xiaomi-sm8450/android_kernel_xiaomi_sm8450
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staging:iio: Add support for multiple buffers

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Route all buffer writes through the demux.
Addition or removal of a buffer results in tear down and
setup of all the buffers for a given device.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Tested-by: srinivas pandruvada <srinivas.pandruvada@intel.com>
This commit is contained in:
Jonathan Cameron
2012-06-30 20:06:00 +01:00
parent 4eb3ccf157
commit 84b36ce5f7
30 changed files with 313 additions and 210 deletions
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3
drivers/iio/adc/at91_adc.c
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@@ -65,7 +65,6 @@ static irqreturn_t at91_adc_trigger_handler(int irq, void *p)
struct iio_poll_func *pf = p;
struct iio_dev *idev = pf->indio_dev;
struct at91_adc_state *st = iio_priv(idev);
struct iio_buffer *buffer = idev->buffer;
int i, j = 0;
for (i = 0; i < idev->masklength; i++) {
@@ -81,7 +80,7 @@ static irqreturn_t at91_adc_trigger_handler(int irq, void *p)
*timestamp = pf->timestamp;
}
iio_push_to_buffer(buffer, st->buffer);
iio_push_to_buffers(indio_dev, (u8 *)st->buffer);
iio_trigger_notify_done(idev->trig);