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-rw-r--r--drivers/iio/dac/ad5064.c3
-rw-r--r--drivers/iio/dac/ad5380.c4
-rw-r--r--drivers/iio/dac/ad5446.c3
-rw-r--r--drivers/iio/dac/ad5504.c4
-rw-r--r--drivers/iio/dac/ad5624r_spi.c4
-rw-r--r--drivers/iio/dac/ad5686.c3
-rw-r--r--drivers/iio/dac/ad5755.c1
-rw-r--r--drivers/iio/dac/ad5791.c5
-rw-r--r--drivers/iio/dac/ad7303.c1
-rw-r--r--drivers/iio/dac/mcp4725.c3
-rw-r--r--drivers/iio/frequency/adf4350.c1
-rw-r--r--drivers/iio/iio_core.h2
-rw-r--r--drivers/iio/industrialio-buffer.c2
-rw-r--r--drivers/iio/industrialio-core.c149
-rw-r--r--include/linux/iio/iio.h9
15 files changed, 112 insertions, 82 deletions
diff --git a/drivers/iio/dac/ad5064.c b/drivers/iio/dac/ad5064.c
index a3a52be4852c..b18e8c4347c2 100644
--- a/drivers/iio/dac/ad5064.c
+++ b/drivers/iio/dac/ad5064.c
@@ -285,8 +285,9 @@ static const struct iio_chan_spec_ext_info ad5064_ext_info[] = {
.name = "powerdown",
.read = ad5064_read_dac_powerdown,
.write = ad5064_write_dac_powerdown,
+ .shared = IIO_SEPARATE,
},
- IIO_ENUM("powerdown_mode", false, &ad5064_powerdown_mode_enum),
+ IIO_ENUM("powerdown_mode", IIO_SEPARATE, &ad5064_powerdown_mode_enum),
IIO_ENUM_AVAILABLE("powerdown_mode", &ad5064_powerdown_mode_enum),
{ },
};
diff --git a/drivers/iio/dac/ad5380.c b/drivers/iio/dac/ad5380.c
index 1c44ae3920e2..4c791e66e0d7 100644
--- a/drivers/iio/dac/ad5380.c
+++ b/drivers/iio/dac/ad5380.c
@@ -247,8 +247,10 @@ static struct iio_chan_spec_ext_info ad5380_ext_info[] = {
.name = "powerdown",
.read = ad5380_read_dac_powerdown,
.write = ad5380_write_dac_powerdown,
+ .shared = IIO_SEPARATE,
},
- IIO_ENUM("powerdown_mode", true, &ad5380_powerdown_mode_enum),
+ IIO_ENUM("powerdown_mode", IIO_SHARED_BY_TYPE,
+ &ad5380_powerdown_mode_enum),
IIO_ENUM_AVAILABLE("powerdown_mode", &ad5380_powerdown_mode_enum),
{ },
};
diff --git a/drivers/iio/dac/ad5446.c b/drivers/iio/dac/ad5446.c
index 96e9ed4c2d01..6dcb6d93f0e4 100644
--- a/drivers/iio/dac/ad5446.c
+++ b/drivers/iio/dac/ad5446.c
@@ -132,8 +132,9 @@ static const struct iio_chan_spec_ext_info ad5446_ext_info_powerdown[] = {
.name = "powerdown",
.read = ad5446_read_dac_powerdown,
.write = ad5446_write_dac_powerdown,
+ .shared = IIO_SEPARATE,
},
- IIO_ENUM("powerdown_mode", false, &ad5446_powerdown_mode_enum),
+ IIO_ENUM("powerdown_mode", IIO_SEPARATE, &ad5446_powerdown_mode_enum),
IIO_ENUM_AVAILABLE("powerdown_mode", &ad5446_powerdown_mode_enum),
{ },
};
diff --git a/drivers/iio/dac/ad5504.c b/drivers/iio/dac/ad5504.c
index caffb16bc05c..31f4ff29f914 100644
--- a/drivers/iio/dac/ad5504.c
+++ b/drivers/iio/dac/ad5504.c
@@ -248,8 +248,10 @@ static const struct iio_chan_spec_ext_info ad5504_ext_info[] = {
.name = "powerdown",
.read = ad5504_read_dac_powerdown,
.write = ad5504_write_dac_powerdown,
+ .shared = IIO_SEPARATE,
},
- IIO_ENUM("powerdown_mode", true, &ad5504_powerdown_mode_enum),
+ IIO_ENUM("powerdown_mode", IIO_SHARED_BY_TYPE,
+ &ad5504_powerdown_mode_enum),
IIO_ENUM_AVAILABLE("powerdown_mode", &ad5504_powerdown_mode_enum),
{ },
};
diff --git a/drivers/iio/dac/ad5624r_spi.c b/drivers/iio/dac/ad5624r_spi.c
index 714af757cd56..dbb1289cc7a6 100644
--- a/drivers/iio/dac/ad5624r_spi.c
+++ b/drivers/iio/dac/ad5624r_spi.c
@@ -163,8 +163,10 @@ static const struct iio_chan_spec_ext_info ad5624r_ext_info[] = {
.name = "powerdown",
.read = ad5624r_read_dac_powerdown,
.write = ad5624r_write_dac_powerdown,
+ .shared = IIO_SEPARATE,
},
- IIO_ENUM("powerdown_mode", true, &ad5624r_powerdown_mode_enum),
+ IIO_ENUM("powerdown_mode", IIO_SHARED_BY_TYPE,
+ &ad5624r_powerdown_mode_enum),
IIO_ENUM_AVAILABLE("powerdown_mode", &ad5624r_powerdown_mode_enum),
{ },
};
diff --git a/drivers/iio/dac/ad5686.c b/drivers/iio/dac/ad5686.c
index 3e1080feedbf..f472b48445f6 100644
--- a/drivers/iio/dac/ad5686.c
+++ b/drivers/iio/dac/ad5686.c
@@ -264,8 +264,9 @@ static const struct iio_chan_spec_ext_info ad5686_ext_info[] = {
.name = "powerdown",
.read = ad5686_read_dac_powerdown,
.write = ad5686_write_dac_powerdown,
+ .shared = IIO_SEPARATE,
},
- IIO_ENUM("powerdown_mode", false, &ad5686_powerdown_mode_enum),
+ IIO_ENUM("powerdown_mode", IIO_SEPARATE, &ad5686_powerdown_mode_enum),
IIO_ENUM_AVAILABLE("powerdown_mode", &ad5686_powerdown_mode_enum),
{ },
};
diff --git a/drivers/iio/dac/ad5755.c b/drivers/iio/dac/ad5755.c
index 36a4361aece1..f305a0c83418 100644
--- a/drivers/iio/dac/ad5755.c
+++ b/drivers/iio/dac/ad5755.c
@@ -386,6 +386,7 @@ static const struct iio_chan_spec_ext_info ad5755_ext_info[] = {
.name = "powerdown",
.read = ad5755_read_powerdown,
.write = ad5755_write_powerdown,
+ .shared = IIO_SEPARATE,
},
{ },
};
diff --git a/drivers/iio/dac/ad5791.c b/drivers/iio/dac/ad5791.c
index ce7458963309..3cee89be68c3 100644
--- a/drivers/iio/dac/ad5791.c
+++ b/drivers/iio/dac/ad5791.c
@@ -287,11 +287,12 @@ static int ad5791_read_raw(struct iio_dev *indio_dev,
static const struct iio_chan_spec_ext_info ad5791_ext_info[] = {
{
.name = "powerdown",
- .shared = true,
+ .shared = IIO_SHARED_BY_TYPE,
.read = ad5791_read_dac_powerdown,
.write = ad5791_write_dac_powerdown,
},
- IIO_ENUM("powerdown_mode", true, &ad5791_powerdown_mode_enum),
+ IIO_ENUM("powerdown_mode", IIO_SHARED_BY_TYPE,
+ &ad5791_powerdown_mode_enum),
IIO_ENUM_AVAILABLE("powerdown_mode", &ad5791_powerdown_mode_enum),
{ },
};
diff --git a/drivers/iio/dac/ad7303.c b/drivers/iio/dac/ad7303.c
index ed2d276477bd..d0505fd22ef4 100644
--- a/drivers/iio/dac/ad7303.c
+++ b/drivers/iio/dac/ad7303.c
@@ -169,6 +169,7 @@ static const struct iio_chan_spec_ext_info ad7303_ext_info[] = {
.name = "powerdown",
.read = ad7303_read_dac_powerdown,
.write = ad7303_write_dac_powerdown,
+ .shared = IIO_SEPARATE,
},
{ },
};
diff --git a/drivers/iio/dac/mcp4725.c b/drivers/iio/dac/mcp4725.c
index 1f4a48e6a82c..6711a33b16ba 100644
--- a/drivers/iio/dac/mcp4725.c
+++ b/drivers/iio/dac/mcp4725.c
@@ -195,8 +195,9 @@ static const struct iio_chan_spec_ext_info mcp4725_ext_info[] = {
.name = "powerdown",
.read = mcp4725_read_powerdown,
.write = mcp4725_write_powerdown,
+ .shared = IIO_SEPARATE,
},
- IIO_ENUM("powerdown_mode", false, &mcp4725_powerdown_mode_enum),
+ IIO_ENUM("powerdown_mode", IIO_SEPARATE, &mcp4725_powerdown_mode_enum),
IIO_ENUM_AVAILABLE("powerdown_mode", &mcp4725_powerdown_mode_enum),
{ },
};
diff --git a/drivers/iio/frequency/adf4350.c b/drivers/iio/frequency/adf4350.c
index a7b30be86ae0..85152547aa8b 100644
--- a/drivers/iio/frequency/adf4350.c
+++ b/drivers/iio/frequency/adf4350.c
@@ -351,6 +351,7 @@ static ssize_t adf4350_read(struct iio_dev *indio_dev,
.read = adf4350_read, \
.write = adf4350_write, \
.private = _ident, \
+ .shared = IIO_SEPARATE, \
}
static const struct iio_chan_spec_ext_info adf4350_ext_info[] = {
diff --git a/drivers/iio/iio_core.h b/drivers/iio/iio_core.h
index 05c1b74502a3..6be5ab864b1a 100644
--- a/drivers/iio/iio_core.h
+++ b/drivers/iio/iio_core.h
@@ -30,7 +30,7 @@ int __iio_add_chan_devattr(const char *postfix,
const char *buf,
size_t len),
u64 mask,
- bool generic,
+ enum iio_shared_by shared_by,
struct device *dev,
struct list_head *attr_list);
diff --git a/drivers/iio/industrialio-buffer.c b/drivers/iio/industrialio-buffer.c
index 96e97ad2538c..7ea2edbf7614 100644
--- a/drivers/iio/industrialio-buffer.c
+++ b/drivers/iio/industrialio-buffer.c
@@ -208,7 +208,7 @@ static int iio_buffer_add_channel_sysfs(struct iio_dev *indio_dev,
&iio_show_scan_index,
NULL,
0,
- 0,
+ IIO_SEPARATE,
&indio_dev->dev,
&buffer->scan_el_dev_attr_list);
if (ret)
diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
index 2cb4841d5357..d380c7278a26 100644
--- a/drivers/iio/industrialio-core.c
+++ b/drivers/iio/industrialio-core.c
@@ -517,14 +517,15 @@ int __iio_device_attr_init(struct device_attribute *dev_attr,
struct device_attribute *attr,
const char *buf,
size_t len),
- bool generic)
+ enum iio_shared_by shared_by)
{
- int ret;
- char *name_format, *full_postfix;
+ int ret = 0;
+ char *name_format = NULL;
+ char *full_postfix;
sysfs_attr_init(&dev_attr->attr);
/* Build up postfix of <extend_name>_<modifier>_postfix */
- if (chan->modified && !generic) {
+ if (chan->modified && (shared_by == IIO_SEPARATE)) {
if (chan->extend_name)
full_postfix = kasprintf(GFP_KERNEL, "%s_%s_%s",
iio_modifier_names[chan
@@ -545,53 +546,62 @@ int __iio_device_attr_init(struct device_attribute *dev_attr,
chan->extend_name,
postfix);
}
- if (full_postfix == NULL) {
- ret = -ENOMEM;
- goto error_ret;
- }
+ if (full_postfix == NULL)
+ return -ENOMEM;
if (chan->differential) { /* Differential can not have modifier */
- if (generic)
+ switch (shared_by) {
+ case IIO_SHARED_BY_TYPE:
name_format
= kasprintf(GFP_KERNEL, "%s_%s-%s_%s",
iio_direction[chan->output],
iio_chan_type_name_spec[chan->type],
iio_chan_type_name_spec[chan->type],
full_postfix);
- else if (chan->indexed)
+ break;
+ case IIO_SEPARATE:
+ if (!chan->indexed) {
+ WARN_ON("Differential channels must be indexed\n");
+ ret = -EINVAL;
+ goto error_free_full_postfix;
+ }
name_format
- = kasprintf(GFP_KERNEL, "%s_%s%d-%s%d_%s",
+ = kasprintf(GFP_KERNEL,
+ "%s_%s%d-%s%d_%s",
iio_direction[chan->output],
iio_chan_type_name_spec[chan->type],
chan->channel,
iio_chan_type_name_spec[chan->type],
chan->channel2,
full_postfix);
- else {
- WARN_ON("Differential channels must be indexed\n");
- ret = -EINVAL;
- goto error_free_full_postfix;
+ break;
}
} else { /* Single ended */
- if (generic)
- name_format
- = kasprintf(GFP_KERNEL, "%s_%s_%s",
- iio_direction[chan->output],
- iio_chan_type_name_spec[chan->type],
- full_postfix);
- else if (chan->indexed)
- name_format
- = kasprintf(GFP_KERNEL, "%s_%s%d_%s",
- iio_direction[chan->output],
- iio_chan_type_name_spec[chan->type],
- chan->channel,
- full_postfix);
- else
+ switch (shared_by) {
+ case IIO_SHARED_BY_TYPE:
name_format
= kasprintf(GFP_KERNEL, "%s_%s_%s",
iio_direction[chan->output],
iio_chan_type_name_spec[chan->type],
full_postfix);
+ break;
+
+ case IIO_SEPARATE:
+ if (chan->indexed)
+ name_format
+ = kasprintf(GFP_KERNEL, "%s_%s%d_%s",
+ iio_direction[chan->output],
+ iio_chan_type_name_spec[chan->type],
+ chan->channel,
+ full_postfix);
+ else
+ name_format
+ = kasprintf(GFP_KERNEL, "%s_%s_%s",
+ iio_direction[chan->output],
+ iio_chan_type_name_spec[chan->type],
+ full_postfix);
+ break;
+ }
}
if (name_format == NULL) {
ret = -ENOMEM;
@@ -615,16 +625,11 @@ int __iio_device_attr_init(struct device_attribute *dev_attr,
dev_attr->attr.mode |= S_IWUSR;
dev_attr->store = writefunc;
}
- kfree(name_format);
- kfree(full_postfix);
-
- return 0;
-
error_free_name_format:
kfree(name_format);
error_free_full_postfix:
kfree(full_postfix);
-error_ret:
+
return ret;
}
@@ -643,7 +648,7 @@ int __iio_add_chan_devattr(const char *postfix,
const char *buf,
size_t len),
u64 mask,
- bool generic,
+ enum iio_shared_by shared_by,
struct device *dev,
struct list_head *attr_list)
{
@@ -657,7 +662,7 @@ int __iio_add_chan_devattr(const char *postfix,
}
ret = __iio_device_attr_init(&iio_attr->dev_attr,
postfix, chan,
- readfunc, writefunc, generic);
+ readfunc, writefunc, shared_by);
if (ret)
goto error_iio_dev_attr_free;
iio_attr->c = chan;
@@ -665,7 +670,7 @@ int __iio_add_chan_devattr(const char *postfix,
list_for_each_entry(t, attr_list, l)
if (strcmp(t->dev_attr.attr.name,
iio_attr->dev_attr.attr.name) == 0) {
- if (!generic)
+ if (shared_by == IIO_SEPARATE)
dev_err(dev, "tried to double register : %s\n",
t->dev_attr.attr.name);
ret = -EBUSY;
@@ -683,46 +688,54 @@ error_ret:
return ret;
}
-static int iio_device_add_channel_sysfs(struct iio_dev *indio_dev,
- struct iio_chan_spec const *chan)
+static int iio_device_add_info_mask_type(struct iio_dev *indio_dev,
+ struct iio_chan_spec const *chan,
+ enum iio_shared_by shared_by,
+ const long *infomask)
{
- int ret, attrcount = 0;
- int i;
- const struct iio_chan_spec_ext_info *ext_info;
+ int i, ret, attrcount = 0;
- if (chan->channel < 0)
- return 0;
- for_each_set_bit(i, &chan->info_mask_separate, sizeof(long)*8) {
+ for_each_set_bit(i, infomask, sizeof(infomask)*8) {
ret = __iio_add_chan_devattr(iio_chan_info_postfix[i],
chan,
&iio_read_channel_info,
&iio_write_channel_info,
i,
- 0,
+ shared_by,
&indio_dev->dev,
&indio_dev->channel_attr_list);
- if (ret < 0)
- goto error_ret;
- attrcount++;
- }
- for_each_set_bit(i, &chan->info_mask_shared_by_type, sizeof(long)*8) {
- ret = __iio_add_chan_devattr(iio_chan_info_postfix[i],
- chan,
- &iio_read_channel_info,
- &iio_write_channel_info,
- i,
- 1,
- &indio_dev->dev,
- &indio_dev->channel_attr_list);
- if (ret == -EBUSY) {
- ret = 0;
+ if ((ret == -EBUSY) && (shared_by != IIO_SEPARATE))
continue;
- } else if (ret < 0) {
- goto error_ret;
- }
+ else if (ret < 0)
+ return ret;
attrcount++;
}
+ return attrcount;
+}
+
+static int iio_device_add_channel_sysfs(struct iio_dev *indio_dev,
+ struct iio_chan_spec const *chan)
+{
+ int ret, attrcount = 0;
+ const struct iio_chan_spec_ext_info *ext_info;
+
+ if (chan->channel < 0)
+ return 0;
+ ret = iio_device_add_info_mask_type(indio_dev, chan,
+ IIO_SEPARATE,
+ &chan->info_mask_separate);
+ if (ret < 0)
+ return ret;
+ attrcount += ret;
+
+ ret = iio_device_add_info_mask_type(indio_dev, chan,
+ IIO_SHARED_BY_TYPE,
+ &chan->info_mask_shared_by_type);
+ if (ret < 0)
+ return ret;
+ attrcount += ret;
+
if (chan->ext_info) {
unsigned int i = 0;
for (ext_info = chan->ext_info; ext_info->name; ext_info++) {
@@ -741,15 +754,13 @@ static int iio_device_add_channel_sysfs(struct iio_dev *indio_dev,
continue;
if (ret)
- goto error_ret;
+ return ret;
attrcount++;
}
}
- ret = attrcount;
-error_ret:
- return ret;
+ return attrcount;
}
static void iio_device_remove_and_free_read_attr(struct iio_dev *indio_dev,
diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h
index bc408e2def40..21de272f1eb6 100644
--- a/include/linux/iio/iio.h
+++ b/include/linux/iio/iio.h
@@ -39,6 +39,11 @@ enum iio_chan_info_enum {
IIO_CHAN_INFO_INT_TIME,
};
+enum iio_shared_by {
+ IIO_SEPARATE,
+ IIO_SHARED_BY_TYPE
+};
+
enum iio_endian {
IIO_CPU,
IIO_BE,
@@ -58,7 +63,7 @@ struct iio_dev;
*/
struct iio_chan_spec_ext_info {
const char *name;
- bool shared;
+ enum iio_shared_by shared;
ssize_t (*read)(struct iio_dev *, uintptr_t private,
struct iio_chan_spec const *, char *buf);
ssize_t (*write)(struct iio_dev *, uintptr_t private,
@@ -126,7 +131,7 @@ ssize_t iio_enum_write(struct iio_dev *indio_dev,
#define IIO_ENUM_AVAILABLE(_name, _e) \
{ \
.name = (_name "_available"), \
- .shared = true, \
+ .shared = IIO_SHARED_BY_TYPE, \
.read = iio_enum_available_read, \
.private = (uintptr_t)(_e), \
}
generated by cgit v1.2.3 (git 2.0.4) at 2024-05-28 12:01:57 +0000