18c2ecf20Sopenharmony_ci# SPDX-License-Identifier: GPL-2.0-only 28c2ecf20Sopenharmony_ciconfig VIDEO_CX25821 38c2ecf20Sopenharmony_ci tristate "Conexant cx25821 support" 48c2ecf20Sopenharmony_ci depends on VIDEO_DEV && PCI && I2C 58c2ecf20Sopenharmony_ci select I2C_ALGOBIT 68c2ecf20Sopenharmony_ci select VIDEOBUF2_DMA_SG 78c2ecf20Sopenharmony_ci help 88c2ecf20Sopenharmony_ci This is a video4linux driver for Conexant 25821 based 98c2ecf20Sopenharmony_ci TV cards. 108c2ecf20Sopenharmony_ci 118c2ecf20Sopenharmony_ci To compile this driver as a module, choose M here: the 128c2ecf20Sopenharmony_ci module will be called cx25821 138c2ecf20Sopenharmony_ci 148c2ecf20Sopenharmony_ciconfig VIDEO_CX25821_ALSA 158c2ecf20Sopenharmony_ci tristate "Conexant 25821 DMA audio support" 168c2ecf20Sopenharmony_ci depends on VIDEO_CX25821 && SND 178c2ecf20Sopenharmony_ci select SND_PCM 188c2ecf20Sopenharmony_ci help 198c2ecf20Sopenharmony_ci This is a video4linux driver for direct (DMA) audio on 208c2ecf20Sopenharmony_ci Conexant 25821 based capture cards using ALSA. 218c2ecf20Sopenharmony_ci 228c2ecf20Sopenharmony_ci It only works with boards with function 01 enabled. 238c2ecf20Sopenharmony_ci To check if your board supports, use lspci -n. 248c2ecf20Sopenharmony_ci If supported, you should see 14f1:8801 or 14f1:8811 258c2ecf20Sopenharmony_ci PCI device. 268c2ecf20Sopenharmony_ci 278c2ecf20Sopenharmony_ci To compile this driver as a module, choose M here: the 288c2ecf20Sopenharmony_ci module will be called cx25821-alsa. 298c2ecf20Sopenharmony_ci 30