Commit 83720eef authored by Takashi Iwai's avatar Takashi Iwai
Browse files

ALSA: ens137x: Support PCM sync_stop 

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/20191210063454.31603-18-tiwai@suse.de


Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 66471aa7

sound/pci/ens1370.c

+1 −3
Original line number Diff line number Diff line
@@ -1888,8 +1888,6 @@ static int snd_ensoniq_free(struct ensoniq *ensoniq) 
	outl(0, ES_REG(ensoniq, CONTROL));	/* switch everything off */

	outl(0, ES_REG(ensoniq, SERIAL));	/* clear serial interface */

#endif

	if (ensoniq->irq >= 0)

		synchronize_irq(ensoniq->irq);

	pci_set_power_state(ensoniq->pci, PCI_D3hot);

      __hw_end:

#ifdef CHIP1370
@@ -1990,7 +1988,6 @@ static void snd_ensoniq_chip_init(struct ensoniq *ensoniq) 
	outb(ensoniq->uartc = 0x00, ES_REG(ensoniq, UART_CONTROL));

	outb(0x00, ES_REG(ensoniq, UART_RES));

	outl(ensoniq->cssr, ES_REG(ensoniq, STATUS));

	synchronize_irq(ensoniq->irq);

}



#ifdef CONFIG_PM_SLEEP
@@ -2074,6 +2071,7 @@ static int snd_ensoniq_create(struct snd_card *card, 
		return -EBUSY;

	}

	ensoniq->irq = pci->irq;

	card->sync_irq = ensoniq->irq;

#ifdef CHIP1370

	if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &pci->dev,

				16, &ensoniq->dma_bug) < 0) {

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