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ASoC: simple-card: Add device's module clock selection.

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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>
This commit is contained in:
Xiubo Li 2013-12-23 15:25:38 +08:00 committed by Mark Brown
parent e874ddead3
commit 71467e4641
1 changed files with 18 additions and 3 deletions
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21
sound/soc/generic/simple-card.c
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@ -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;