scd30_cmd
typedef int (*scd30_command_t)(struct scd30_state *state, enum scd30_cmd cmd, u16 arg,
static int scd30_command_write(struct scd30_state *state, enum scd30_cmd cmd, u16 arg)
static int scd30_command_read(struct scd30_state *state, enum scd30_cmd cmd, u16 *val)
static int scd30_i2c_command(struct scd30_state *state, enum scd30_cmd cmd, u16 arg,
static int scd30_serdev_command(struct scd30_state *state, enum scd30_cmd cmd, u16 arg,