Re: [RFC PATCH v2 5/7] media: imx: fsl_asrc: Add memory to memory driver

On Tue, Jul 25, 2023 at 10:31 AM Shengjiu Wang shengjiu.wang@nxp.com wrote:

Implement the ASRC memory to memory function using the v4l2 framework, user can use this function with v4l2 ioctl interface.

User send the output and capture buffer to driver and driver store the converted data to the capture buffer.

This feature can be shared by ASRC and EASRC drivers

Signed-off-by: Shengjiu Wang shengjiu.wang@nxp.com

drivers/media/platform/nxp/Kconfig | 12 + drivers/media/platform/nxp/Makefile | 1 + drivers/media/platform/nxp/fsl_asrc_m2m.c | 962 ++++++++++++++++++++++ include/sound/fsl_asrc_common.h | 9 + 4 files changed, 984 insertions(+) create mode 100644 drivers/media/platform/nxp/fsl_asrc_m2m.c

diff --git a/drivers/media/platform/nxp/Kconfig b/drivers/media/platform/nxp/Kconfig index a0ca6b297fb8..359f11fe2a80 100644 --- a/drivers/media/platform/nxp/Kconfig +++ b/drivers/media/platform/nxp/Kconfig @@ -56,3 +56,15 @@ config VIDEO_MX2_EMMAPRP

source "drivers/media/platform/nxp/dw100/Kconfig" source "drivers/media/platform/nxp/imx-jpeg/Kconfig"

+config VIDEO_FSL_ASRC_M2M

•   tristate "MXP i.MX ASRC M2M support"
  

s/MXP/NXP

•   depends on V4L_MEM2MEM_DRIVERS
  

•   depends on MEDIA_SUPPORT
  

•   select VIDEOBUF2_DMA_CONTIG
  

•   select V4L2_MEM2MEM_DEV
  

•   help
  

•       Say Y if you want to add ASRC M2M support for NXP CPUs.
  

•       It is a completement for ASRC M2P and ASRC P2M features.
  

Complement for?