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ALSA: es1968: Support PCM sync_stop

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The driver invokes snd_pcm_period_elapsed() simply from the interrupt
handler.  Set card->sync_irq for enabling the missing sync_stop PCM
operation, as well as removing the superfluous synchronize_irq()
call.

Link: https://lore.kernel.org/r/20191210063454.31603-20-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2019-12-10 07:34:18 +01:00
parent 6b276e6281
commit dbb71ab05f
1 changed files with 1 additions and 2 deletions
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3
sound/pci/es1968.c
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@ -2602,8 +2602,6 @@ static int snd_es1968_free(struct es1968 *chip)
#endif
if (chip->io_port) {
if (chip->irq >= 0)
synchronize_irq(chip->irq);
outw(1, chip->io_port + 0x04); /* clear WP interrupts */
outw(0, chip->io_port + ESM_PORT_HOST_IRQ); /* disable IRQ */
}
@ -2712,6 +2710,7 @@ static int snd_es1968_create(struct snd_card *card,
return -EBUSY;
}
chip->irq = pci->irq;
card->sync_irq = chip->irq;
/* Clear Maestro_map */
for (i = 0; i < 32; i++)