diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-05-02 11:48:07 -0700 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-05-02 11:48:07 -0700 |
commit | d210267741fb2a8b6d741d9040703683a39087f4 (patch) | |
tree | bfc1cdf7925644367cec4c82f2a5fb6d4c51a8eb /drivers/staging/iio/adc/ad7192.c | |
parent | 69964ea4c7b68c9399f7977aa5b9aa6539a6a98a (diff) | |
parent | 5bb196ad29c58c3e69dde8ed34b99a07c0719e7f (diff) | |
download | linux-d210267741fb2a8b6d741d9040703683a39087f4.tar.bz2 |
Merge 3.4-rc5 into staging-next
This resolves the conflict in:
drivers/staging/vt6656/ioctl.c
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/iio/adc/ad7192.c')
-rw-r--r-- | drivers/staging/iio/adc/ad7192.c | 69 |
1 files changed, 30 insertions, 39 deletions
diff --git a/drivers/staging/iio/adc/ad7192.c b/drivers/staging/iio/adc/ad7192.c index 9fd6d63d2999..d5655e3b8efd 100644 --- a/drivers/staging/iio/adc/ad7192.c +++ b/drivers/staging/iio/adc/ad7192.c @@ -1,7 +1,7 @@ /* * AD7190 AD7192 AD7195 SPI ADC driver * - * Copyright 2011 Analog Devices Inc. + * Copyright 2011-2012 Analog Devices Inc. * * Licensed under the GPL-2. */ @@ -17,12 +17,12 @@ #include <linux/sched.h> #include <linux/delay.h> -#include "../iio.h" -#include "../sysfs.h" -#include "../buffer.h" -#include "../ring_sw.h" -#include "../trigger.h" -#include "../trigger_consumer.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> +#include <linux/iio/buffer.h> +#include <linux/iio/kfifo_buf.h> +#include <linux/iio/trigger.h> +#include <linux/iio/trigger_consumer.h> #include "ad7192.h" @@ -456,31 +456,19 @@ out: static int ad7192_ring_preenable(struct iio_dev *indio_dev) { struct ad7192_state *st = iio_priv(indio_dev); - struct iio_buffer *ring = indio_dev->buffer; - size_t d_size; unsigned channel; + int ret; if (bitmap_empty(indio_dev->active_scan_mask, indio_dev->masklength)) return -EINVAL; + ret = iio_sw_buffer_preenable(indio_dev); + if (ret < 0) + return ret; + channel = find_first_bit(indio_dev->active_scan_mask, indio_dev->masklength); - d_size = bitmap_weight(indio_dev->active_scan_mask, - indio_dev->masklength) * - indio_dev->channels[0].scan_type.storagebits / 8; - - if (ring->scan_timestamp) { - d_size += sizeof(s64); - - if (d_size % sizeof(s64)) - d_size += sizeof(s64) - (d_size % sizeof(s64)); - } - - if (indio_dev->buffer->access->set_bytes_per_datum) - indio_dev->buffer->access-> - set_bytes_per_datum(indio_dev->buffer, d_size); - st->mode = (st->mode & ~AD7192_MODE_SEL(-1)) | AD7192_MODE_SEL(AD7192_MODE_CONT); st->conf = (st->conf & ~AD7192_CONF_CHAN(-1)) | @@ -533,7 +521,7 @@ static irqreturn_t ad7192_trigger_handler(int irq, void *p) indio_dev->channels[0].scan_type.realbits/8); /* Guaranteed to be aligned with 8 byte boundary */ - if (ring->scan_timestamp) + if (indio_dev->scan_timestamp) dat64[1] = pf->timestamp; ring->access->store_to(ring, (u8 *)dat64, pf->timestamp); @@ -556,7 +544,7 @@ static int ad7192_register_ring_funcs_and_init(struct iio_dev *indio_dev) { int ret; - indio_dev->buffer = iio_sw_rb_allocate(indio_dev); + indio_dev->buffer = iio_kfifo_allocate(indio_dev); if (!indio_dev->buffer) { ret = -ENOMEM; goto error_ret; @@ -569,7 +557,7 @@ static int ad7192_register_ring_funcs_and_init(struct iio_dev *indio_dev) indio_dev->id); if (indio_dev->pollfunc == NULL) { ret = -ENOMEM; - goto error_deallocate_sw_rb; + goto error_deallocate_kfifo; } /* Ring buffer functions - here trigger setup related */ @@ -579,8 +567,8 @@ static int ad7192_register_ring_funcs_and_init(struct iio_dev *indio_dev) indio_dev->modes |= INDIO_BUFFER_TRIGGERED; return 0; -error_deallocate_sw_rb: - iio_sw_rb_free(indio_dev->buffer); +error_deallocate_kfifo: + iio_kfifo_free(indio_dev->buffer); error_ret: return ret; } @@ -588,7 +576,7 @@ error_ret: static void ad7192_ring_cleanup(struct iio_dev *indio_dev) { iio_dealloc_pollfunc(indio_dev->pollfunc); - iio_sw_rb_free(indio_dev->buffer); + iio_kfifo_free(indio_dev->buffer); } /** @@ -616,7 +604,7 @@ static int ad7192_probe_trigger(struct iio_dev *indio_dev) struct ad7192_state *st = iio_priv(indio_dev); int ret; - st->trig = iio_allocate_trigger("%s-dev%d", + st->trig = iio_trigger_alloc("%s-dev%d", spi_get_device_id(st->spi)->name, indio_dev->id); if (st->trig == NULL) { @@ -649,7 +637,7 @@ static int ad7192_probe_trigger(struct iio_dev *indio_dev) error_free_irq: free_irq(st->spi->irq, indio_dev); error_free_trig: - iio_free_trigger(st->trig); + iio_trigger_free(st->trig); error_ret: return ret; } @@ -660,7 +648,7 @@ static void ad7192_remove_trigger(struct iio_dev *indio_dev) iio_trigger_unregister(st->trig); free_irq(st->spi->irq, indio_dev); - iio_free_trigger(st->trig); + iio_trigger_free(st->trig); } static ssize_t ad7192_read_frequency(struct device *dev, @@ -849,7 +837,7 @@ static int ad7192_read_raw(struct iio_dev *indio_dev, bool unipolar = !!(st->conf & AD7192_CONF_UNIPOLAR); switch (m) { - case 0: + case IIO_CHAN_INFO_RAW: mutex_lock(&indio_dev->mlock); if (iio_buffer_enabled(indio_dev)) ret = -EBUSY; @@ -981,7 +969,8 @@ static const struct iio_info ad7195_info = { .extend_name = _name, \ .channel = _chan, \ .channel2 = _chan2, \ - .info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT, \ + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ + IIO_CHAN_INFO_SCALE_SHARED_BIT, \ .address = _address, \ .scan_index = _si, \ .scan_type = IIO_ST('s', 24, 32, 0)} @@ -990,7 +979,8 @@ static const struct iio_info ad7195_info = { { .type = IIO_VOLTAGE, \ .indexed = 1, \ .channel = _chan, \ - .info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT, \ + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ + IIO_CHAN_INFO_SCALE_SHARED_BIT, \ .address = _address, \ .scan_index = _si, \ .scan_type = IIO_ST('s', 24, 32, 0)} @@ -999,7 +989,8 @@ static const struct iio_info ad7195_info = { { .type = IIO_TEMP, \ .indexed = 1, \ .channel = _chan, \ - .info_mask = IIO_CHAN_INFO_SCALE_SEPARATE_BIT, \ + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ + IIO_CHAN_INFO_SCALE_SEPARATE_BIT, \ .address = _address, \ .scan_index = _si, \ .scan_type = IIO_ST('s', 24, 32, 0)} @@ -1033,7 +1024,7 @@ static int __devinit ad7192_probe(struct spi_device *spi) return -ENODEV; } - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) return -ENOMEM; @@ -1114,7 +1105,7 @@ error_put_reg: if (!IS_ERR(st->reg)) regulator_put(st->reg); - iio_free_device(indio_dev); + iio_device_free(indio_dev); return ret; } |