diff options
| author | BALATON Zoltan <balaton@eik.bme.hu> | 2021-06-17 13:53:32 +0200 |
|---|---|---|
| committer | Corey Minyard <cminyard@mvista.com> | 2021-07-08 14:15:01 -0500 |
| commit | e656e387973b1c11f1b2b8c073a4ab1ed33504a2 (patch) | |
| tree | db167fbbe0a5dbe16fb7c805364a74975e838d31 /include | |
| parent | c8665a5997aa892c48f649df0aa72d0e41f8aca8 (diff) | |
hw/i2c: Make i2c_start_transfer() direction argument a boolean
Make the argument representing the direction of the transfer a
boolean type.
Rename the boolean argument as 'is_recv' to match i2c_recv_send().
Document the function prototype.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-Id: <20200621145235.9E241745712@zero.eik.bme.hu>
[PMD: Split patch, added docstring]
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/hw/i2c/i2c.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/include/hw/i2c/i2c.h b/include/hw/i2c/i2c.h index 2adf521b27..21f2dba1bf 100644 --- a/include/hw/i2c/i2c.h +++ b/include/hw/i2c/i2c.h @@ -80,7 +80,17 @@ struct I2CBus { I2CBus *i2c_init_bus(DeviceState *parent, const char *name); int i2c_bus_busy(I2CBus *bus); -int i2c_start_transfer(I2CBus *bus, uint8_t address, int recv); + +/** + * i2c_start_transfer: start a transfer on an I2C bus. + * + * @bus: #I2CBus to be used + * @address: address of the slave + * @is_recv: indicates the transfer direction + * + * Returns: 0 on success, -1 on error + */ +int i2c_start_transfer(I2CBus *bus, uint8_t address, bool is_recv); void i2c_end_transfer(I2CBus *bus); void i2c_nack(I2CBus *bus); int i2c_send(I2CBus *bus, uint8_t data); |