linux-kernel - [PATCH v3 0/2] ms5611: Add triggered buffer support

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Message-Id: <1454518238-7242-1-git-send-email-daniel.baluta@intel.com>
Date:	Wed,  3 Feb 2016 18:50:36 +0200
From:	Daniel Baluta <daniel.baluta@...el.com>
To:	jic23@...nel.org
Cc:	knaack.h@....de, lars@...afoo.de, pmeerw@...erw.net,
	linux-kernel@...r.kernel.org, linux-iio@...r.kernel.org,
	daniel.baluta@...el.com, lucas.demarchi@...el.com
Subject: [PATCH v3 0/2] ms5611: Add triggered buffer support

First patch reverts 7cb46c2a066 ("iio: pressure: ms5611: remove
IIO_CHAN_INFO_SCALE from mask") because we need the scale to correctly
transform "raw" data from buffer into correct measurement units.

Second patch adds the actual buffer support.

Changes since v2:
	* addressed comements from Jonathan
	* get timestamp inside triggered buffer handler
	* push all channels data to buffer and leave demux to take care

Changes since v1:
	* addressed comments from Peter
	* explain why the need for allocating a buffer of 4 s32 elements
	* correctly handle data copy into buffer when not all channels are enabled
	* fixed timestamp channel index (2 instead of 3)
	* added some new lines for readability

Daniel Baluta (2):
  iio: pressure: ms5611: Add IIO_CHAN_INFO_SCALE to mask
  iio: pressure: ms5611: Add triggered buffer support

 drivers/iio/pressure/Kconfig       |  1 +
 drivers/iio/pressure/ms5611.h      |  1 +
 drivers/iio/pressure/ms5611_core.c | 92 ++++++++++++++++++++++++++++++++++++--
 drivers/iio/pressure/ms5611_i2c.c  |  7 +++
 drivers/iio/pressure/ms5611_spi.c  |  8 ++++
 5 files changed, 105 insertions(+), 4 deletions(-)

-- 
2.5.0