diff options
| author | Arnaud Pouliquen <arnaud.pouliquen@st.com> | 2015-06-05 10:19:05 +0200 |
|---|---|---|
| committer | Leo Wang <leozwang@google.com> | 2016-01-28 00:27:16 +0000 |
| commit | 359fcb7574d2f924b999cd10e748e0813f48f869 (patch) | |
| tree | ae7b763af9c9d7dab2e9f1708d8ca444605316c0 /sound | |
| parent | 1a10995369339936c3dae5a07dcd7b2867c4c5c7 (diff) | |
| download | v4.1-359fcb7574d2f924b999cd10e748e0813f48f869.tar.gz | |
UPSTREAM: ASoC: simple card: Add mclk-fs property in dai-link
Add mclk-fs ratio property per dai-link sub node. This will
allow to manage several codecs with different ratio.
Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Bug: 25923642
Patchset: update upstream simple card at here.
(cherry picked from git.kernel.org torvalds/linux.git master
commit 85a4bfd895778960dc2d655087ac7ff442b6ab9e)
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Change-Id: I88c68eb826ecd82ca50b7ee09d2cf10e63ed8b7a
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/generic/simple-card.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c index 8496efc93d8..3ff76d41943 100644 --- a/sound/soc/generic/simple-card.c +++ b/sound/soc/generic/simple-card.c @@ -26,6 +26,7 @@ struct simple_card_data { struct simple_dai_props { struct asoc_simple_dai cpu_dai; struct asoc_simple_dai codec_dai; + unsigned int mclk_fs; } *dai_props; unsigned int mclk_fs; int gpio_hp_det; @@ -77,11 +78,18 @@ static int asoc_simple_card_hw_params(struct snd_pcm_substream *substream, struct snd_soc_dai *codec_dai = rtd->codec_dai; struct snd_soc_dai *cpu_dai = rtd->cpu_dai; struct simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card); - unsigned int mclk; + struct simple_dai_props *dai_props = + &priv->dai_props[rtd - rtd->card->rtd]; + unsigned int mclk, mclk_fs = 0; int ret = 0; - if (priv->mclk_fs) { - mclk = params_rate(params) * priv->mclk_fs; + if (priv->mclk_fs) + mclk_fs = priv->mclk_fs; + else if (dai_props->mclk_fs) + mclk_fs = dai_props->mclk_fs; + + if (mclk_fs) { + mclk = params_rate(params) * mclk_fs; ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk, SND_SOC_CLOCK_IN); if (ret && ret != -ENOTSUPP) @@ -322,6 +330,7 @@ static int asoc_simple_card_dai_link_of(struct device_node *node, char prop[128]; char *prefix = ""; int ret, cpu_args; + u32 val; /* For single DAI link & old style of DT node */ if (is_top_level_node) @@ -347,6 +356,9 @@ static int asoc_simple_card_dai_link_of(struct device_node *node, if (ret < 0) goto dai_link_of_err; + if (!of_property_read_u32(node, "mclk-fs", &val)) + dai_props->mclk_fs = val; + ret = asoc_simple_card_sub_parse_of(cpu, &dai_props->cpu_dai, &dai_link->cpu_of_node, &dai_link->cpu_dai_name, |