From e65fedcf39d5fdae597b368e61e7266efb7fa7e1 Mon Sep 17 00:00:00 2001 From: Wallace Wang Date: Wed, 9 Dec 2009 22:30:27 +0800 Subject: ENGR00119150 Bluetooth: Handsfree audio has noise When bluetooth handsfree is enabled, sgtl5000 and bt sound cards are both opened. BT sound card playback can't use IRAM as sgtl5000 has used IRAM. The bt audio platform data - ext_ram is not set when kernel porting to 2.6.31. Signed-off-by: Wallace Wang --- sound/soc/imx/imx-3stack-bt.c | 1 + sound/soc/imx/imx-pcm.c | 18 ++++++++++++------ 2 files changed, 13 insertions(+), 6 deletions(-) diff --git a/sound/soc/imx/imx-3stack-bt.c b/sound/soc/imx/imx-3stack-bt.c index 28d47eeba62d..37ed0993b10e 100644 --- a/sound/soc/imx/imx-3stack-bt.c +++ b/sound/soc/imx/imx-3stack-bt.c @@ -191,6 +191,7 @@ static int __init imx_3stack_bt_probe(struct platform_device *pdev) else bt_cpu_dai = &imx_ssi_dai[2]; + bt_cpu_dai->dev = &pdev->dev; imx_3stack_dai.cpu_dai = bt_cpu_dai; /* Configure audio port */ diff --git a/sound/soc/imx/imx-pcm.c b/sound/soc/imx/imx-pcm.c index bcfc59aefb11..e17d5443cfce 100644 --- a/sound/soc/imx/imx-pcm.c +++ b/sound/soc/imx/imx-pcm.c @@ -542,7 +542,7 @@ imx_pcm_mmap(struct snd_pcm_substream *substream, struct vm_area_struct *vma) struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_device *socdev = rtd->socdev; struct snd_soc_dai *cpu_dai = socdev->card->dai_link->cpu_dai; - struct mxc_audio_platform_data *dev_data = cpu_dai->private_data; + struct mxc_audio_platform_data *dev_data; int ext_ram = 0; int ret = 0; @@ -551,8 +551,10 @@ imx_pcm_mmap(struct snd_pcm_substream *substream, struct vm_area_struct *vma) UseIram, (unsigned int)runtime->dma_addr, runtime->dma_area, runtime->dma_bytes); - if (dev_data) + if (cpu_dai->dev && cpu_dai->dev->platform_data) { + dev_data = cpu_dai->dev->platform_data; ext_ram = dev_data->ext_ram; + } if ((substream->stream == SNDRV_PCM_STREAM_CAPTURE) || ext_ram || !UseIram) { @@ -586,12 +588,14 @@ static int imx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream) struct snd_soc_pcm_runtime *rtd = pcm->private_data; struct snd_soc_device *socdev = rtd->socdev; struct snd_soc_dai *cpu_dai = socdev->card->dai_link->cpu_dai; - struct mxc_audio_platform_data *dev_data = cpu_dai->private_data; + struct mxc_audio_platform_data *dev_data; int ext_ram = 0; size_t size = imx_pcm_hardware.buffer_bytes_max; - if (dev_data) + if (cpu_dai->dev && cpu_dai->dev->platform_data) { + dev_data = cpu_dai->dev->platform_data; ext_ram = dev_data->ext_ram; + } buf->dev.type = SNDRV_DMA_TYPE_DEV; buf->dev.dev = pcm->card->dev; @@ -620,12 +624,14 @@ static void imx_pcm_free_dma_buffers(struct snd_pcm *pcm) struct snd_soc_pcm_runtime *rtd = pcm->private_data; struct snd_soc_device *socdev = rtd->socdev; struct snd_soc_dai *cpu_dai = socdev->card->dai_link->cpu_dai; - struct mxc_audio_platform_data *dev_data = cpu_dai->private_data; + struct mxc_audio_platform_data *dev_data; int ext_ram = 0; int stream; - if (dev_data) + if (cpu_dai->dev && cpu_dai->dev->platform_data) { + dev_data = cpu_dai->dev->platform_data; ext_ram = dev_data->ext_ram; + } for (stream = 0; stream < 2; stream++) { substream = pcm->streams[stream].substream; -- cgit v1.2.3