This adds a buffer structure for files including the sunxi-gpadc-mfd
header. This structure has a buffer of 32 u32 values to store data from the
FIFO of the GPADC of Allwinner SoCs. A buff_size is provided in case the
buffer is not full.
Signed-off-by: Quentin Schulz <quentin.sch...@free-electrons.com>
---
include/linux/mfd/sunxi-gpadc-mfd.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/include/linux/mfd/sunxi-gpadc-mfd.h
b/include/linux/mfd/sunxi-gpadc-mfd.h
index 7155845..f658299 100644
--- a/include/linux/mfd/sunxi-gpadc-mfd.h
+++ b/include/linux/mfd/sunxi-gpadc-mfd.h
@@ -20,4 +20,9 @@ struct sunxi_gpadc_mfd_dev {
void __iomem *regs;
};
+struct sunxi_gpadc_buffer {
+ u32 buffer[32];
+ unsigned int buff_size;
+};
+
#endif
--
2.5.0
