From 4c6c0b5eee572a24345fdd1fac6aa670cc937a3a Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Wed, 8 Feb 2012 19:02:24 +0000 Subject: [PATCH] ASoC: wm8962: Support mono playback and record Make sure we generate enough BCLKs for I2S style modes by always having a minimum of two channels worth of clocks for the BCLK. Signed-off-by: Mark Brown --- sound/soc/codecs/wm8962.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c index 25b6baed3a29..5e3795d7cdb8 100644 --- a/sound/soc/codecs/wm8962.c +++ b/sound/soc/codecs/wm8962.c @@ -2634,6 +2634,9 @@ static int wm8962_hw_params(struct snd_pcm_substream *substream, int adctl3 = 0; wm8962->bclk = snd_soc_params_to_bclk(params); + if (params_channels(params) == 1) + wm8962->bclk *= 2; + wm8962->lrclk = params_rate(params); for (i = 0; i < ARRAY_SIZE(sr_vals); i++) { @@ -3008,14 +3011,14 @@ static struct snd_soc_dai_driver wm8962_dai = { .name = "wm8962", .playback = { .stream_name = "Playback", - .channels_min = 2, + .channels_min = 1, .channels_max = 2, .rates = WM8962_RATES, .formats = WM8962_FORMATS, }, .capture = { .stream_name = "Capture", - .channels_min = 2, + .channels_min = 1, .channels_max = 2, .rates = WM8962_RATES, .formats = WM8962_FORMATS, -- 2.30.2