From 71467e46414d3bab220de77d3d085be0c0aa03e1 Mon Sep 17 00:00:00 2001
From: Xiubo Li
Date: Mon, 23 Dec 2013 15:25:38 +0800
Subject: [PATCH] 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
Signed-off-by: Mark Brown
---
sound/soc/generic/simple-card.c | 21 ++++++++++++++++++---
1 file changed, 18 insertions(+), 3 deletions(-)
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 @@ 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 = "
+ * 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;
--
2.7.4