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-rw-r--r--sound/soc/dwc/Kconfig9
1 files changed, 9 insertions, 0 deletions
diff --git a/sound/soc/dwc/Kconfig b/sound/soc/dwc/Kconfig
index d50e08517dce..c297efe43861 100644
--- a/sound/soc/dwc/Kconfig
+++ b/sound/soc/dwc/Kconfig
@@ -7,4 +7,13 @@ config SND_DESIGNWARE_I2S
Synopsys desigwnware I2S device. The device supports upto
maximum of 8 channels each for play and record.
+config SND_DESIGNWARE_PCM
+ tristate "PCM PIO extension for I2S driver"
+ depends on SND_DESIGNWARE_I2S
+ help
+ Say Y, M or N if you want to add a custom ALSA extension that registers
+ a PCM and uses PIO to transfer data.
+
+ This functionality is specially suited for I2S devices that don't have
+ DMA support.