The Rockchip I2S controller only allows to configure even numbers of
capture channels. It is still possible to capture monophonic audio by
using dual-channel mode and ignoring the 'data' from the second
channel.
Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
val |= I2S_CHN_4;
break;
case 2:
+ case 1:
val |= I2S_CHN_2;
break;
default:
},
.capture = {
.stream_name = "Capture",
- .channels_min = 2,
+ .channels_min = 1,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_8000_192000,
.formats = (SNDRV_PCM_FMTBIT_S8 |
}
if (!of_property_read_u32(node, "rockchip,capture-channels", &val)) {
- if (val >= 2 && val <= 8)
+ if (val >= 1 && val <= 8)
soc_dai->capture.channels_max = val;
}