[PATCH 2/5] mfd: sunxi-gpadc-mfd: add buffer structure

[Quentin Schulz]

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.schulz at 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