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* FAILED: patch "[PATCH] iio: pressure: st_pressure_core: disable multiread by default" failed to apply to 4.9-stable tree
@ 2017-08-13 21:58 gregkh
  0 siblings, 0 replies; only message in thread
From: gregkh @ 2017-08-13 21:58 UTC (permalink / raw)
  To: lorenzo.bianconi83, Stable, jic23, lorenzo.bianconi; +Cc: stable


The patch below does not apply to the 4.9-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@vger.kernel.org>.

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

>From add6e6ab3ee0e237822e0951476d3df039b49ec8 Mon Sep 17 00:00:00 2001
From: Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
Date: Thu, 22 Jun 2017 19:46:43 +0200
Subject: [PATCH] iio: pressure: st_pressure_core: disable multiread by default
 for LPS22HB

Set multiread variable to false for LPS22HB pressure sensor since
it is already enabled in CTRL_REG2. Previous configuration does not
cause any issue in I2C communication since SUB Msb has no meaning
whereas it breaks register address in SPI communication

Fixes: e039e2f5b4da (iio:st_pressure:initial lps22hb sensor support)
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@st.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/drivers/iio/pressure/st_pressure_core.c b/drivers/iio/pressure/st_pressure_core.c
index fd0edca0e656..99448012b47f 100644
--- a/drivers/iio/pressure/st_pressure_core.c
+++ b/drivers/iio/pressure/st_pressure_core.c
@@ -456,7 +456,7 @@ static const struct st_sensor_settings st_press_sensors_settings[] = {
 			.mask_od = 0x40,
 			.addr_stat_drdy = ST_SENSORS_DEFAULT_STAT_ADDR,
 		},
-		.multi_read_bit = true,
+		.multi_read_bit = false,
 		.bootime = 2,
 	},
 };

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2017-08-13 21:58 FAILED: patch "[PATCH] iio: pressure: st_pressure_core: disable multiread by default" failed to apply to 4.9-stable tree gregkh

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