This is a note to let you know that I've just added the patch titled ASoC: simple-card: don't fail if sysclk setting is not supported to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: asoc-simple-card-don-t-fail-if-sysclk-setting-is-not-supported.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From ee43a1a0cd2a8f33cddfa1323a60b5cfcf865ba0 Mon Sep 17 00:00:00 2001 From: Aaro Koskinen <aaro.koskinen@xxxxxx> Date: Sun, 24 Jan 2016 00:36:40 +0200 Subject: ASoC: simple-card: don't fail if sysclk setting is not supported From: Aaro Koskinen <aaro.koskinen@xxxxxx> commit ee43a1a0cd2a8f33cddfa1323a60b5cfcf865ba0 upstream. Commit e22579713ae1 ("ASoC: simple card: set cpu-dai sysclk with mclk-fs") added sysclk / SND_SOC_CLOCK_OUT setting, that makes asoc_simple_card_hw_params fail if the operation is not supported, although the intention clearly was to ignore ENOTSUPP. Fix it. The patch fixes audio playback on Kirkwood / OpenRD client, where the following errors are seen: asoc-simple-card sound: ASoC: machine hw_params failed: -524 alsa-lib: /alsa-lib-1.0.28/src/pcm/pcm_hw.c:327:(snd_pcm_hw_hw_params) SNDRV_PCM_IOCTL_HW_PARAMS failed (-524): Unknown error 524 Fixes: e22579713ae1 ("ASoC: simple card: set cpu-dai sysclk with mclk-fs") Signed-off-by: Aaro Koskinen <aaro.koskinen@xxxxxx> Reviewed-by: Andrew Lunn <andrew@xxxxxxx> Signed-off-by: Mark Brown <broonie@xxxxxxxxxx> Signed-off-by: Thong Ho <thong.ho.px@xxxxxxxxxxxxxxx> Signed-off-by: Nhan Nguyen <nhan.nguyen.yb@xxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- sound/soc/generic/simple-card.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/sound/soc/generic/simple-card.c +++ b/sound/soc/generic/simple-card.c @@ -100,7 +100,7 @@ static int asoc_simple_card_hw_params(st if (ret && ret != -ENOTSUPP) goto err; } - + return 0; err: return ret; } Patches currently in stable-queue which might be from aaro.koskinen@xxxxxx are queue-4.4/asoc-simple-card-don-t-fail-if-sysclk-setting-is-not-supported.patch