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>
diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c
index 3ba65bb..58c217e 100644
--- a/sound/soc/generic/simple-card.c
+++ b/sound/soc/generic/simple-card.c
@@ -90,14 +90,29 @@
* 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;