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[Qemu-devel] [PATCH for-2.0 1/7] smbus: allow returning an error from re
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PATCH for-2.0 1/7] smbus: allow returning an error from reads |
Date: |
Mon, 31 Mar 2014 18:26:29 +0200 |
Signed-off-by: Paolo Bonzini <address@hidden>
---
hw/i2c/smbus.c | 6 +++---
include/hw/i2c/smbus.h | 6 +++---
2 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/hw/i2c/smbus.c b/hw/i2c/smbus.c
index 3febf3c..190f08e 100644
--- a/hw/i2c/smbus.c
+++ b/hw/i2c/smbus.c
@@ -214,7 +214,7 @@ void smbus_quick_command(I2CBus *bus, uint8_t addr, int
read)
i2c_end_transfer(bus);
}
-uint8_t smbus_receive_byte(I2CBus *bus, uint8_t addr)
+int smbus_receive_byte(I2CBus *bus, uint8_t addr)
{
uint8_t data;
@@ -232,7 +232,7 @@ void smbus_send_byte(I2CBus *bus, uint8_t addr, uint8_t
data)
i2c_end_transfer(bus);
}
-uint8_t smbus_read_byte(I2CBus *bus, uint8_t addr, uint8_t command)
+int smbus_read_byte(I2CBus *bus, uint8_t addr, uint8_t command)
{
uint8_t data;
i2c_start_transfer(bus, addr, 0);
@@ -252,7 +252,7 @@ void smbus_write_byte(I2CBus *bus, uint8_t addr, uint8_t
command, uint8_t data)
i2c_end_transfer(bus);
}
-uint16_t smbus_read_word(I2CBus *bus, uint8_t addr, uint8_t command)
+int smbus_read_word(I2CBus *bus, uint8_t addr, uint8_t command)
{
uint16_t data;
i2c_start_transfer(bus, addr, 0);
diff --git a/include/hw/i2c/smbus.h b/include/hw/i2c/smbus.h
index 63f0cc4..285d3b5 100644
--- a/include/hw/i2c/smbus.h
+++ b/include/hw/i2c/smbus.h
@@ -67,11 +67,11 @@ struct SMBusDevice {
/* Master device commands. */
void smbus_quick_command(I2CBus *bus, uint8_t addr, int read);
-uint8_t smbus_receive_byte(I2CBus *bus, uint8_t addr);
+int smbus_receive_byte(I2CBus *bus, uint8_t addr);
void smbus_send_byte(I2CBus *bus, uint8_t addr, uint8_t data);
-uint8_t smbus_read_byte(I2CBus *bus, uint8_t addr, uint8_t command);
+int smbus_read_byte(I2CBus *bus, uint8_t addr, uint8_t command);
void smbus_write_byte(I2CBus *bus, uint8_t addr, uint8_t command, uint8_t
data);
-uint16_t smbus_read_word(I2CBus *bus, uint8_t addr, uint8_t command);
+int smbus_read_word(I2CBus *bus, uint8_t addr, uint8_t command);
void smbus_write_word(I2CBus *bus, uint8_t addr, uint8_t command, uint16_t
data);
int smbus_read_block(I2CBus *bus, uint8_t addr, uint8_t command, uint8_t
*data);
void smbus_write_block(I2CBus *bus, uint8_t addr, uint8_t command, uint8_t
*data,
--
1.9.0
- [Qemu-devel] [PATCH for-2.0 0/7] SMBus and tmp105 fixes, Paolo Bonzini, 2014/03/31
- [Qemu-devel] [PATCH for-2.0 1/7] smbus: allow returning an error from reads,
Paolo Bonzini <=
- [Qemu-devel] [PATCH for-2.0 2/7] smbus: return -1 if nothing found at the given address, Paolo Bonzini, 2014/03/31
- [Qemu-devel] [PATCH for-2.0 3/7] pm_smbus: correctly report unclaimed cycles, Paolo Bonzini, 2014/03/31
- [Qemu-devel] [PATCH for-2.0 4/7] tmp105: read temperature in milli-celsius, Paolo Bonzini, 2014/03/31
- [Qemu-devel] [PATCH for-2.0 5/7] tmp105-test: wrap simple building blocks for testing, Paolo Bonzini, 2014/03/31
- [Qemu-devel] [PATCH for-2.0 6/7] tmp105-test: add a second sensor and test that one, Paolo Bonzini, 2014/03/31
- [Qemu-devel] [PATCH for-2.0 7/7] tmp105-test: test QOM property and precision, Paolo Bonzini, 2014/03/31