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path: root/drivers/i2c/chips/pcf8574.c
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Diffstat (limited to 'drivers/i2c/chips/pcf8574.c')
-rw-r--r--drivers/i2c/chips/pcf8574.c13
1 files changed, 4 insertions, 9 deletions
diff --git a/drivers/i2c/chips/pcf8574.c b/drivers/i2c/chips/pcf8574.c
index cfcf64654080..6525743ff9fd 100644
--- a/drivers/i2c/chips/pcf8574.c
+++ b/drivers/i2c/chips/pcf8574.c
@@ -39,16 +39,14 @@
39#include <linux/init.h> 39#include <linux/init.h>
40#include <linux/slab.h> 40#include <linux/slab.h>
41#include <linux/i2c.h> 41#include <linux/i2c.h>
42#include <linux/i2c-sensor.h>
43 42
44/* Addresses to scan */ 43/* Addresses to scan */
45static unsigned short normal_i2c[] = { 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 44static unsigned short normal_i2c[] = { 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
46 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, 45 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
47 I2C_CLIENT_END }; 46 I2C_CLIENT_END };
48static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
49 47
50/* Insmod parameters */ 48/* Insmod parameters */
51SENSORS_INSMOD_2(pcf8574, pcf8574a); 49I2C_CLIENT_INSMOD_2(pcf8574, pcf8574a);
52 50
53/* Initial values */ 51/* Initial values */
54#define PCF8574_INIT 255 /* All outputs on (input mode) */ 52#define PCF8574_INIT 255 /* All outputs on (input mode) */
@@ -113,10 +111,10 @@ static DEVICE_ATTR(write, S_IWUSR | S_IRUGO, show_write, set_write);
113 111
114static int pcf8574_attach_adapter(struct i2c_adapter *adapter) 112static int pcf8574_attach_adapter(struct i2c_adapter *adapter)
115{ 113{
116 return i2c_detect(adapter, &addr_data, pcf8574_detect); 114 return i2c_probe(adapter, &addr_data, pcf8574_detect);
117} 115}
118 116
119/* This function is called by i2c_detect */ 117/* This function is called by i2c_probe */
120int pcf8574_detect(struct i2c_adapter *adapter, int address, int kind) 118int pcf8574_detect(struct i2c_adapter *adapter, int address, int kind)
121{ 119{
122 struct i2c_client *new_client; 120 struct i2c_client *new_client;
@@ -186,11 +184,8 @@ static int pcf8574_detach_client(struct i2c_client *client)
186{ 184{
187 int err; 185 int err;
188 186
189 if ((err = i2c_detach_client(client))) { 187 if ((err = i2c_detach_client(client)))
190 dev_err(&client->dev,
191 "Client deregistration failed, client not detached.\n");
192 return err; 188 return err;
193 }
194 189
195 kfree(i2c_get_clientdata(client)); 190 kfree(i2c_get_clientdata(client));
196 return 0; 191 return 0;