1 files changed, 155 insertions, 159 deletions

diff --git a/drivers/staging/iio/adc/max1363_core.c b/drivers/staging/iio/adc/max1363_core.c
index 72b0917..eb699ad 100644
--- a/drivers/staging/iio/adc/max1363_core.c
+++ b/drivers/staging/iio/adc/max1363_core.c
@@ -30,26 +30,26 @@
 #include <linux/regulator/consumer.h>
 #include <linux/slab.h>
 #include <linux/err.h>
+#include <linux/module.h>
 
 #include "../iio.h"
 #include "../sysfs.h"
+#include "../buffer_generic.h"
 
-#include "../ring_generic.h"
-#include "adc.h"
 #include "max1363.h"
 
 #define MAX1363_MODE_SINGLE(_num, _mask) {				\
 		.conf = MAX1363_CHANNEL_SEL(_num)			\
 			| MAX1363_CONFIG_SCAN_SINGLE_1			\
 			| MAX1363_CONFIG_SE,				\
-			.modemask = _mask,				\
+			.modemask[0] = _mask,				\
 			}
 
 #define MAX1363_MODE_SCAN_TO_CHANNEL(_num, _mask) {			\
 		.conf = MAX1363_CHANNEL_SEL(_num)			\
 			| MAX1363_CONFIG_SCAN_TO_CS			\
 			| MAX1363_CONFIG_SE,				\
-			.modemask = _mask,				\
+			.modemask[0] = _mask,				\
 			}
 
 /* note not available for max1363 hence naming */
@@ -57,14 +57,14 @@
 		.conf = MAX1363_CHANNEL_SEL(_num)			\
 			| MAX1236_SCAN_MID_TO_CHANNEL			\
 			| MAX1363_CONFIG_SE,				\
-			.modemask = _mask				\
+			.modemask[0] = _mask				\
 }
 
 #define MAX1363_MODE_DIFF_SINGLE(_nump, _numm, _mask) {			\
 		.conf = MAX1363_CHANNEL_SEL(_nump)			\
 			| MAX1363_CONFIG_SCAN_SINGLE_1			\
 			| MAX1363_CONFIG_DE,				\
-			.modemask = _mask				\
+			.modemask[0] = _mask				\
 			}
 
 /* Can't think how to automate naming so specify for now */
@@ -72,7 +72,7 @@
 		.conf = MAX1363_CHANNEL_SEL(_num)			\
 			| MAX1363_CONFIG_SCAN_TO_CS			\
 			| MAX1363_CONFIG_DE,				\
-			.modemask = _mask				\
+			.modemask[0] = _mask				\
 			}
 
 /* note only available for max1363 hence naming */
@@ -80,7 +80,7 @@
 		.conf = MAX1363_CHANNEL_SEL(_num)			\
 			| MAX1236_SCAN_MID_TO_CHANNEL			\
 			| MAX1363_CONFIG_SE,				\
-			.modemask = _mask				\
+			.modemask[0] = _mask				\
 }
 
 static const struct max1363_mode max1363_mode_table[] = {
@@ -147,13 +147,15 @@ static const struct max1363_mode max1363_mode_table[] = {
 };
 
 const struct max1363_mode
-*max1363_match_mode(u32 mask, const struct max1363_chip_info *ci)
+*max1363_match_mode(unsigned long *mask, const struct max1363_chip_info *ci)
 {
 	int i;
 	if (mask)
 		for (i = 0; i < ci->num_modes; i++)
-			if (!((~max1363_mode_table[ci->mode_list[i]].modemask) &
-			      mask))
+			if (bitmap_subset(mask,
+					  max1363_mode_table[ci->mode_list[i]].
+					  modemask,
+					  MAX1363_MAX_CHANNELS))
 				return &max1363_mode_table[ci->mode_list[i]];
 	return NULL;
 }
@@ -187,7 +189,7 @@ static int max1363_read_single_chan(struct iio_dev *indio_dev,
 	int ret = 0;
 	s32 data;
 	char rxbuf[2];
-	long mask;
+	const unsigned long *mask;
 	struct max1363_state *st = iio_priv(indio_dev);
 	struct i2c_client *client = st->client;
 
@@ -203,7 +205,7 @@ static int max1363_read_single_chan(struct iio_dev *indio_dev,
 	}
 
 	/* If ring buffer capture is occurring, query the buffer */
-	if (iio_ring_enabled(indio_dev)) {
+	if (iio_buffer_enabled(indio_dev)) {
 		mask = max1363_mode_table[chan->address].modemask;
 		data = max1363_single_channel_from_ring(mask, st);
 		if (data < 0) {
@@ -255,7 +257,7 @@ static int max1363_read_raw(struct iio_dev *indio_dev,
 	switch (m) {
 	case 0:
 		ret = max1363_read_single_chan(indio_dev, chan, val, m);
-		if (ret)
+		if (ret < 0)
 			return ret;
 		return IIO_VAL_INT;
 	case (1 << IIO_CHAN_INFO_SCALE_SHARED):
@@ -287,72 +289,52 @@ static const enum max1363_modes max1363_mode_list[] = {
 	(IIO_EV_BIT(IIO_EV_TYPE_THRESH, IIO_EV_DIR_RISING)	\
 	 | IIO_EV_BIT(IIO_EV_TYPE_THRESH, IIO_EV_DIR_FALLING))
 #define MAX1363_INFO_MASK (1 << IIO_CHAN_INFO_SCALE_SHARED)
+#define MAX1363_CHAN_U(num, addr, si, bits, evmask)			\
+	{								\
+		.type = IIO_VOLTAGE,					\
+		.indexed = 1,						\
+		.channel = num,						\
+		.address = addr,					\
+		.info_mask = MAX1363_INFO_MASK,				\
+		.scan_type = IIO_ST('u', bits, (bits > 8) ? 16 : 8, 0), \
+		.scan_index = si,					\
+		.event_mask = evmask,					\
+	}
 
-static struct iio_chan_spec max1363_channels[] = {
-	IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 0, 0, MAX1363_INFO_MASK,
-		 _s0, 0, IIO_ST('u', 12, 16, 0), MAX1363_EV_M),
-	IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 1, 0, MAX1363_INFO_MASK,
-		 _s1, 1, IIO_ST('u', 12, 16, 0), MAX1363_EV_M),
-	IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 2, 0, MAX1363_INFO_MASK,
-		 _s2, 2, IIO_ST('u', 12, 16, 0), MAX1363_EV_M),
-	IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 3, 0, MAX1363_INFO_MASK,
-		 _s3, 3, IIO_ST('u', 12, 16, 0), MAX1363_EV_M),
-	IIO_CHAN(IIO_IN_DIFF, 0, 1, 0, NULL, 0, 1, MAX1363_INFO_MASK,
-		 d0m1, 4, IIO_ST('s', 12, 16, 0), MAX1363_EV_M),
-	IIO_CHAN(IIO_IN_DIFF, 0, 1, 0, NULL, 2, 3, MAX1363_INFO_MASK,
-		 d2m3, 5, IIO_ST('s', 12, 16, 0), MAX1363_EV_M),
-	IIO_CHAN(IIO_IN_DIFF, 0, 1, 0, NULL, 1, 0, MAX1363_INFO_MASK,
-		 d1m0, 6, IIO_ST('s', 12, 16, 0), MAX1363_EV_M),
-	IIO_CHAN(IIO_IN_DIFF, 0, 1, 0, NULL, 3, 2, MAX1363_INFO_MASK,
-		 d3m2, 7, IIO_ST('s', 12, 16, 0), MAX1363_EV_M),
-	IIO_CHAN_SOFT_TIMESTAMP(8)
-};
-
-static struct iio_chan_spec max1361_channels[] = {
-	IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 0, 0, MAX1363_INFO_MASK,
-		 _s0, 0, IIO_ST('u', 10, 16, 0), MAX1363_EV_M),
-	IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 1, 0, MAX1363_INFO_MASK,
-		 _s1, 1, IIO_ST('u', 10, 16, 0), MAX1363_EV_M),
-	IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 2, 0, MAX1363_INFO_MASK,
-		 _s2, 2, IIO_ST('u', 10, 16, 0), MAX1363_EV_M),
-	IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 3, 0, MAX1363_INFO_MASK,
-		 _s3, 3, IIO_ST('u', 10, 16, 0), MAX1363_EV_M),
-	IIO_CHAN(IIO_IN_DIFF, 0, 1, 0, NULL, 0, 1, MAX1363_INFO_MASK,
-		 d0m1, 4, IIO_ST('s', 10, 16, 0), MAX1363_EV_M),
-	IIO_CHAN(IIO_IN_DIFF, 0, 1, 0, NULL, 2, 3, MAX1363_INFO_MASK,
-		 d2m3, 5, IIO_ST('s', 10, 16, 0), MAX1363_EV_M),
-	IIO_CHAN(IIO_IN_DIFF, 0, 1, 0, NULL, 1, 0, MAX1363_INFO_MASK,
-		 d1m0, 6, IIO_ST('s', 10, 16, 0), MAX1363_EV_M),
-	IIO_CHAN(IIO_IN_DIFF, 0, 1, 0, NULL, 3, 2, MAX1363_INFO_MASK,
-		 d3m2, 7, IIO_ST('s', 10, 16, 0), MAX1363_EV_M),
-	IIO_CHAN_SOFT_TIMESTAMP(8)
-};
-
-#define MAX1363_CHAN_U(num, address, scan_index, bits)		\
-	IIO_CHAN(IIO_IN, 0, 1, 0, NULL, num, 0, MAX1363_INFO_MASK,	\
-		 address, scan_index, IIO_ST('u', bits,		\
-					     (bits == 8) ? 8 : 16, 0), 0)
 /* bipolar channel */
-#define MAX1363_CHAN_B(num, num2, address, scan_index, bits)		\
-	IIO_CHAN(IIO_IN_DIFF, 0, 1, 0, NULL, num, num2, MAX1363_INFO_MASK,\
-		 address, scan_index, IIO_ST('s', bits,		\
-					     (bits == 8) ? 8 : 16, 0), 0)
-
-#define MAX1363_4X_CHANS(bits) {		\
-	MAX1363_CHAN_U(0, _s0, 0, bits),	\
-	MAX1363_CHAN_U(1, _s1, 1, bits),	\
-	MAX1363_CHAN_U(2, _s2, 2, bits),	\
-	MAX1363_CHAN_U(3, _s3, 3, bits),	\
-	MAX1363_CHAN_B(0, 1, d0m1, 4, bits),	\
-	MAX1363_CHAN_B(2, 3, d2m3, 5, bits),	\
-	MAX1363_CHAN_B(1, 0, d1m0, 6, bits),	\
-	MAX1363_CHAN_B(3, 2, d3m2, 7, bits),	\
-	IIO_CHAN_SOFT_TIMESTAMP(8)		\
+#define MAX1363_CHAN_B(num, num2, addr, si, bits, evmask)		\
+	{								\
+		.type = IIO_VOLTAGE,					\
+		.differential = 1,					\
+		.indexed = 1,						\
+		.channel = num,						\
+		.channel2 = num2,					\
+		.address = addr,					\
+		.info_mask = MAX1363_INFO_MASK,				\
+		.scan_type = IIO_ST('u', bits, (bits > 8) ? 16 : 8, 0), \
+		.scan_index = si,					\
+		.event_mask = evmask,					\
 	}
 
-static struct iio_chan_spec max1036_channels[] = MAX1363_4X_CHANS(8);
-static struct iio_chan_spec max1136_channels[] = MAX1363_4X_CHANS(10);
-static struct iio_chan_spec max1236_channels[] = MAX1363_4X_CHANS(12);
+#define MAX1363_4X_CHANS(bits, em) {			\
+	MAX1363_CHAN_U(0, _s0, 0, bits, em),		\
+	MAX1363_CHAN_U(1, _s1, 1, bits, em),		\
+	MAX1363_CHAN_U(2, _s2, 2, bits, em),		\
+	MAX1363_CHAN_U(3, _s3, 3, bits, em),		\
+	MAX1363_CHAN_B(0, 1, d0m1, 4, bits, em),	\
+	MAX1363_CHAN_B(2, 3, d2m3, 5, bits, em),	\
+	MAX1363_CHAN_B(1, 0, d1m0, 6, bits, em),	\
+	MAX1363_CHAN_B(3, 2, d3m2, 7, bits, em),	\
+	IIO_CHAN_SOFT_TIMESTAMP(8)			\
+	}
+
+static struct iio_chan_spec max1036_channels[] = MAX1363_4X_CHANS(8, 0);
+static struct iio_chan_spec max1136_channels[] = MAX1363_4X_CHANS(10, 0);
+static struct iio_chan_spec max1236_channels[] = MAX1363_4X_CHANS(12, 0);
+static struct iio_chan_spec max1361_channels[] =
+	MAX1363_4X_CHANS(10, MAX1363_EV_M);
+static struct iio_chan_spec max1363_channels[] =
+	MAX1363_4X_CHANS(12, MAX1363_EV_M);
 
 /* Appies to max1236, max1237 */
 static const enum max1363_modes max1236_mode_list[] = {
@@ -377,30 +359,30 @@ static const enum max1363_modes max1238_mode_list[] = {
 };
 
 #define MAX1363_12X_CHANS(bits) {			\
-	MAX1363_CHAN_U(0, _s0, 0, bits),		\
-	MAX1363_CHAN_U(1, _s1, 1, bits),		\
-	MAX1363_CHAN_U(2, _s2, 2, bits),		\
-	MAX1363_CHAN_U(3, _s3, 3, bits),		\
-	MAX1363_CHAN_U(4, _s4, 4, bits),		\
-	MAX1363_CHAN_U(5, _s5, 5, bits),		\
-	MAX1363_CHAN_U(6, _s6, 6, bits),		\
-	MAX1363_CHAN_U(7, _s7, 7, bits),		\
-	MAX1363_CHAN_U(8, _s8, 8, bits),		\
-	MAX1363_CHAN_U(9, _s9, 9, bits),		\
-	MAX1363_CHAN_U(10, _s10, 10, bits),		\
-	MAX1363_CHAN_U(11, _s11, 11, bits),		\
-	MAX1363_CHAN_B(0, 1, d0m1, 12, bits),		\
-	MAX1363_CHAN_B(2, 3, d2m3, 13, bits),		\
-	MAX1363_CHAN_B(4, 5, d4m5, 14, bits),		\
-	MAX1363_CHAN_B(6, 7, d6m7, 15, bits),		\
-	MAX1363_CHAN_B(8, 9, d8m9, 16, bits),		\
-	MAX1363_CHAN_B(10, 11, d10m11, 17, bits),	\
-	MAX1363_CHAN_B(1, 0, d1m0, 18, bits),		\
-	MAX1363_CHAN_B(3, 2, d3m2, 19, bits),		\
-	MAX1363_CHAN_B(5, 4, d5m4, 20, bits),		\
-	MAX1363_CHAN_B(7, 6, d7m6, 21, bits),		\
-	MAX1363_CHAN_B(9, 8, d9m8, 22, bits),		\
-	MAX1363_CHAN_B(11, 10, d11m10, 23, bits),	\
+	MAX1363_CHAN_U(0, _s0, 0, bits, 0),		\
+	MAX1363_CHAN_U(1, _s1, 1, bits, 0),		\
+	MAX1363_CHAN_U(2, _s2, 2, bits, 0),		\
+	MAX1363_CHAN_U(3, _s3, 3, bits, 0),		\
+	MAX1363_CHAN_U(4, _s4, 4, bits, 0),		\
+	MAX1363_CHAN_U(5, _s5, 5, bits, 0),		\
+	MAX1363_CHAN_U(6, _s6, 6, bits, 0),		\
+	MAX1363_CHAN_U(7, _s7, 7, bits, 0),		\
+	MAX1363_CHAN_U(8, _s8, 8, bits, 0),		\
+	MAX1363_CHAN_U(9, _s9, 9, bits, 0),		\
+	MAX1363_CHAN_U(10, _s10, 10, bits, 0),		\
+	MAX1363_CHAN_U(11, _s11, 11, bits, 0),		\
+	MAX1363_CHAN_B(0, 1, d0m1, 12, bits, 0),	\
+	MAX1363_CHAN_B(2, 3, d2m3, 13, bits, 0),	\
+	MAX1363_CHAN_B(4, 5, d4m5, 14, bits, 0),	\
+	MAX1363_CHAN_B(6, 7, d6m7, 15, bits, 0),	\
+	MAX1363_CHAN_B(8, 9, d8m9, 16, bits, 0),	\
+	MAX1363_CHAN_B(10, 11, d10m11, 17, bits, 0),	\
+	MAX1363_CHAN_B(1, 0, d1m0, 18, bits, 0),	\
+	MAX1363_CHAN_B(3, 2, d3m2, 19, bits, 0),	\
+	MAX1363_CHAN_B(5, 4, d5m4, 20, bits, 0),	\
+	MAX1363_CHAN_B(7, 6, d7m6, 21, bits, 0),	\
+	MAX1363_CHAN_B(9, 8, d9m8, 22, bits, 0),	\
+	MAX1363_CHAN_B(11, 10, d11m10, 23, bits, 0),	\
 	IIO_CHAN_SOFT_TIMESTAMP(24)			\
 	}
 static struct iio_chan_spec max1038_channels[] = MAX1363_12X_CHANS(8);
@@ -425,25 +407,25 @@ static const enum max1363_modes max11608_mode_list[] = {
 	d1m0to3m2, d1m0to5m4, d1m0to7m6,
 };
 
-#define MAX1363_8X_CHANS(bits) {				\
-		MAX1363_CHAN_U(0, _s0, 0, bits),		\
-			MAX1363_CHAN_U(1, _s1, 1, bits),	\
-			MAX1363_CHAN_U(2, _s2, 2, bits),	\
-			MAX1363_CHAN_U(3, _s3, 3, bits),	\
-			MAX1363_CHAN_U(4, _s4, 4, bits),	\
-			MAX1363_CHAN_U(5, _s5, 5, bits),	\
-			MAX1363_CHAN_U(6, _s6, 6, bits),	\
-			MAX1363_CHAN_U(7, _s7, 7, bits),	\
-			MAX1363_CHAN_B(0, 1, d0m1, 8, bits),	\
-			MAX1363_CHAN_B(2, 3, d2m3, 9, bits),	\
-			MAX1363_CHAN_B(4, 5, d4m5, 10, bits),	\
-			MAX1363_CHAN_B(6, 7, d6m7, 11, bits),	\
-			MAX1363_CHAN_B(1, 0, d1m0, 12, bits),	\
-			MAX1363_CHAN_B(3, 2, d3m2, 13, bits),	\
-			MAX1363_CHAN_B(5, 4, d5m4, 14, bits),	\
-			MAX1363_CHAN_B(7, 6, d7m6, 15, bits),	\
-			IIO_CHAN_SOFT_TIMESTAMP(16)		\
-		}
+#define MAX1363_8X_CHANS(bits) {			\
+	MAX1363_CHAN_U(0, _s0, 0, bits, 0),		\
+	MAX1363_CHAN_U(1, _s1, 1, bits, 0),		\
+	MAX1363_CHAN_U(2, _s2, 2, bits, 0),		\
+	MAX1363_CHAN_U(3, _s3, 3, bits, 0),		\
+	MAX1363_CHAN_U(4, _s4, 4, bits, 0),		\
+	MAX1363_CHAN_U(5, _s5, 5, bits, 0),		\
+	MAX1363_CHAN_U(6, _s6, 6, bits, 0),		\
+	MAX1363_CHAN_U(7, _s7, 7, bits, 0),		\
+	MAX1363_CHAN_B(0, 1, d0m1, 8, bits, 0),	\
+	MAX1363_CHAN_B(2, 3, d2m3, 9, bits, 0),	\
+	MAX1363_CHAN_B(4, 5, d4m5, 10, bits, 0),	\
+	MAX1363_CHAN_B(6, 7, d6m7, 11, bits, 0),	\
+	MAX1363_CHAN_B(1, 0, d1m0, 12, bits, 0),	\
+	MAX1363_CHAN_B(3, 2, d3m2, 13, bits, 0),	\
+	MAX1363_CHAN_B(5, 4, d5m4, 14, bits, 0),	\
+	MAX1363_CHAN_B(7, 6, d7m6, 15, bits, 0),	\
+	IIO_CHAN_SOFT_TIMESTAMP(16)			\
+}
 static struct iio_chan_spec max11602_channels[] = MAX1363_8X_CHANS(8);
 static struct iio_chan_spec max11608_channels[] = MAX1363_8X_CHANS(10);
 static struct iio_chan_spec max11614_channels[] = MAX1363_8X_CHANS(12);
@@ -453,10 +435,10 @@ static const enum max1363_modes max11644_mode_list[] = {
 };
 
 #define MAX1363_2X_CHANS(bits) {			\
-	MAX1363_CHAN_U(0, _s0, 0, bits),		\
-	MAX1363_CHAN_U(1, _s1, 1, bits),		\
-	MAX1363_CHAN_B(0, 1, d0m1, 2, bits),		\
-	MAX1363_CHAN_B(1, 0, d1m0, 3, bits),		\
+	MAX1363_CHAN_U(0, _s0, 0, bits, 0),		\
+	MAX1363_CHAN_U(1, _s1, 1, bits, 0),		\
+	MAX1363_CHAN_B(0, 1, d0m1, 2, bits, 0),	\
+	MAX1363_CHAN_B(1, 0, d1m0, 3, bits, 0),	\
 	IIO_CHAN_SOFT_TIMESTAMP(4)			\
 	}
 
@@ -551,7 +533,7 @@ static IIO_CONST_ATTR(sampling_frequency_available,
 		"133000 665000 33300 16600 8300 4200 2000 1000");
 
 static int max1363_read_thresh(struct iio_dev *indio_dev,
-			       int event_code,
+			       u64 event_code,
 			       int *val)
 {
 	struct max1363_state *st = iio_priv(indio_dev);
@@ -563,7 +545,7 @@ static int max1363_read_thresh(struct iio_dev *indio_dev,
 }
 
 static int max1363_write_thresh(struct iio_dev *indio_dev,
-				int event_code,
+				u64 event_code,
 				int val)
 {
 	struct max1363_state *st = iio_priv(indio_dev);
@@ -591,11 +573,23 @@ static int max1363_write_thresh(struct iio_dev *indio_dev,
 	return 0;
 }
 
-static const int max1363_event_codes[] = {
-	IIO_EVENT_CODE_IN_LOW_THRESH(3), IIO_EVENT_CODE_IN_HIGH_THRESH(3),
-	IIO_EVENT_CODE_IN_LOW_THRESH(2), IIO_EVENT_CODE_IN_HIGH_THRESH(2),
-	IIO_EVENT_CODE_IN_LOW_THRESH(1), IIO_EVENT_CODE_IN_HIGH_THRESH(1),
-	IIO_EVENT_CODE_IN_LOW_THRESH(0), IIO_EVENT_CODE_IN_HIGH_THRESH(0)
+static const u64 max1363_event_codes[] = {
+	IIO_UNMOD_EVENT_CODE(IIO_VOLTAGE, 0,
+			     IIO_EV_TYPE_THRESH, IIO_EV_DIR_FALLING),
+	IIO_UNMOD_EVENT_CODE(IIO_VOLTAGE, 1,
+			     IIO_EV_TYPE_THRESH, IIO_EV_DIR_FALLING),
+	IIO_UNMOD_EVENT_CODE(IIO_VOLTAGE, 2,
+			     IIO_EV_TYPE_THRESH, IIO_EV_DIR_FALLING),
+	IIO_UNMOD_EVENT_CODE(IIO_VOLTAGE, 3,
+			     IIO_EV_TYPE_THRESH, IIO_EV_DIR_FALLING),
+	IIO_UNMOD_EVENT_CODE(IIO_VOLTAGE, 0,
+			     IIO_EV_TYPE_THRESH, IIO_EV_DIR_RISING),
+	IIO_UNMOD_EVENT_CODE(IIO_VOLTAGE, 1,
+			     IIO_EV_TYPE_THRESH, IIO_EV_DIR_RISING),
+	IIO_UNMOD_EVENT_CODE(IIO_VOLTAGE, 2,
+			     IIO_EV_TYPE_THRESH, IIO_EV_DIR_RISING),
+	IIO_UNMOD_EVENT_CODE(IIO_VOLTAGE, 3,
+			     IIO_EV_TYPE_THRESH, IIO_EV_DIR_RISING),
 };
 
 static irqreturn_t max1363_event_handler(int irq, void *private)
@@ -611,15 +605,14 @@ static irqreturn_t max1363_event_handler(int irq, void *private)
 	i2c_master_recv(st->client, &rx, 1);
 	mask = rx;
 	for_each_set_bit(loc, &mask, 8)
-		iio_push_event(indio_dev, 0, max1363_event_codes[loc],
-			       timestamp);
+		iio_push_event(indio_dev, max1363_event_codes[loc], timestamp);
 	i2c_master_send(st->client, tx, 2);
 
 	return IRQ_HANDLED;
 }
 
 static int max1363_read_event_config(struct iio_dev *indio_dev,
-				     int event_code)
+				     u64 event_code)
 {
 	struct max1363_state *st = iio_priv(indio_dev);
 
@@ -641,7 +634,7 @@ static int max1363_monitor_mode_update(struct max1363_state *st, int enabled)
 	int ret, i = 3, j;
 	unsigned long numelements;
 	int len;
-	long modemask;
+	const long *modemask;
 
 	if (!enabled) {
 		/* transition to ring capture is not currently supported */
@@ -669,7 +662,7 @@ static int max1363_monitor_mode_update(struct max1363_state *st, int enabled)
 		st->configbyte |= max1363_mode_table[d1m0to3m2].conf;
 		modemask = max1363_mode_table[d1m0to3m2].modemask;
 	}
-	numelements = hweight_long(modemask);
+	numelements = bitmap_weight(modemask, MAX1363_MAX_CHANNELS);
 	len = 3 * numelements + 3;
 	tx_buf = kmalloc(len, GFP_KERNEL);
 	if (!tx_buf) {
@@ -685,7 +678,7 @@ static int max1363_monitor_mode_update(struct max1363_state *st, int enabled)
 	 * setup to match what we need.
 	 */
 	for (j = 0; j < 8; j++)
-		if (modemask & (1 << j)) {
+		if (test_bit(j, modemask)) {
 			/* Establish the mode is in the scan */
 			if (st->mask_low & (1 << j)) {
 				tx_buf[i] = (st->thresh_low[j] >> 4) & 0xFF;
@@ -771,7 +764,7 @@ error_ret:
 }
 
 static int max1363_write_event_config(struct iio_dev *indio_dev,
-				      int event_code,
+				      u64 event_code,
 				      int state)
 {
 	int ret = 0;
@@ -823,6 +816,7 @@ static struct attribute *max1363_event_attributes[] = {
 
 static struct attribute_group max1363_event_attribute_group = {
 	.attrs = max1363_event_attributes,
+	.name = "events",
 };
 
 #define MAX1363_EVENT_FUNCS						\
@@ -840,7 +834,6 @@ static const struct iio_info max1363_info = {
 	.write_event_config = &max1363_write_event_config,
 	.read_raw = &max1363_read_raw,
 	.driver_module = THIS_MODULE,
-	.num_interrupt_lines = 1,
 	.event_attrs = &max1363_event_attribute_group,
 };
 
@@ -1249,7 +1242,7 @@ static int max1363_initial_setup(struct max1363_state *st)
 static int __devinit max1363_probe(struct i2c_client *client,
 				   const struct i2c_device_id *id)
 {
-	int ret, i, regdone = 0;
+	int ret, i;
 	struct max1363_state *st;
 	struct iio_dev *indio_dev;
 	struct regulator *reg;
@@ -1278,7 +1271,7 @@ static int __devinit max1363_probe(struct i2c_client *client,
 	st->client = client;
 
 	indio_dev->available_scan_masks
-		= kzalloc(sizeof(*indio_dev->available_scan_masks)*
+		= kzalloc(BITS_TO_LONGS(MAX1363_MAX_CHANNELS)*sizeof(long)*
 			  (st->chip_info->num_modes + 1), GFP_KERNEL);
 	if (!indio_dev->available_scan_masks) {
 		ret = -ENOMEM;
@@ -1286,15 +1279,19 @@ static int __devinit max1363_probe(struct i2c_client *client,
 	}
 
 	for (i = 0; i < st->chip_info->num_modes; i++)
-		indio_dev->available_scan_masks[i] =
-			max1363_mode_table[st->chip_info->mode_list[i]]
-			.modemask;
+		bitmap_copy(indio_dev->available_scan_masks +
+			    BITS_TO_LONGS(MAX1363_MAX_CHANNELS)*i,
+			    max1363_mode_table[st->chip_info->mode_list[i]]
+			    .modemask, MAX1363_MAX_CHANNELS);
 	/* Estabilish that the iio_dev is a child of the i2c device */
 	indio_dev->dev.parent = &client->dev;
 	indio_dev->name = id->name;
-
+	indio_dev->channels = st->chip_info->channels;
+	indio_dev->num_channels = st->chip_info->num_channels;
 	indio_dev->info = st->chip_info->info;
 	indio_dev->modes = INDIO_DIRECT_MODE;
+	indio_dev->channels = st->chip_info->channels;
+	indio_dev->num_channels = st->chip_info->num_channels;
 	ret = max1363_initial_setup(st);
 	if (ret < 0)
 		goto error_free_available_scan_masks;
@@ -1303,13 +1300,9 @@ static int __devinit max1363_probe(struct i2c_client *client,
 	if (ret)
 		goto error_free_available_scan_masks;
 
-	ret = iio_device_register(indio_dev);
-	if (ret)
-		goto error_cleanup_ring;
-	regdone = 1;
-	ret = iio_ring_buffer_register_ex(indio_dev->ring, 0,
-					  st->chip_info->channels,
-					  st->chip_info->num_channels);
+	ret = iio_buffer_register(indio_dev,
+				  st->chip_info->channels,
+				  st->chip_info->num_channels);
 	if (ret)
 		goto error_cleanup_ring;
 
@@ -1325,19 +1318,21 @@ static int __devinit max1363_probe(struct i2c_client *client,
 			goto error_uninit_ring;
 	}
 
-	return 0;
+	ret = iio_device_register(indio_dev);
+	if (ret < 0)
+		goto error_free_irq;
 
+	return 0;
+error_free_irq:
+	free_irq(st->client->irq, indio_dev);
 error_uninit_ring:
-	iio_ring_buffer_unregister(indio_dev->ring);
+	iio_buffer_unregister(indio_dev);
 error_cleanup_ring:
 	max1363_ring_cleanup(indio_dev);
 error_free_available_scan_masks:
 	kfree(indio_dev->available_scan_masks);
 error_free_device:
-	if (!regdone)
-		iio_free_device(indio_dev);
-	else
-		iio_device_unregister(indio_dev);
+	iio_free_device(indio_dev);
 error_disable_reg:
 	regulator_disable(reg);
 error_put_reg:
@@ -1352,16 +1347,17 @@ static int max1363_remove(struct i2c_client *client)
 	struct max1363_state *st = iio_priv(indio_dev);
 	struct regulator *reg = st->reg;
 
+	iio_device_unregister(indio_dev);
 	if (client->irq)
 		free_irq(st->client->irq, indio_dev);
-	iio_ring_buffer_unregister(indio_dev->ring);
+	iio_buffer_unregister(indio_dev);
 	max1363_ring_cleanup(indio_dev);
 	kfree(indio_dev->available_scan_masks);
 	if (!IS_ERR(reg)) {
 		regulator_disable(reg);
 		regulator_put(reg);
 	}
-	iio_device_unregister(indio_dev);
+	iio_free_device(indio_dev);
 
 	return 0;
 }