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author | Xiubo Li <Li.Xiubo@freescale.com> | 2013-12-23 15:25:38 +0800 |
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committer | Mark Brown <broonie@linaro.org> | 2014-01-01 12:24:56 +0000 |
commit | 71467e46414d3bab220de77d3d085be0c0aa03e1 (patch) | |
tree | 747b3114cce3679c81edc6d10930ef3dbbd95c65 /sound/soc/generic | |
parent | e874ddead38996ec40c6a6be2347a69fac520126 (diff) | |
download | linux-stable-71467e46414d3bab220de77d3d085be0c0aa03e1.tar.gz linux-stable-71467e46414d3bab220de77d3d085be0c0aa03e1.tar.bz2 linux-stable-71467e46414d3bab220de77d3d085be0c0aa03e1.zip |
ASoC: simple-card: Add device's module clock selection.
Try to get the device's module clock if the dt has no clocks and
system-clock-frequency properties.
Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'sound/soc/generic')
-rw-r--r-- | sound/soc/generic/simple-card.c | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c index 3ba65bb63439..58c217e403ae 100644 --- a/sound/soc/generic/simple-card.c +++ b/sound/soc/generic/simple-card.c @@ -90,14 +90,29 @@ asoc_simple_card_sub_parse_of(struct device_node *np, * dai->sysclk come from * "clocks = <&xxx>" (if system has common clock) * or "system-clock-frequency = <xxx>" + * or device's module clock. */ - clk = of_clk_get(np, 0); - if (IS_ERR(clk)) + if (of_property_read_bool(np, "clocks")) { + clk = of_clk_get(np, 0); + if (IS_ERR(clk)) { + ret = PTR_ERR(clk); + goto parse_error; + } + + dai->sysclk = clk_get_rate(clk); + } else if (of_property_read_bool(np, "system-clock-frequency")) { of_property_read_u32(np, "system-clock-frequency", &dai->sysclk); - else + } else { + clk = of_clk_get(*node, 0); + if (IS_ERR(clk)) { + ret = PTR_ERR(clk); + goto parse_error; + } + dai->sysclk = clk_get_rate(clk); + } ret = 0; |