diff options
| author |   Wolfram Sang <wsa+renesas@sang-engineering.com> | 2018-01-09 14:58:56 +0100 |
|---|---|---|
| committer |   Wolfram Sang <wsa@the-dreams.de> | 2018-01-16 00:04:19 +0100 |
| commit | 8092178ffe67dbd1f987e2e308e871c774774a16 (patch) | |
| tree | ce87bba0677a51c8727e8a6d712e1b7125733796 /include/linux/i2c.h | |
| parent | i2c: add identifier in declarations for i2c_bus_recovery (diff) | |
| download | linux-dev-8092178ffe67dbd1f987e2e308e871c774774a16.tar.xz linux-dev-8092178ffe67dbd1f987e2e308e871c774774a16.zip | |
i2c: add 'set_sda' to bus_recovery_info
This will be needed when we want to create STOP conditions, too, later.
Create the needed fields and populate them for the GPIO case if the GPIO
is set to output.
Tested-by: Phil Reid <preid@electromag.com.au>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'include/linux/i2c.h')
| -rw-r--r-- | include/linux/i2c.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/i2c.h b/include/linux/i2c.h index fd87b806b5f1..419a38e7c315 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -551,6 +551,9 @@ struct i2c_timings { * @get_sda: This gets current value of SDA line. Optional for generic SCL * recovery. Populated internally, if sda_gpio is a valid GPIO, for generic * GPIO recovery. + * @set_sda: This sets/clears the SDA line. Optional for generic SCL recovery. + * Populated internally, if sda_gpio is a valid GPIO, for generic GPIO + * recovery. * @prepare_recovery: This will be called before starting recovery. Platform may * configure padmux here for SDA/SCL line or something else they want. * @unprepare_recovery: This will be called after completing recovery. Platform @@ -564,6 +567,7 @@ struct i2c_bus_recovery_info { int (*get_scl)(struct i2c_adapter *adap); void (*set_scl)(struct i2c_adapter *adap, int val); int (*get_sda)(struct i2c_adapter *adap); + void (*set_sda)(struct i2c_adapter *adap, int val); void (*prepare_recovery)(struct i2c_adapter *adap); void (*unprepare_recovery)(struct i2c_adapter *adap); |