23  * - The driver use dma2 for playback and dma1 for capture.
91 	int dma2;			/* DMA2 */  member
476         snd_dma_program(chip->dma2, runtime->dma_addr, size, DMA_MODE_WRITE | DMA_AUTOINIT);  in snd_es18xx_playback1_prepare()
492 		if (chip->dma2 >= 4)  in snd_es18xx_playback1_trigger()
791 		pos = snd_dma_pointer(chip->dma2, size);  in snd_es18xx_playback_pointer()
1397 		snd_es18xx_config_write(chip, 0x75, chip->dma2);  in snd_es18xx_initialize()
1444 		switch (chip->dma2) {  in snd_es18xx_initialize()
1458 			dev_err(chip->card->dev, "invalid dma2 %d\n", chip->dma2);  in snd_es18xx_initialize()
1632 	if (chip->dma1 == chip->dma2)  in snd_es18xx_probe()
1686 				       chip->dma1 > 3 || chip->dma2 > 3 ? 128*1024 : 64*1024);  in snd_es18xx_pcm()
1723 				 int irq, int dma1, int dma2)  in snd_es18xx_new_device()  argument
1733         chip->dma2 = -1;  in snd_es18xx_new_device()
1756 	if (dma2 != dma1 &&  in snd_es18xx_new_device()
1757 	    snd_devm_request_dma(card->dev, dma2, "ES18xx DMA 2")) {  in snd_es18xx_new_device()
1758 		dev_err(card->dev, "unable to grap DMA2 %d\n", dma2);  in snd_es18xx_new_device()
1761 	chip->dma2 = dma2;  in snd_es18xx_new_device()
1915 static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 0,1,3 */  variable
1937 module_param_hw_array(dma2, int, dma, NULL, 0444);
1938 MODULE_PARM_DESC(dma2, "DMA 2 # for ES18xx driver.");
1974 	dma2[dev] = pnp_dma(pdev, 1);  in snd_audiodrive_pnp_init_main()
1980 		"PnP ES18xx: dma1=%i, dma2=%i, irq=%i\n",  in snd_audiodrive_pnp_init_main()
1981 		dma1[dev], dma2[dev], irq[dev]);  in snd_audiodrive_pnp_init_main()
2063 				    irq[dev], dma1[dev], dma2[dev]);  in snd_audiodrive_probe()
2070 	if (dma1[dev] != dma2[dev])  in snd_audiodrive_probe()
2071 		sprintf(card->longname, "%s at 0x%lx, irq %d, dma1 %d, dma2 %d",  in snd_audiodrive_probe()
2074 			irq[dev], dma1[dev], dma2[dev]);  in snd_audiodrive_probe()
2153 	if (dma2[dev] == SNDRV_AUTO_DMA) {  in snd_es18xx_isa_probe()
2154 		dma2[dev] = snd_legacy_find_free_dma(possible_dmas);  in snd_es18xx_isa_probe()
2155 		if (dma2[dev] < 0) {  in snd_es18xx_isa_probe()
2156 			dev_err(pdev, "unable to find a free DMA2\n");  in snd_es18xx_isa_probe()