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Diffstat (limited to 'hw/i2c/smbus.c')
-rw-r--r--hw/i2c/smbus.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/hw/i2c/smbus.c b/hw/i2c/smbus.c
index 5b4dd3eba4..2d1b79a689 100644
--- a/hw/i2c/smbus.c
+++ b/hw/i2c/smbus.c
@@ -67,7 +67,7 @@ static void smbus_do_write(SMBusDevice *dev)
}
}
-static void smbus_i2c_event(I2CSlave *s, enum i2c_event event)
+static int smbus_i2c_event(I2CSlave *s, enum i2c_event event)
{
SMBusDevice *dev = SMBUS_DEVICE(s);
@@ -148,6 +148,8 @@ static void smbus_i2c_event(I2CSlave *s, enum i2c_event event)
break;
}
}
+
+ return 0;
}
static int smbus_i2c_recv(I2CSlave *s)
@@ -249,7 +251,8 @@ int smbus_read_byte(I2CBus *bus, uint8_t addr, uint8_t command)
}
i2c_send(bus, command);
if (i2c_start_transfer(bus, addr, 1)) {
- assert(0);
+ i2c_end_transfer(bus);
+ return -1;
}
data = i2c_recv(bus);
i2c_nack(bus);
@@ -276,7 +279,8 @@ int smbus_read_word(I2CBus *bus, uint8_t addr, uint8_t command)
}
i2c_send(bus, command);
if (i2c_start_transfer(bus, addr, 1)) {
- assert(0);
+ i2c_end_transfer(bus);
+ return -1;
}
data = i2c_recv(bus);
data |= i2c_recv(bus) << 8;
@@ -307,7 +311,8 @@ int smbus_read_block(I2CBus *bus, uint8_t addr, uint8_t command, uint8_t *data)
}
i2c_send(bus, command);
if (i2c_start_transfer(bus, addr, 1)) {
- assert(0);
+ i2c_end_transfer(bus);
+ return -1;
}
len = i2c_recv(bus);
if (len > 32) {