linux-kernel - [PATCH] bma150: extend chip detection for bma180

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Date:	Thu, 10 Apr 2014 11:30:02 +0200
From:	"Dr. H. Nikolaus Schaller" <hns@...delico.com>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:	Jingoo Han <jg1.han@...sung.com>,
	Fugang Duan <B38611@...escale.com>,
	linux-input@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
	Marek Belisko <marek@...delico.com>
Subject: [PATCH] bma150: extend chip detection for bma180

This driver has been used  while on the OpenPhoenux GTA04 with
a BMA180.

Signed-off-by: H. Nikolaus Schaller <hns@...delico.com>
---
 drivers/input/misc/bma150.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/input/misc/bma150.c b/drivers/input/misc/bma150.c
index 52d3a9b..b36831c 100644
--- a/drivers/input/misc/bma150.c
+++ b/drivers/input/misc/bma150.c
@@ -70,6 +70,7 @@
 #define BMA150_CFG_5_REG	0x11
 
 #define BMA150_CHIP_ID		2
+#define BMA180_CHIP_ID		3
 #define BMA150_CHIP_ID_REG	BMA150_DATA_0_REG
 
 #define BMA150_ACC_X_LSB_REG	BMA150_DATA_2_REG
@@ -539,7 +540,7 @@ static int bma150_probe(struct i2c_client *client,
 	}
 
 	chip_id = i2c_smbus_read_byte_data(client, BMA150_CHIP_ID_REG);
-	if (chip_id != BMA150_CHIP_ID) {
+	if (chip_id != BMA150_CHIP_ID && chip_id != BMA180_CHIP_ID) {
 		dev_err(&client->dev, "BMA150 chip id error: %d\n", chip_id);
 		return -EINVAL;
 	}
@@ -643,6 +644,7 @@ static UNIVERSAL_DEV_PM_OPS(bma150_pm, bma150_suspend, bma150_resume, NULL);
 
 static const struct i2c_device_id bma150_id[] = {
 	{ "bma150", 0 },
+	{ "bma180", 0 },
 	{ "smb380", 0 },
 	{ "bma023", 0 },
 	{ }
-- 
1.9.1


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