|  | #SPI drivers | 
|  |  | 
|  | menuconfig SND_SPI | 
|  | bool "SPI sound devices" | 
|  | depends on SPI | 
|  | default y | 
|  | help | 
|  | Support for sound devices connected via the SPI bus. | 
|  |  | 
|  | if SND_SPI | 
|  |  | 
|  | config SND_AT73C213 | 
|  | tristate "Atmel AT73C213 DAC driver" | 
|  | depends on ATMEL_SSC | 
|  | select SND_PCM | 
|  | help | 
|  | Say Y here if you want to use the Atmel AT73C213 external DAC. This | 
|  | DAC can be found on Atmel development boards. | 
|  |  | 
|  | This driver requires the Atmel SSC driver for sound sink, a | 
|  | peripheral found on most AT91 and AVR32 microprocessors. | 
|  |  | 
|  | To compile this driver as a module, choose M here: the module will be | 
|  | called snd-at73c213. | 
|  |  | 
|  | config SND_AT73C213_TARGET_BITRATE | 
|  | int "Target bitrate for AT73C213" | 
|  | depends on SND_AT73C213 | 
|  | default "48000" | 
|  | range 8000 50000 | 
|  | help | 
|  | Sets the target bitrate for the bitrate calculator in the driver. | 
|  | Limited by hardware to be between 8000 Hz and 50000 Hz. | 
|  |  | 
|  | Set to 48000 Hz by default. | 
|  |  | 
|  | endif	# SND_SPI | 
|  |  |