18c2ecf20Sopenharmony_ci# SPDX-License-Identifier: GPL-2.0-only 28c2ecf20Sopenharmony_ci#SPI drivers 38c2ecf20Sopenharmony_ci 48c2ecf20Sopenharmony_cimenuconfig SND_SPI 58c2ecf20Sopenharmony_ci bool "SPI sound devices" 68c2ecf20Sopenharmony_ci depends on SPI 78c2ecf20Sopenharmony_ci default y 88c2ecf20Sopenharmony_ci help 98c2ecf20Sopenharmony_ci Support for sound devices connected via the SPI bus. 108c2ecf20Sopenharmony_ci 118c2ecf20Sopenharmony_ciif SND_SPI 128c2ecf20Sopenharmony_ci 138c2ecf20Sopenharmony_ciconfig SND_AT73C213 148c2ecf20Sopenharmony_ci tristate "Atmel AT73C213 DAC driver" 158c2ecf20Sopenharmony_ci depends on ATMEL_SSC 168c2ecf20Sopenharmony_ci select SND_PCM 178c2ecf20Sopenharmony_ci help 188c2ecf20Sopenharmony_ci Say Y here if you want to use the Atmel AT73C213 external DAC. This 198c2ecf20Sopenharmony_ci DAC can be found on Atmel development boards. 208c2ecf20Sopenharmony_ci 218c2ecf20Sopenharmony_ci This driver requires the Atmel SSC driver for sound sink, a 228c2ecf20Sopenharmony_ci peripheral found on most AT91 and AVR32 microprocessors. 238c2ecf20Sopenharmony_ci 248c2ecf20Sopenharmony_ci To compile this driver as a module, choose M here: the module will be 258c2ecf20Sopenharmony_ci called snd-at73c213. 268c2ecf20Sopenharmony_ci 278c2ecf20Sopenharmony_ciconfig SND_AT73C213_TARGET_BITRATE 288c2ecf20Sopenharmony_ci int "Target bitrate for AT73C213" 298c2ecf20Sopenharmony_ci depends on SND_AT73C213 308c2ecf20Sopenharmony_ci default "48000" 318c2ecf20Sopenharmony_ci range 8000 50000 328c2ecf20Sopenharmony_ci help 338c2ecf20Sopenharmony_ci Sets the target bitrate for the bitrate calculator in the driver. 348c2ecf20Sopenharmony_ci Limited by hardware to be between 8000 Hz and 50000 Hz. 358c2ecf20Sopenharmony_ci 368c2ecf20Sopenharmony_ci Set to 48000 Hz by default. 378c2ecf20Sopenharmony_ci 388c2ecf20Sopenharmony_ciendif # SND_SPI 398c2ecf20Sopenharmony_ci 40