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authorLinus Torvalds <torvalds@linux-foundation.org>2011-04-07 11:36:44 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-04-07 11:36:44 -0700
commitdf9b29d13e043e134e65b9f66b68fa7eae5db8f0 (patch)
treef2c9ec8792a35bf0ea0b7227cad7275a5b1d0453 /drivers/staging/iio/imu/adis16400_ring.c
parent7bc30c23c8ace3821a6732bfbe7e8f1b0995a63e (diff)
parent28276a28d8b3cd19f4449991faad4945fe557656 (diff)
Merge branch 'staging-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6
* 'staging-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6: (28 commits) staging: usbip: bugfix for isochronous packets and optimization staging: usbip: bugfix add number of packets for isochronous frames staging: usbip: bugfixes related to kthread conversion staging: usbip: fix shutdown problems. staging: hv: Fix GARP not sent after Quick Migration staging: IIO: IMU: ADIS16400: Avoid using printk facility directly staging: IIO: IMU: ADIS16400: Fix product ID check, skip embedded revision number staging: IIO: IMU: ADIS16400: Make sure only enabled scan_elements are pushed into the ring staging: IIO: IMU: ADIS16400: Fix addresses of GYRO and ACCEL calibration offset staging: IIO: IMU: ADIS16400: Add delay after self test staging: IIO: IMU: ADIS16400: Fix up SPI messages cs_change behavior staging/rtl81*: build as loadable modules only staging: brcm80211: removed 'is_amsdu causing toss' log spam staging: brcm80211: fix for 'Short CCK' log spam staging: brcm80211: fix for 'AC_BE txop..' logs spammed problem staging: memrar: remove driver from tree staging: sep: remove last memrar remnants staging: fix hv_mouse build, needs delay.h staging: fix olpc_dcon build errors staging: sm7xx: fixed defines ... Fix up trivial conflict in drivers/staging/memrar/memrar_handler.c (deleted vs trivial spelling fixes)
Diffstat (limited to 'drivers/staging/iio/imu/adis16400_ring.c')
-rw-r--r--drivers/staging/iio/imu/adis16400_ring.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/staging/iio/imu/adis16400_ring.c b/drivers/staging/iio/imu/adis16400_ring.c
index 33293fba9bcc..da28cb4288af 100644
--- a/drivers/staging/iio/imu/adis16400_ring.c
+++ b/drivers/staging/iio/imu/adis16400_ring.c
@@ -122,12 +122,10 @@ static int adis16400_spi_read_burst(struct device *dev, u8 *rx)
.tx_buf = st->tx,
.bits_per_word = 8,
.len = 2,
- .cs_change = 0,
}, {
.rx_buf = rx,
.bits_per_word = 8,
.len = 24,
- .cs_change = 1,
},
};
@@ -162,9 +160,10 @@ static void adis16400_trigger_bh_to_ring(struct work_struct *work_s)
work_trigger_to_ring);
struct iio_ring_buffer *ring = st->indio_dev->ring;
- int i = 0;
+ int i = 0, j;
s16 *data;
size_t datasize = ring->access.get_bytes_per_datum(ring);
+ unsigned long mask = ring->scan_mask;
data = kmalloc(datasize , GFP_KERNEL);
if (data == NULL) {
@@ -174,9 +173,12 @@ static void adis16400_trigger_bh_to_ring(struct work_struct *work_s)
if (ring->scan_count)
if (adis16400_spi_read_burst(&st->indio_dev->dev, st->rx) >= 0)
- for (; i < ring->scan_count; i++)
+ for (; i < ring->scan_count; i++) {
+ j = __ffs(mask);
+ mask &= ~(1 << j);
data[i] = be16_to_cpup(
- (__be16 *)&(st->rx[i*2]));
+ (__be16 *)&(st->rx[j*2]));
+ }
/* Guaranteed to be aligned with 8 byte boundary */
if (ring->scan_timestamp)