From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB
---
kernel/drivers/iio/dac/ad5686.h | 15 +++++++++++++--
1 files changed, 13 insertions(+), 2 deletions(-)
diff --git a/kernel/drivers/iio/dac/ad5686.h b/kernel/drivers/iio/dac/ad5686.h
index 57b3c61..a15f297 100644
--- a/kernel/drivers/iio/dac/ad5686.h
+++ b/kernel/drivers/iio/dac/ad5686.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0+ */
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* This file is part of AD5686 DAC driver
*
@@ -13,7 +13,10 @@
#include <linux/mutex.h>
#include <linux/kernel.h>
+#define AD5310_CMD(x) ((x) << 12)
+
#define AD5683_DATA(x) ((x) << 4)
+
#define AD5686_ADDR(x) ((x) << 16)
#define AD5686_CMD(x) ((x) << 20)
@@ -38,6 +41,8 @@
#define AD5686_CMD_CONTROL_REG 0x4
#define AD5686_CMD_READBACK_ENABLE_V2 0x5
+
+#define AD5310_REF_BIT_MSK BIT(8)
#define AD5683_REF_BIT_MSK BIT(12)
#define AD5693_REF_BIT_MSK BIT(12)
@@ -45,12 +50,15 @@
* ad5686_supported_device_ids:
*/
enum ad5686_supported_device_ids {
+ ID_AD5310R,
ID_AD5311R,
ID_AD5671R,
ID_AD5672R,
+ ID_AD5674R,
ID_AD5675R,
ID_AD5676,
ID_AD5676R,
+ ID_AD5679R,
ID_AD5681R,
ID_AD5682R,
ID_AD5683,
@@ -72,6 +80,7 @@
};
enum ad5686_regmap_type {
+ AD5310_REGMAP,
AD5683_REGMAP,
AD5686_REGMAP,
AD5693_REGMAP
@@ -95,7 +104,7 @@
struct ad5686_chip_info {
u16 int_vref_mv;
unsigned int num_channels;
- struct iio_chan_spec *channels;
+ const struct iio_chan_spec *channels;
enum ad5686_regmap_type regmap_type;
};
@@ -108,6 +117,7 @@
* @pwr_down_mask: power down mask
* @pwr_down_mode: current power down mode
* @use_internal_vref: set to true if the internal reference voltage is used
+ * @lock lock to protect the data buffer during regmap ops
* @data: spi transfer buffers
*/
@@ -121,6 +131,7 @@
ad5686_write_func write;
ad5686_read_func read;
bool use_internal_vref;
+ struct mutex lock;
/*
* DMA (thus cache coherency maintenance) requires the
--
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