summaryrefslogtreecommitdiff
path: root/sound/soc/ux500/ux500_msp_i2s.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/soc/ux500/ux500_msp_i2s.c')
-rw-r--r--sound/soc/ux500/ux500_msp_i2s.c56
1 files changed, 41 insertions, 15 deletions
diff --git a/sound/soc/ux500/ux500_msp_i2s.c b/sound/soc/ux500/ux500_msp_i2s.c
index 1ca8b08ae993..959d7b4edf56 100644
--- a/sound/soc/ux500/ux500_msp_i2s.c
+++ b/sound/soc/ux500/ux500_msp_i2s.c
@@ -646,6 +646,34 @@ int ux500_msp_i2s_close(struct ux500_msp *msp, unsigned int dir)
}
+static int ux500_msp_i2s_of_init_msp(struct platform_device *pdev,
+ struct ux500_msp *msp,
+ struct msp_i2s_platform_data **platform_data)
+{
+ struct msp_i2s_platform_data *pdata;
+
+ *platform_data = devm_kzalloc(&pdev->dev,
+ sizeof(struct msp_i2s_platform_data),
+ GFP_KERNEL);
+ pdata = *platform_data;
+ if (!pdata)
+ return -ENOMEM;
+
+ msp->playback_dma_data.dma_cfg = devm_kzalloc(&pdev->dev,
+ sizeof(struct stedma40_chan_cfg),
+ GFP_KERNEL);
+ if (!msp->playback_dma_data.dma_cfg)
+ return -ENOMEM;
+
+ msp->capture_dma_data.dma_cfg = devm_kzalloc(&pdev->dev,
+ sizeof(struct stedma40_chan_cfg),
+ GFP_KERNEL);
+ if (!msp->capture_dma_data.dma_cfg)
+ return -ENOMEM;
+
+ return 0;
+}
+
int ux500_msp_i2s_init_msp(struct platform_device *pdev,
struct ux500_msp **msp_p,
struct msp_i2s_platform_data *platform_data)
@@ -653,30 +681,28 @@ int ux500_msp_i2s_init_msp(struct platform_device *pdev,
struct resource *res = NULL;
struct device_node *np = pdev->dev.of_node;
struct ux500_msp *msp;
+ int ret;
*msp_p = devm_kzalloc(&pdev->dev, sizeof(struct ux500_msp), GFP_KERNEL);
msp = *msp_p;
if (!msp)
return -ENOMEM;
- if (np) {
- if (!platform_data) {
- platform_data = devm_kzalloc(&pdev->dev,
- sizeof(struct msp_i2s_platform_data), GFP_KERNEL);
- if (!platform_data)
- return -ENOMEM;
- }
- } else
- if (!platform_data)
+ if (!platform_data) {
+ if (np) {
+ ret = ux500_msp_i2s_of_init_msp(pdev, msp,
+ &platform_data);
+ if (ret)
+ return ret;
+ } else
return -EINVAL;
+ } else {
+ msp->playback_dma_data.dma_cfg = platform_data->msp_i2s_dma_tx;
+ msp->capture_dma_data.dma_cfg = platform_data->msp_i2s_dma_rx;
+ msp->id = platform_data->id;
+ }
- dev_dbg(&pdev->dev, "%s: Enter (name: %s, id: %d).\n", __func__,
- pdev->name, platform_data->id);
-
- msp->id = platform_data->id;
msp->dev = &pdev->dev;
- msp->playback_dma_data.dma_cfg = platform_data->msp_i2s_dma_tx;
- msp->capture_dma_data.dma_cfg = platform_data->msp_i2s_dma_rx;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (res == NULL) {