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Commit 9d37484c authored by Arun KS's avatar Arun KS Committed by Takashi Iwai
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ALSA: ASoC: Add destination and source port for DMA on OMAP1 



Adds destination and source port for dma in platform driver as
required by OMAP1

Signed-off-by: default avatarArun KS <arunks@mistralsolutions.com>
Acked-by: default avatarJarkko Nikula <jarkko.nikula@nokia.com>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent f9d1ab39

sound/soc/omap/omap-pcm.c

+3 −1
Original line number Original line Diff line number Diff line
@@ -97,7 +97,7 @@ static int omap_pcm_hw_params(struct snd_pcm_substream *substream, 
	prtd->dma_data = dma_data;

	prtd->dma_data = dma_data;

	err = omap_request_dma(dma_data->dma_req, dma_data->name,

	err = omap_request_dma(dma_data->dma_req, dma_data->name,

			       omap_pcm_dma_irq, substream, &prtd->dma_ch);

			       omap_pcm_dma_irq, substream, &prtd->dma_ch);

	if (!cpu_is_omap1510()) {

	if (!err & !cpu_is_omap1510()) {

		/*

		/*

		 * Link channel with itself so DMA doesn't need any

		 * Link channel with itself so DMA doesn't need any

		 * reprogramming while looping the buffer

		 * reprogramming while looping the buffer
@@ -147,12 +147,14 @@ static int omap_pcm_prepare(struct snd_pcm_substream *substream) 
		dma_params.src_or_dst_synch	= OMAP_DMA_DST_SYNC;

		dma_params.src_or_dst_synch	= OMAP_DMA_DST_SYNC;

		dma_params.src_start		= runtime->dma_addr;

		dma_params.src_start		= runtime->dma_addr;

		dma_params.dst_start		= dma_data->port_addr;

		dma_params.dst_start		= dma_data->port_addr;

		dma_params.dst_port		= OMAP_DMA_PORT_MPUI;

	} else {

	} else {

		dma_params.src_amode		= OMAP_DMA_AMODE_CONSTANT;

		dma_params.src_amode		= OMAP_DMA_AMODE_CONSTANT;

		dma_params.dst_amode		= OMAP_DMA_AMODE_POST_INC;

		dma_params.dst_amode		= OMAP_DMA_AMODE_POST_INC;

		dma_params.src_or_dst_synch	= OMAP_DMA_SRC_SYNC;

		dma_params.src_or_dst_synch	= OMAP_DMA_SRC_SYNC;

		dma_params.src_start		= dma_data->port_addr;

		dma_params.src_start		= dma_data->port_addr;

		dma_params.dst_start		= runtime->dma_addr;

		dma_params.dst_start		= runtime->dma_addr;

		dma_params.src_port		= OMAP_DMA_PORT_MPUI;

	}

	}

	/*

	/*

	 * Set DMA transfer frame size equal to ALSA period size and frame

	 * Set DMA transfer frame size equal to ALSA period size and frame