---

yaml --- r: 217109 b: refs/heads/master c: 2a7fade h: refs/heads/master i: 217107: 5165649 v: v3
git-mirror · Oct 25, 2010 · 42811fa · 42811fa
1 parent c1ef425
commit 42811fa
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Showing 3 changed files with 13 additions and 9 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 821f664644c2da9e1a51e36751abedf49d4332e0
+refs/heads/master: 2a7fade7e03a7c773f91e2e5ff26ad6fafda5a9f
diff --git a/trunk/drivers/hwmon/lis3lv02d.c b/trunk/drivers/hwmon/lis3lv02d.c
@@ -307,19 +307,22 @@ void lis3lv02d_poweron(struct lis3lv02d *lis3)
 
 	lis3->init(lis3);
 
-	/* LIS3 power on delay is quite long */
-	msleep(lis3->pwron_delay / lis3lv02d_get_odr());
-
 	/*
 	 * Common configuration
 	 * BDU: (12 bits sensors only) LSB and MSB values are not updated until
 	 *      both have been read. So the value read will always be correct.
+	 * Set BOOT bit to refresh factory tuning values.
 	 */
-	if (lis3->whoami ==  WAI_12B) {
-		lis3->read(lis3, CTRL_REG2, &reg);
-		reg |= CTRL2_BDU;
-		lis3->write(lis3, CTRL_REG2, reg);
-	}
+	lis3->read(lis3, CTRL_REG2, &reg);
+	if (lis3->whoami ==  WAI_12B)
+		reg |= CTRL2_BDU | CTRL2_BOOT;
+	else
+		reg |= CTRL2_BOOT_8B;
+	lis3->write(lis3, CTRL_REG2, reg);
+
+	/* LIS3 power on delay is quite long */
+	msleep(lis3->pwron_delay / lis3lv02d_get_odr());
+
 	if (lis3->reg_ctrl)
 		lis3_context_restore(lis3);
 }

diff --git a/trunk/drivers/hwmon/lis3lv02d.h b/trunk/drivers/hwmon/lis3lv02d.h
@@ -150,6 +150,7 @@ enum lis3lv02d_ctrl4_3dc {
 enum lis302d_ctrl2 {
 	HP_FF_WU2	= 0x08,
 	HP_FF_WU1	= 0x04,
+	CTRL2_BOOT_8B   = 0x40,
 };
 
 enum lis3lv02d_ctrl3 {