iio: pressure: ms5611: claim direct mode during oversampling changes

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[ Upstream commit 3bc1abcddb ]

Driver was checking for direct mode before changing oversampling
ratios, but was not locking it.  Use the claim/release helper
functions to guarantee the device stays in direct mode while the
oversampling ratios are being updated.  Continue to use the drivers
private state lock to protect against conflicting direct mode access
of the state data.

Signed-off-by: Alison Schofield <amsfield22@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Alison Schofield 2017-01-20 12:22:58 -08:00 • committed by Greg Kroah-Hartman

parent 19d0541bd2

commit 87e4965cec

1 changed files with 7 additions and 5 deletions

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drivers/iio/pressure/ms5611_core.c

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