/oss/dmasound/dmasound_q40.c | |
| parent | b1a0aac05f044e78a589bfd7a9e2334aa640eb45 (diff) | |
| parent | 28b7e343ee63454d563a71d2d5f769fc297fd5ad (diff) | |
Merge branch 'topic/hwdep-cleanup' into topic/hdsp
Diffstat (limited to 'sound/oss/dmasound/dmasound_q40.c')
| -rw-r--r-- | sound/oss/dmasound/dmasound_q40.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/sound/oss/dmasound/dmasound_q40.c b/sound/oss/dmasound/dmasound_q40.c index 1855b14d90c3..99bcb21c2281 100644 --- a/sound/oss/dmasound/dmasound_q40.c +++ b/sound/oss/dmasound/dmasound_q40.c @@ -371,8 +371,9 @@ static void Q40Free(void *ptr, unsigned int size) static int __init Q40IrqInit(void) { /* Register interrupt handler. */ - request_irq(Q40_IRQ_SAMPLE, Q40StereoInterrupt, 0, - "DMA sound", Q40Interrupt); + if (request_irq(Q40_IRQ_SAMPLE, Q40StereoInterrupt, 0, + "DMA sound", Q40Interrupt)) + return 0; return(1); } @@ -401,6 +402,7 @@ static void Q40PlayNextFrame(int index) u_char *start; u_long size; u_char speed; + int error; /* used by Q40Play() if all doubts whether there really is something * to be played are already wiped out. @@ -419,11 +421,13 @@ static void Q40PlayNextFrame(int index) master_outb( 0,SAMPLE_ENABLE_REG); free_irq(Q40_IRQ_SAMPLE, Q40Interrupt); if (dmasound.soft.stereo) - request_irq(Q40_IRQ_SAMPLE, Q40StereoInterrupt, 0, - "Q40 sound", Q40Interrupt); + error = request_irq(Q40_IRQ_SAMPLE, Q40StereoInterrupt, 0, + "Q40 sound", Q40Interrupt); else - request_irq(Q40_IRQ_SAMPLE, Q40MonoInterrupt, 0, - "Q40 sound", Q40Interrupt); + error = request_irq(Q40_IRQ_SAMPLE, Q40MonoInterrupt, 0, + "Q40 sound", Q40Interrupt); + if (error && printk_ratelimit()) + pr_err("Couldn't register sound interrupt\n"); master_outb( speed, SAMPLE_RATE_REG); master_outb( 1,SAMPLE_CLEAR_REG); |