staging:iio: Move DAC drivers out of staging

The IIO DAC drivers are in a reasonably good shape. They all make use of channel
spec and non of them provides non-documented sysfs attributes. Code style should
be OK as well, both checkpatch and coccicheck only report trivial issues.

So lets move the whole folder out of staging.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

23 files changed, 6 insertions, 109 deletions

diff --git a/drivers/iio/Kconfig b/drivers/iio/Kconfig
index 64c88e5cda4d..103349f2b3b5 100644
--- a/drivers/iio/Kconfig
+++ b/drivers/iio/Kconfig
@@ -52,5 +52,6 @@ source "drivers/iio/adc/Kconfig"
 source "drivers/iio/amplifiers/Kconfig"
 source "drivers/iio/light/Kconfig"
 source "drivers/iio/frequency/Kconfig"
+source "drivers/iio/dac/Kconfig"
 
 endif # IIO
diff --git a/drivers/iio/Makefile b/drivers/iio/Makefile
index bd801c0bbc2f..c38fa2a40af2 100644
--- a/drivers/iio/Makefile
+++ b/drivers/iio/Makefile
@@ -13,3 +13,4 @@ obj-y += adc/
 obj-y += amplifiers/
 obj-y += light/
 obj-y += frequency/
+obj-y += dac/
diff --git a/drivers/staging/iio/dac/Kconfig b/drivers/iio/dac/Kconfig
index a626f03871ec..a626f03871ec 100644
--- a/drivers/staging/iio/dac/Kconfig
+++ b/drivers/iio/dac/Kconfig
diff --git a/drivers/staging/iio/dac/Makefile b/drivers/iio/dac/Makefile
index 8ab1d264aab7..8ab1d264aab7 100644
--- a/drivers/staging/iio/dac/Makefile
+++ b/drivers/iio/dac/Makefile
diff --git a/drivers/staging/iio/dac/ad5064.c b/drivers/iio/dac/ad5064.c
index 276af02520af..276af02520af 100644
--- a/drivers/staging/iio/dac/ad5064.c
+++ b/drivers/iio/dac/ad5064.c
diff --git a/drivers/staging/iio/dac/ad5360.c b/drivers/iio/dac/ad5360.c
index 8fce84fe70b1..8fce84fe70b1 100644
--- a/drivers/staging/iio/dac/ad5360.c
+++ b/drivers/iio/dac/ad5360.c
diff --git a/drivers/staging/iio/dac/ad5380.c b/drivers/iio/dac/ad5380.c
index 5dfb4451728f..5dfb4451728f 100644
--- a/drivers/staging/iio/dac/ad5380.c
+++ b/drivers/iio/dac/ad5380.c
diff --git a/drivers/staging/iio/dac/ad5421.c b/drivers/iio/dac/ad5421.c
index ea2f83b4e357..cdbc5bf25c31 100644
--- a/drivers/staging/iio/dac/ad5421.c
+++ b/drivers/iio/dac/ad5421.c
@@ -19,7 +19,7 @@
 #include <linux/iio/iio.h>
 #include <linux/iio/sysfs.h>
 #include <linux/iio/events.h>
-#include "ad5421.h"
+#include <linux/iio/dac/ad5421.h>
 
 
 #define AD5421_REG_DAC_DATA		0x1
diff --git a/drivers/staging/iio/dac/ad5446.c b/drivers/iio/dac/ad5446.c
index 49f557fc673b..49f557fc673b 100644
--- a/drivers/staging/iio/dac/ad5446.c
+++ b/drivers/iio/dac/ad5446.c
diff --git a/drivers/staging/iio/dac/ad5446.h b/drivers/iio/dac/ad5446.h
index dfd68ce7427e..dfd68ce7427e 100644
--- a/drivers/staging/iio/dac/ad5446.h
+++ b/drivers/iio/dac/ad5446.h
diff --git a/drivers/staging/iio/dac/ad5504.c b/drivers/iio/dac/ad5504.c
index 1289e9bc1688..242bdc7d0044 100644
--- a/drivers/staging/iio/dac/ad5504.c
+++ b/drivers/iio/dac/ad5504.c
@@ -19,8 +19,7 @@
 #include <linux/iio/iio.h>
 #include <linux/iio/sysfs.h>
 #include <linux/iio/events.h>
-
-#include "ad5504.h"
+#include <linux/iio/dac/ad5504.h>
 
 #define AD5505_BITS			12
 #define AD5504_RES_MASK			((1 << (AD5505_BITS)) - 1)
diff --git a/drivers/staging/iio/dac/ad5624r.h b/drivers/iio/dac/ad5624r.h
index 5dca3028cdfd..5dca3028cdfd 100644
--- a/drivers/staging/iio/dac/ad5624r.h
+++ b/drivers/iio/dac/ad5624r.h
diff --git a/drivers/staging/iio/dac/ad5624r_spi.c b/drivers/iio/dac/ad5624r_spi.c
index 6a7d6a48cc6d..6a7d6a48cc6d 100644
--- a/drivers/staging/iio/dac/ad5624r_spi.c
+++ b/drivers/iio/dac/ad5624r_spi.c
diff --git a/drivers/staging/iio/dac/ad5686.c b/drivers/iio/dac/ad5686.c
index 6948d75e1036..6948d75e1036 100644
--- a/drivers/staging/iio/dac/ad5686.c
+++ b/drivers/iio/dac/ad5686.c
diff --git a/drivers/staging/iio/dac/ad5764.c b/drivers/iio/dac/ad5764.c
index ffce30447445..ffce30447445 100644
--- a/drivers/staging/iio/dac/ad5764.c
+++ b/drivers/iio/dac/ad5764.c
diff --git a/drivers/staging/iio/dac/ad5791.c b/drivers/iio/dac/ad5791.c
index 5de28c2a57ef..2bd2e37280ff 100644
--- a/drivers/staging/iio/dac/ad5791.c
+++ b/drivers/iio/dac/ad5791.c
@@ -19,8 +19,7 @@
 
 #include <linux/iio/iio.h>
 #include <linux/iio/sysfs.h>
-
-#include "ad5791.h"
+#include <linux/iio/dac/ad5791.h>
 
 #define AD5791_RES_MASK(x)		((1 << (x)) - 1)
 #define AD5791_DAC_MASK			AD5791_RES_MASK(20)
diff --git a/drivers/staging/iio/dac/max517.c b/drivers/iio/dac/max517.c
index 403e06fbc39e..92c77c82026c 100644
--- a/drivers/staging/iio/dac/max517.c
+++ b/drivers/iio/dac/max517.c
@@ -27,8 +27,7 @@
 
 #include <linux/iio/iio.h>
 #include <linux/iio/sysfs.h>
-
-#include "max517.h"
+#include <linux/iio/dac/max517.h>
 
 #define MAX517_DRV_NAME	"max517"
 
diff --git a/drivers/staging/iio/Kconfig b/drivers/staging/iio/Kconfig
index 3c8e5ec26ac1..04cd6ec1f70f 100644
--- a/drivers/staging/iio/Kconfig
+++ b/drivers/staging/iio/Kconfig
@@ -29,7 +29,6 @@ source "drivers/staging/iio/accel/Kconfig"
 source "drivers/staging/iio/adc/Kconfig"
 source "drivers/staging/iio/addac/Kconfig"
 source "drivers/staging/iio/cdc/Kconfig"
-source "drivers/staging/iio/dac/Kconfig"
 source "drivers/staging/iio/frequency/Kconfig"
 source "drivers/staging/iio/gyro/Kconfig"
 source "drivers/staging/iio/impedance-analyzer/Kconfig"
diff --git a/drivers/staging/iio/Makefile b/drivers/staging/iio/Makefile
index 6a46d5afb380..fa6937d92ee3 100644
--- a/drivers/staging/iio/Makefile
+++ b/drivers/staging/iio/Makefile
@@ -17,7 +17,6 @@ obj-y += accel/
 obj-y += adc/
 obj-y += addac/
 obj-y += cdc/
-obj-y += dac/
 obj-y += frequency/
 obj-y += gyro/
 obj-y += impedance-analyzer/
diff --git a/drivers/staging/iio/dac/ad5421.h b/drivers/staging/iio/dac/ad5421.h
deleted file mode 100644
index cd2bb84ff1b0..000000000000
--- a/drivers/staging/iio/dac/ad5421.h
+++ /dev/null
@@ -1,32 +0,0 @@
-#ifndef __IIO_DAC_AD5421_H__
-#define __IIO_DAC_AD5421_H__
-
-/*
- * TODO: This file needs to go into include/linux/iio
- */
-
-/**
- * enum ad5421_current_range - Current range the AD5421 is configured for.
- * @AD5421_CURRENT_RANGE_4mA_20mA: 4 mA to 20 mA (RANGE1,0 pins = 00)
- * @AD5421_CURRENT_RANGE_3mA8_21mA: 3.8 mA to 21 mA (RANGE1,0 pins = x1)
- * @AD5421_CURRENT_RANGE_3mA2_24mA: 3.2 mA to 24 mA (RANGE1,0 pins = 10)
- */
-
-enum ad5421_current_range {
-	AD5421_CURRENT_RANGE_4mA_20mA,
-	AD5421_CURRENT_RANGE_3mA8_21mA,
-	AD5421_CURRENT_RANGE_3mA2_24mA,
-};
-
-/**
- * struct ad5421_platform_data - AD5421 DAC driver platform data
- * @external_vref: whether an external reference voltage is used or not
- * @current_range: Current range the AD5421 is configured for
- */
-
-struct ad5421_platform_data {
-	bool external_vref;
-	enum ad5421_current_range current_range;
-};
-
-#endif
diff --git a/drivers/staging/iio/dac/ad5504.h b/drivers/staging/iio/dac/ad5504.h
deleted file mode 100644
index d4980bf688bf..000000000000
--- a/drivers/staging/iio/dac/ad5504.h
+++ /dev/null
@@ -1,20 +0,0 @@
-/*
- * AD5504 SPI DAC driver
- *
- * Copyright 2011 Analog Devices Inc.
- *
- * Licensed under the GPL-2.
- */
-
-#ifndef SPI_AD5504_H_
-#define SPI_AD5504_H_
-
-/*
- * TODO: struct ad5504_platform_data needs to go into include/linux/iio
- */
-
-struct ad5504_platform_data {
-	u16				vref_mv;
-};
-
-#endif /* SPI_AD5504_H_ */
diff --git a/drivers/staging/iio/dac/ad5791.h b/drivers/staging/iio/dac/ad5791.h
deleted file mode 100644
index 87a6c922f18e..000000000000
--- a/drivers/staging/iio/dac/ad5791.h
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * AD5791 SPI DAC driver
- *
- * Copyright 2011 Analog Devices Inc.
- *
- * Licensed under the GPL-2.
- */
-
-#ifndef SPI_AD5791_H_
-#define SPI_AD5791_H_
-
-/*
- * TODO: struct ad5791_platform_data needs to go into include/linux/iio
- */
-
-/**
- * struct ad5791_platform_data - platform specific information
- * @vref_pos_mv:	Vdd Positive Analog Supply Volatge (mV)
- * @vref_neg_mv:	Vdd Negative Analog Supply Volatge (mV)
- * @use_rbuf_gain2:	ext. amplifier connected in gain of two configuration
- */
-
-struct ad5791_platform_data {
-	u16				vref_pos_mv;
-	u16				vref_neg_mv;
-	bool				use_rbuf_gain2;
-};
-
-#endif /* SPI_AD5791_H_ */
diff --git a/drivers/staging/iio/dac/max517.h b/drivers/staging/iio/dac/max517.h
deleted file mode 100644
index 8106cf24642a..000000000000
--- a/drivers/staging/iio/dac/max517.h
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * MAX517 DAC driver
- *
- * Copyright 2011 Roland Stigge <stigge@antcom.de>
- *
- * Licensed under the GPL-2 or later.
- */
-#ifndef IIO_DAC_MAX517_H_
-#define IIO_DAC_MAX517_H_
-
-/*
- * TODO: struct max517_platform_data needs to go into include/linux/iio
- */
-
-struct max517_platform_data {
-	u16				vref_mv[2];
-};
-
-#endif /* IIO_DAC_MAX517_H_ */