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authorTakashi Iwai <tiwai@suse.de>2017-02-20 21:43:40 +0100
committerTakashi Iwai <tiwai@suse.de>2017-02-20 21:43:40 +0100
commit4e25d30c8ddeae6ad0b68440aacadaacb14f8538 (patch)
tree08fe4ac15aec508b370262ad653c83a91be247b5 /sound/soc/soc-generic-dmaengine-pcm.c
parentd2bb390a2081a36ffe906724d2848d846f2aeb29 (diff)
parent141dee78c40ac2c43aa4ff306688d625e1c731de (diff)
downloadlinux-rt-4e25d30c8ddeae6ad0b68440aacadaacb14f8538.tar.gz
Merge tag 'asoc-v4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Updates for v4.11 Another release that's mainly focused on drivers rather than core changes, highlights include: - A huge batch of updates to the Intel drivers, mainly around DisplayPort and HDMI with some additional board support too. - Channel mapping support for HDMI. - Support for AllWinner A31 and A33, Everest Semiconductor ES8328, Nuvoton NAU8540.
Diffstat (limited to 'sound/soc/soc-generic-dmaengine-pcm.c')
-rw-r--r--sound/soc/soc-generic-dmaengine-pcm.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/sound/soc/soc-generic-dmaengine-pcm.c b/sound/soc/soc-generic-dmaengine-pcm.c
index 17eb14935577..d53786498b61 100644
--- a/sound/soc/soc-generic-dmaengine-pcm.c
+++ b/sound/soc/soc-generic-dmaengine-pcm.c
@@ -263,6 +263,7 @@ static int dmaengine_pcm_new(struct snd_soc_pcm_runtime *rtd)
struct dmaengine_pcm *pcm = soc_platform_to_pcm(rtd->platform);
const struct snd_dmaengine_pcm_config *config = pcm->config;
struct device *dev = rtd->platform->dev;
+ struct snd_dmaengine_dai_dma_data *dma_data;
struct snd_pcm_substream *substream;
size_t prealloc_buffer_size;
size_t max_buffer_size;
@@ -282,6 +283,13 @@ static int dmaengine_pcm_new(struct snd_soc_pcm_runtime *rtd)
if (!substream)
continue;
+ dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
+
+ if (!pcm->chan[i] &&
+ (pcm->flags & SND_DMAENGINE_PCM_FLAG_CUSTOM_CHANNEL_NAME))
+ pcm->chan[i] = dma_request_slave_channel(dev,
+ dma_data->chan_name);
+
if (!pcm->chan[i] && (pcm->flags & SND_DMAENGINE_PCM_FLAG_COMPAT)) {
pcm->chan[i] = dmaengine_pcm_compat_request_channel(rtd,
substream);
@@ -350,7 +358,9 @@ static int dmaengine_pcm_request_chan_of(struct dmaengine_pcm *pcm,
const char *name;
struct dma_chan *chan;
- if ((pcm->flags & SND_DMAENGINE_PCM_FLAG_NO_DT) || !dev->of_node)
+ if ((pcm->flags & (SND_DMAENGINE_PCM_FLAG_NO_DT |
+ SND_DMAENGINE_PCM_FLAG_CUSTOM_CHANNEL_NAME)) ||
+ !dev->of_node)
return 0;
if (config && config->dma_dev) {