From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:51868 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752720AbcGYAaG (ORCPT ); Sun, 24 Jul 2016 20:30:06 -0400 Subject: Patch "iio: hudmidity: hdc100x: fix incorrect shifting and scaling" has been added to the 4.4-stable tree To: mranostay@gmail.com, amsfield22@gmail.com, gregkh@linuxfoundation.org, jic23@kernel.org Cc: , From: Date: Sun, 24 Jul 2016 17:30:22 -0700 Message-ID: <146940662215995@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled iio: hudmidity: hdc100x: fix incorrect shifting and scaling to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: iio-hudmidity-hdc100x-fix-incorrect-shifting-and-scaling.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 94bef000f1d4aa111f4ddda1482cf3b30ad069ce Mon Sep 17 00:00:00 2001 From: Matt Ranostay Date: Sun, 29 May 2016 19:52:02 -0700 Subject: iio: hudmidity: hdc100x: fix incorrect shifting and scaling From: Matt Ranostay commit 94bef000f1d4aa111f4ddda1482cf3b30ad069ce upstream. Shifting sensor data to the right 2 bits was incorrect and caused the scaling values + offsets to be invalid. Reported-by: Alison Schofield Signed-off-by: Matt Ranostay Tested-by: Alison Schofield Signed-off-by: Jonathan Cameron Signed-off-by: Greg Kroah-Hartman --- drivers/iio/humidity/hdc100x.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) --- a/drivers/iio/humidity/hdc100x.c +++ b/drivers/iio/humidity/hdc100x.c @@ -164,14 +164,14 @@ static int hdc100x_get_measurement(struc dev_err(&client->dev, "cannot read high byte measurement"); return ret; } - val = ret << 6; + val = ret << 8; ret = i2c_smbus_read_byte(client); if (ret < 0) { dev_err(&client->dev, "cannot read low byte measurement"); return ret; } - val |= ret >> 2; + val |= ret; return val; } @@ -212,17 +212,17 @@ static int hdc100x_read_raw(struct iio_d case IIO_CHAN_INFO_SCALE: if (chan->type == IIO_TEMP) { *val = 165000; - *val2 = 65536 >> 2; + *val2 = 65536; return IIO_VAL_FRACTIONAL; } else { - *val = 0; - *val2 = 10000; - return IIO_VAL_INT_PLUS_MICRO; + *val = 100; + *val2 = 65536; + return IIO_VAL_FRACTIONAL; } break; case IIO_CHAN_INFO_OFFSET: - *val = -3971; - *val2 = 879096; + *val = -15887; + *val2 = 515151; return IIO_VAL_INT_PLUS_MICRO; default: return -EINVAL; Patches currently in stable-queue which might be from mranostay@gmail.com are queue-4.4/iio-hudmidity-hdc100x-fix-incorrect-shifting-and-scaling.patch queue-4.4/iio-proximity-as3935-fix-buffer-stack-trashing.patch queue-4.4/iio-light-apds9960-add-the-missing-dev.parent.patch queue-4.4/iio-proximity-as3935-correct-iio_chan_info_raw-output.patch queue-4.4/iio-proximity-as3935-remove-triggered-buffer-processing.patch queue-4.4/iio-humidity-hdc100x-correct-humidity-integration-time-mask.patch queue-4.4/iio-humidity-hdc100x-fix-iio_temp-channel-reporting.patch