From: Dom Cobley Date: Fri, 21 Jun 2024 15:20:28 +0000 (+0100) Subject: drm/vc4: hdmi: Avoid log spam for audio start failure X-Git-Tag: v6.13-rc1~122^2~23^2~87 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=b4e5646178e86665f5caef2894578600f597098a;p=thirdparty%2Fkernel%2Flinux.git drm/vc4: hdmi: Avoid log spam for audio start failure We regularly get dmesg error reports of: [ 18.184066] hdmi-audio-codec hdmi-audio-codec.3.auto: ASoC: error at snd_soc_dai_startup on i2s-hifi: -19 [ 18.184098] MAI: soc_pcm_open() failed (-19) These are generated for any disconnected hdmi interface when pulseaudio attempts to open the associated ALSA device (numerous times). Each open generates a kernel error message, generating general log spam. The error messages all come from _soc_pcm_ret in sound/soc/soc-pcm.c#L39 which suggests returning ENOTSUPP, rather that ENODEV will be quiet. And indeed it is. Signed-off-by: Dom Cobley Reviewed-by: Maxime Ripard Link: https://patchwork.freedesktop.org/patch/msgid/20240621152055.4180873-5-dave.stevenson@raspberrypi.com Signed-off-by: Dave Stevenson --- diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c index 6611ab7c26a63..43f4e150d7267 100644 --- a/drivers/gpu/drm/vc4/vc4_hdmi.c +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c @@ -1920,7 +1920,7 @@ static int vc4_hdmi_audio_startup(struct device *dev, void *data) } if (!vc4_hdmi_audio_can_stream(vc4_hdmi)) { - ret = -ENODEV; + ret = -ENOTSUPP; goto out_dev_exit; }