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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/adc/ad7192.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/adc/ad7192.c')
-rw-r--r-- | drivers/staging/iio/adc/ad7192.c | 45 |
1 files changed, 25 insertions, 20 deletions
diff --git a/drivers/staging/iio/adc/ad7192.c b/drivers/staging/iio/adc/ad7192.c index 45f4504..9fd6d63 100644 --- a/drivers/staging/iio/adc/ad7192.c +++ b/drivers/staging/iio/adc/ad7192.c @@ -561,8 +561,6 @@ static int ad7192_register_ring_funcs_and_init(struct iio_dev *indio_dev) ret = -ENOMEM; goto error_ret; } - /* Effectively select the ring buffer implementation */ - indio_dev->buffer->access = &ring_sw_access_funcs; indio_dev->pollfunc = iio_alloc_pollfunc(&iio_pollfunc_store_time, &ad7192_trigger_handler, IRQF_ONESHOT, @@ -824,25 +822,20 @@ static struct attribute *ad7192_attributes[] = { NULL }; -static umode_t ad7192_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 ad7192_state *st = iio_priv(indio_dev); - - umode_t mode = attr->mode; - - if ((st->devid != ID_AD7195) && - (attr == &iio_dev_attr_ac_excitation_en.dev_attr.attr)) - mode = 0; - - return mode; -} - static const struct attribute_group ad7192_attribute_group = { .attrs = ad7192_attributes, - .is_visible = ad7192_attr_is_visible, +}; + +static struct attribute *ad7195_attributes[] = { + &iio_dev_attr_sampling_frequency.dev_attr.attr, + &iio_dev_attr_in_v_m_v_scale_available.dev_attr.attr, + &iio_dev_attr_in_voltage_scale_available.dev_attr.attr, + &iio_dev_attr_bridge_switch_en.dev_attr.attr, + NULL +}; + +static const struct attribute_group ad7195_attribute_group = { + .attrs = ad7195_attributes, }; static int ad7192_read_raw(struct iio_dev *indio_dev, @@ -972,6 +965,15 @@ static const struct iio_info ad7192_info = { .driver_module = THIS_MODULE, }; +static const struct iio_info ad7195_info = { + .read_raw = &ad7192_read_raw, + .write_raw = &ad7192_write_raw, + .write_raw_get_fmt = &ad7192_write_raw_get_fmt, + .attrs = &ad7195_attribute_group, + .validate_trigger = ad7192_validate_trigger, + .driver_module = THIS_MODULE, +}; + #define AD7192_CHAN_DIFF(_chan, _chan2, _name, _address, _si) \ { .type = IIO_VOLTAGE, \ .differential = 1, \ @@ -1064,7 +1066,10 @@ static int __devinit ad7192_probe(struct spi_device *spi) indio_dev->channels = ad7192_channels; indio_dev->num_channels = ARRAY_SIZE(ad7192_channels); indio_dev->available_scan_masks = st->available_scan_masks; - indio_dev->info = &ad7192_info; + if (st->devid == ID_AD7195) + indio_dev->info = &ad7195_info; + else + indio_dev->info = &ad7192_info; for (i = 0; i < indio_dev->num_channels; i++) st->available_scan_masks[i] = (1 << i) | (1 << |