UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

ASoC: mediatek: mt8188: add memory-region support 

In certain projects, it is necessary to utilize the reserved memory
region for audio dma. The patch takes into account the dts property
'memory-region', allowing for the specification of memory for afe memif
through device tree.

Signed-off-by: Trevor Wu <trevor.wu@mediatek.com>
Link: https://lore.kernel.org/r/20230629074348.21670-2-trevor.wu@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Trevor Wu 2023-06-29 15:43:47 +08:00 committed by Mark Brown
parent 3d74f42c56
commit fd99652350
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 6 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
sound/soc/mediatek/mt8188/mt8188-afe-pcm.c
View File

@ -16,6 +16,7 @@
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_platform.h>
#include <linux/of_reserved_mem.h>
#include <linux/pm_runtime.h>
#include <linux/soc/mediatek/infracfg.h>
#include <linux/reset.h>
@ -3193,11 +3194,15 @@ static int mt8188_afe_pcm_dev_probe(struct platform_device *pdev)
{
struct mtk_base_afe *afe;
struct mt8188_afe_private *afe_priv;
struct device *dev;
struct device *dev = &pdev->dev;
struct reset_control *rstc;
struct regmap *infra_ao;
int i, irq_id, ret;
ret = of_reserved_mem_device_init(dev);
if (ret)
dev_dbg(dev, "failed to assign memory region: %d\n", ret);
ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(33));
if (ret)
return ret;
@ -3213,7 +3218,6 @@ static int mt8188_afe_pcm_dev_probe(struct platform_device *pdev)
afe_priv = afe->platform_priv;
afe->dev = &pdev->dev;
dev = afe->dev;
afe->base_addr = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(afe->base_addr))