Go to the official support website of your computer manufacturer.
The CS9711 chip features a with a sensing array of 68×118 pixels , 8‑bit grayscale resolution , and a 508 DPI spatial resolution . It supports 360‑degree fingerprint orientation , automatic wake‑up , and ultra‑low power consumption . Because of its low cost and good performance, the CS9711 is found in many inexpensive USB fingerprint dongles sold under various names on Amazon, AliExpress, and other online marketplaces. cs9711 fingerprint driver
If you are a Linux user looking for an inexpensive fingerprint reader, the CS9711 is a viable option — but only if you are comfortable compiling software from source, editing PAM configuration files, and accepting the experimental nature of the driver. Go to the official support website of your
static int cs9711_probe(struct spi_device *spi) // 1. Setup SPI mode: SPI_MODE_0, 8-bit, 5 MHz spi->mode = SPI_MODE_0; spi->bits_per_word = 8; spi_setup(spi); // 2. Alloc device struct struct cs9711_dev *dev = devm_kzalloc(&spi->dev, sizeof(*dev), GFP_KERNEL); Because of its low cost and good performance,