1 # SPDX-License-Identifier: GPL-2.0-only <<
2 config SND_DESIGNWARE_I2S 1 config SND_DESIGNWARE_I2S
3 tristate "Synopsys I2S Device Driver" 2 tristate "Synopsys I2S Device Driver"
4 depends on HAVE_CLK !! 3 depends on CLKDEV_LOOKUP
5 select SND_SOC_GENERIC_DMAENGINE_PCM 4 select SND_SOC_GENERIC_DMAENGINE_PCM
6 help 5 help
7 Say Y or M if you want to add support 6 Say Y or M if you want to add support for I2S driver for
8 Synopsys designware I2S device. The d !! 7 Synopsys desigwnware I2S device. The device supports upto
9 a maximum of 8 channels each for play !! 8 maximum of 8 channels each for play and record.
10 9
11 config SND_DESIGNWARE_PCM 10 config SND_DESIGNWARE_PCM
12 bool "PCM PIO extension for I2S driver 11 bool "PCM PIO extension for I2S driver"
13 depends on SND_DESIGNWARE_I2S 12 depends on SND_DESIGNWARE_I2S
14 help 13 help
15 Say Y or N if you want to add a custo 14 Say Y or N if you want to add a custom ALSA extension that registers
16 a PCM and uses PIO to transfer data. 15 a PCM and uses PIO to transfer data.
17 16
18 This functionality is specially suite 17 This functionality is specially suited for I2S devices that don't have
19 DMA support. 18 DMA support.
20 19
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