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iio:accel:stk8312: drop local buffer

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Drop the local buffer in stk8312_trigger_handler() and use data->buffer
instead for bulk reads.

Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Reviewed-by: Tiberiu Breana <tiberiu.a.breana@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Hartmut Knaack 2015-07-29 23:39:40 +02:00 committed by Jonathan Cameron
parent dca5d28465
commit 7a9fbd250c
1 changed files with 1 additions and 5 deletions
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6
drivers/iio/accel/stk8312.c
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@ -435,7 +435,6 @@ static irqreturn_t stk8312_trigger_handler(int irq, void *p)
struct iio_dev *indio_dev = pf->indio_dev;
struct stk8312_data *data = iio_priv(indio_dev);
int bit, ret, i = 0;
u8 buffer[STK8312_ALL_CHANNEL_SIZE];
mutex_lock(&data->lock);
/*
@ -446,15 +445,12 @@ static irqreturn_t stk8312_trigger_handler(int irq, void *p)
ret = i2c_smbus_read_i2c_block_data(data->client,
STK8312_REG_XOUT,
STK8312_ALL_CHANNEL_SIZE,
buffer);
data->buffer);
if (ret < STK8312_ALL_CHANNEL_SIZE) {
dev_err(&data->client->dev, "register read failed\n");
mutex_unlock(&data->lock);
goto err;
}
data->buffer[0] = buffer[0];
data->buffer[1] = buffer[1];
data->buffer[2] = buffer[2];
} else {
for_each_set_bit(bit, indio_dev->active_scan_mask,
indio_dev->masklength) {