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ASoC: Intel: hdac_hdmi: Limit sampling rates at dai creation 

Playback of 44.1Khz contents with HDMI plugged returns
"Invalid pipe config" because HDMI paths in the FW
topology are configured to operate at 48Khz.

This patch filters out sampling rates not supported
at hdac_hdmi_create_dais() to let user space SRC
to do the converting.

Signed-off-by: Yong Zhi <yong.zhi@intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
hifive-unleashed-5.1
Yong Zhi 2018-08-07 12:19:16 -05:00 committed by Mark Brown
parent fc269c0396
commit 3b857472f3
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GPG Key ID: 24D68B725D5487D0
1 changed files with 6 additions and 0 deletions
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6
sound/soc/codecs/hdac_hdmi.c
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@ -1410,6 +1410,12 @@ static int hdac_hdmi_create_dais(struct hdac_device *hdev,
if (ret)
return ret;
/* Filter out 44.1, 88.2 and 176.4Khz */
rates &= ~(SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_88200 |
SNDRV_PCM_RATE_176400);
if (!rates)
return -EINVAL;
sprintf(dai_name, "intel-hdmi-hifi%d", i+1);
hdmi_dais[i].name = devm_kstrdup(&hdev->dev,
dai_name, GFP_KERNEL);