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ASoC: spdif_transceiver: add output pin widget

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CODECs without any outputs now remain powered down, which means any
paths to these codecs also remain powered down.

Add an always-enabled output pin widget to the spdif transceiver codec.
This enables DAPM to correctly identify that the spdif transceiver is
in use when playback is enabled, which will then allow DAPM to power up
any links from the CPU DAI to the S/PDIF transceiver.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Russell King 2013-08-04 20:32:04 +01:00 committed by Mark Brown
parent db5ff9541b
commit 6ad709482e
1 changed files with 14 additions and 1 deletions
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15
sound/soc/codecs/spdif_transmitter.c
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@ -29,7 +29,20 @@
SNDRV_PCM_FMTBIT_S20_3LE | \
SNDRV_PCM_FMTBIT_S24_LE)
static struct snd_soc_codec_driver soc_codec_spdif_dit;
static const struct snd_soc_dapm_widget dit_widgets[] = {
SND_SOC_DAPM_OUTPUT("spdif-out"),
};
static const const struct snd_soc_dapm_route dit_routes[] = {
{ "spdif-out", NULL, "Playback" },
};
static struct snd_soc_codec_driver soc_codec_spdif_dit = {
.dapm_widgets = dit_widgets,
.num_dapm_widgets = ARRAY_SIZE(dit_widgets),
.dapm_routes = dit_routes,
.num_dapm_routes = ARRAY_SIZE(dit_routes),
};
static struct snd_soc_dai_driver dit_stub_dai = {
.name = "dit-hifi",