redonkable/alistair23-linux
redonkable/alistair23-linux
1
0
Fork 0
Code Releases Activity

ASoC: OMAP: mcbsp, mcpdm, dmic, hdmi: Set dma_data at startup time

Browse source 
Set the dma_data for the stream (snd_soc_dai_set_dma_data) at dai_startup
time so omap-pcm will have access to the needed information regarding to
the DMA channel earlier.
This is needed for the clean dmaengine support.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Tested-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Peter Ujfalusi 2012-09-14 15:05:57 +03:00 committed by Mark Brown
parent f05cc9dac9
commit bcd6da7bfd
4 changed files with 21 additions and 15 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
sound/soc/omap/omap-dmic.c
View file

@ -118,6 +118,7 @@ static int omap_dmic_dai_startup(struct snd_pcm_substream *substream,
mutex_unlock(&dmic->mutex);
snd_soc_dai_set_dma_data(dai, substream, &omap_dmic_dai_dma_params);
return ret;
}
@ -202,6 +203,7 @@ static int omap_dmic_dai_hw_params(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct omap_dmic *dmic = snd_soc_dai_get_drvdata(dai);
struct omap_pcm_dma_data *dma_data;
int channels;
dmic->clk_div = omap_dmic_select_divider(dmic, params_rate(params));
@ -227,8 +229,8 @@ static int omap_dmic_dai_hw_params(struct snd_pcm_substream *substream,
}
/* packet size is threshold * channels */
omap_dmic_dai_dma_params.packet_size = dmic->threshold * channels;
snd_soc_dai_set_dma_data(dai, substream, &omap_dmic_dai_dma_params);
dma_data = snd_soc_dai_get_dma_data(dai, substream);
dma_data->packet_size = dmic->threshold * channels;
return 0;
}

15
sound/soc/omap/omap-hdmi.c
View file

@ -67,6 +67,9 @@ static int omap_hdmi_dai_startup(struct snd_pcm_substream *substream,
dev_err(dai->dev, "audio not supported\n");
return -ENODEV;
}
snd_soc_dai_set_dma_data(dai, substream, &priv->dma_params);
return 0;
}
@ -85,24 +88,24 @@ static int omap_hdmi_dai_hw_params(struct snd_pcm_substream *substream,
struct hdmi_priv *priv = snd_soc_dai_get_drvdata(dai);
struct snd_aes_iec958 *iec = &priv->iec;
struct snd_cea_861_aud_if *cea = &priv->cea;
struct omap_pcm_dma_data *dma_data;
int err = 0;
dma_data = snd_soc_dai_get_dma_data(dai, substream);
switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S16_LE:
priv->dma_params.packet_size = 16;
dma_data->packet_size = 16;
break;
case SNDRV_PCM_FORMAT_S24_LE:
priv->dma_params.packet_size = 32;
dma_data->packet_size = 32;
break;
default:
dev_err(dai->dev, "format not supported!\n");
return -EINVAL;
}
priv->dma_params.data_type = 32;
snd_soc_dai_set_dma_data(dai, substream,
&priv->dma_params);
dma_data->data_type = 32;
/*
* fill the IEC-60958 channel status word

7
sound/soc/omap/omap-mcbsp.c
View file

@ -151,6 +151,9 @@ static int omap_mcbsp_dai_startup(struct snd_pcm_substream *substream,
SNDRV_PCM_HW_PARAM_PERIOD_SIZE, 2);
}
snd_soc_dai_set_dma_data(cpu_dai, substream,
&mcbsp->dma_data[substream->stream]);
return err;
}
@ -228,7 +231,7 @@ static int omap_mcbsp_dai_hw_params(struct snd_pcm_substream *substream,
int pkt_size = 0;
unsigned int format, div, framesize, master;
dma_data = &mcbsp->dma_data[substream->stream];
dma_data = snd_soc_dai_get_dma_data(cpu_dai, substream);
channels = params_channels(params);
switch (params_format(params)) {
@ -277,8 +280,6 @@ static int omap_mcbsp_dai_hw_params(struct snd_pcm_substream *substream,
dma_data->packet_size = pkt_size;
snd_soc_dai_set_dma_data(cpu_dai, substream, dma_data);
if (mcbsp->configured) {
/* McBSP already configured by another stream */
return 0;

8
sound/soc/omap/omap-mcpdm.c
View file

@ -267,9 +267,11 @@ static int omap_mcpdm_dai_startup(struct snd_pcm_substream *substream,
}
omap_mcpdm_open_streams(mcpdm);
}
mutex_unlock(&mcpdm->mutex);
snd_soc_dai_set_dma_data(dai, substream,
&omap_mcpdm_dai_dma_params[substream->stream]);
return 0;
}
@ -324,7 +326,7 @@ static int omap_mcpdm_dai_hw_params(struct snd_pcm_substream *substream,
return -EINVAL;
}
dma_data = &omap_mcpdm_dai_dma_params[stream];
dma_data = snd_soc_dai_get_dma_data(dai, substream);
/* Configure McPDM channels, and DMA packet size */
if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
@ -336,8 +338,6 @@ static int omap_mcpdm_dai_hw_params(struct snd_pcm_substream *substream,
dma_data->packet_size = mcpdm->up_threshold * channels;
}
snd_soc_dai_set_dma_data(dai, substream, dma_data);
return 0;
}