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author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-03-27 11:32:29 -0300 |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-03-27 11:32:29 -0300 |
commit | 50953e0640b3473dcb409d5d0d938c2742c93b0d (patch) | |
tree | 3b0dc374e61564fbbd8adff92c8fae16fdeb423a /drivers/staging/iio/dac/ad5446.c | |
parent | f92c97c8bd77992ff8bd6ef29a23dc82dca799cb (diff) | |
parent | 626cf236608505d376e4799adb4f7eb00a8594af (diff) | |
download | op-kernel-dev-50953e0640b3473dcb409d5d0d938c2742c93b0d.zip op-kernel-dev-50953e0640b3473dcb409d5d0d938c2742c93b0d.tar.gz |
Merge branch 'poll' into staging/for_v3.4
* poll: (5970 commits)
poll: add poll_requested_events() and poll_does_not_wait() functions
crc32: select an algorithm via Kconfig
crc32: add self-test code for crc32c
crypto: crc32c should use library implementation
crc32: bolt on crc32c
crc32: add note about this patchset to crc32.c
crc32: optimize loop counter for x86
crc32: add slice-by-8 algorithm to existing code
crc32: make CRC_*_BITS definition correspond to actual bit counts
crc32: fix mixing of endian-specific types
crc32: miscellaneous cleanups
crc32: simplify unit test code
crc32: move long comment about crc32 fundamentals to Documentation/
crc32: remove two instances of trailing whitespaces
checkpatch: check for quoted strings broken across lines
checkpatch: whitespace - add/remove blank lines
checkpatch: warn on use of yield()
checkpatch: add --strict tests for braces, comments and casts
checkpatch: add [] to type extensions
checkpatch: high precedence operators do not require additional parentheses in #defines
...
Diffstat (limited to 'drivers/staging/iio/dac/ad5446.c')
-rw-r--r-- | drivers/staging/iio/dac/ad5446.c | 35 |
1 files changed, 11 insertions, 24 deletions
diff --git a/drivers/staging/iio/dac/ad5446.c b/drivers/staging/iio/dac/ad5446.c index 693e748..633ffbb 100644 --- a/drivers/staging/iio/dac/ad5446.c +++ b/drivers/staging/iio/dac/ad5446.c @@ -149,30 +149,8 @@ static struct attribute *ad5446_attributes[] = { NULL, }; -static umode_t ad5446_attr_is_visible(struct kobject *kobj, - struct attribute *attr, int n) -{ - struct device *dev = container_of(kobj, struct device, kobj); - struct iio_dev *indio_dev = dev_get_drvdata(dev); - struct ad5446_state *st = iio_priv(indio_dev); - - umode_t mode = attr->mode; - - if (!st->chip_info->store_pwr_down && - (attr == &iio_dev_attr_out_voltage0_powerdown.dev_attr.attr || - attr == &iio_dev_attr_out_voltage_powerdown_mode. - dev_attr.attr || - attr == - &iio_const_attr_out_voltage_powerdown_mode_available. - dev_attr.attr)) - mode = 0; - - return mode; -} - static const struct attribute_group ad5446_attribute_group = { .attrs = ad5446_attributes, - .is_visible = ad5446_attr_is_visible, }; #define AD5446_CHANNEL(bits, storage, shift) { \ @@ -321,6 +299,12 @@ static const struct iio_info ad5446_info = { .driver_module = THIS_MODULE, }; +static const struct iio_info ad5446_info_no_pwr_down = { + .read_raw = ad5446_read_raw, + .write_raw = ad5446_write_raw, + .driver_module = THIS_MODULE, +}; + static int __devinit ad5446_probe(struct spi_device *spi) { struct ad5446_state *st; @@ -350,10 +334,13 @@ static int __devinit ad5446_probe(struct spi_device *spi) st->reg = reg; st->spi = spi; - /* Estabilish that the iio_dev is a child of the spi device */ + /* Establish that the iio_dev is a child of the spi device */ indio_dev->dev.parent = &spi->dev; indio_dev->name = spi_get_device_id(spi)->name; - indio_dev->info = &ad5446_info; + if (st->chip_info->store_pwr_down) + indio_dev->info = &ad5446_info; + else + indio_dev->info = &ad5446_info_no_pwr_down; indio_dev->modes = INDIO_DIRECT_MODE; indio_dev->channels = &st->chip_info->channel; indio_dev->num_channels = 1; |