| /* |
| * Copyright (c) 2023 NXP Semiconductors |
| * Copyright (c) 2023 Cognipilot Foundation |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| /* |
| * Bus-specific functionality for IST8310 accessed via I2C. |
| */ |
| |
| #include "ist8310.h" |
| |
| static int ist8310_bus_check_i2c(const union ist8310_bus *bus) |
| { |
| return i2c_is_ready_dt(&bus->i2c) ? 0 : -ENODEV; |
| } |
| |
| static int ist8310_reg_read_i2c(const union ist8310_bus *bus, uint8_t start, uint8_t *buf, int size) |
| { |
| return i2c_burst_read_dt(&bus->i2c, start, buf, size); |
| } |
| |
| static int ist8310_reg_write_i2c(const union ist8310_bus *bus, uint8_t reg, uint8_t val) |
| { |
| return i2c_reg_write_byte_dt(&bus->i2c, reg, val); |
| } |
| |
| const struct ist8310_bus_io ist8310_bus_io_i2c = { |
| .check = ist8310_bus_check_i2c, |
| .read = ist8310_reg_read_i2c, |
| .write = ist8310_reg_write_i2c, |
| }; |