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Diffstat (limited to 'target/linux/apm821xx/patches-4.19/803-hwmon-tc654-add-detection-routine.patch')
-rw-r--r--target/linux/apm821xx/patches-4.19/803-hwmon-tc654-add-detection-routine.patch65
1 files changed, 0 insertions, 65 deletions
diff --git a/target/linux/apm821xx/patches-4.19/803-hwmon-tc654-add-detection-routine.patch b/target/linux/apm821xx/patches-4.19/803-hwmon-tc654-add-detection-routine.patch
deleted file mode 100644
index f8b30ae1b3..0000000000
--- a/target/linux/apm821xx/patches-4.19/803-hwmon-tc654-add-detection-routine.patch
+++ /dev/null
@@ -1,65 +0,0 @@
-From 694f9bfb8efaef8a33e8992015ff9d0866faf4a2 Mon Sep 17 00:00:00 2001
-From: Christian Lamparter <chunkeey@gmail.com>
-Date: Sun, 17 Dec 2017 17:27:15 +0100
-Subject: [PATCH 1/2] hwmon: tc654 add detection routine
-
-This patch adds a detection routine for the TC654/TC655
-chips. Both IDs are listed in the Datasheet.
-
-Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
----
- drivers/hwmon/tc654.c | 29 +++++++++++++++++++++++++++++
- 1 file changed, 29 insertions(+)
-
---- a/drivers/hwmon/tc654.c
-+++ b/drivers/hwmon/tc654.c
-@@ -64,6 +64,11 @@ enum tc654_regs {
- /* Register data is read (and cached) at most once per second. */
- #define TC654_UPDATE_INTERVAL HZ
-
-+/* Manufacturer and Version Identification Register Values */
-+#define TC654_MFR_ID_MICROCHIP 0x84
-+#define TC654_VER_ID 0x00
-+#define TC655_VER_ID 0x01
-+
- struct tc654_data {
- struct i2c_client *client;
-
-@@ -497,6 +502,29 @@ static const struct i2c_device_id tc654_
- {}
- };
-
-+static int
-+tc654_detect(struct i2c_client *new_client, struct i2c_board_info *info)
-+{
-+ struct i2c_adapter *adapter = new_client->adapter;
-+ int manufacturer, product;
-+
-+ if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
-+ return -ENODEV;
-+
-+ manufacturer = i2c_smbus_read_byte_data(new_client, TC654_REG_MFR_ID);
-+ if (manufacturer != TC654_MFR_ID_MICROCHIP)
-+ return -ENODEV;
-+
-+ product = i2c_smbus_read_byte_data(new_client, TC654_REG_VER_ID);
-+ if (!((product == TC654_VER_ID) || (product == TC655_VER_ID)))
-+ return -ENODEV;
-+
-+ strlcpy(info->type, product == TC654_VER_ID ? "tc654" : "tc655",
-+ I2C_NAME_SIZE);
-+ return 0;
-+}
-+
-+
- MODULE_DEVICE_TABLE(i2c, tc654_id);
-
- static struct i2c_driver tc654_driver = {
-@@ -505,6 +533,7 @@ static struct i2c_driver tc654_driver =
- },
- .probe = tc654_probe,
- .id_table = tc654_id,
-+ .detect = tc654_detect,
- };
-
- module_i2c_driver(tc654_driver);