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hw/i2c: Introduce i2c_start_recv() and i2c_start_send()

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To ease reviewing code using the I2C bus API, introduce the
i2c_start_recv() and i2c_start_send() helpers which don't
take the confusing 'is_recv' boolean argument.

Use these new helpers in the SMBus / AUX bus models.

Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
This commit is contained in:
Philippe Mathieu-Daudé 2021-06-17 13:53:34 +02:00 • committed by Corey Minyard
parent 265caf45c6
commit 90603c5b89
5 changed files with 53 additions and 19 deletions
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10
hw/i2c/core.c
View file

@ -180,6 +180,16 @@ int i2c_start_transfer(I2CBus *bus, uint8_t address, bool is_recv)
: I2C_START_SEND);
}
int i2c_start_recv(I2CBus *bus, uint8_t address)
{
return i2c_do_start_transfer(bus, address, I2C_START_RECV);
}
int i2c_start_send(I2CBus *bus, uint8_t address)
{
return i2c_do_start_transfer(bus, address, I2C_START_SEND);
}
void i2c_end_transfer(I2CBus *bus)
{
I2CSlaveClass *sc;