From: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
Current simple-card-utils sets asoc_simple_dai::clk via
asoc_simple_card_parse_clk(), and requested parameter is only
simple_dai. But current simple card drivers are using
simple_dai::clk directly for clk_enable/disable.
Encapsulation is one of simple card util's purpose.
Let's encapsulate it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
---
include/sound/simple_card_utils.h | 2 ++
sound/soc/generic/simple-card-utils.c | 6 ++++++
2 files changed, 8 insertions(+)
diff --git a/include/sound/simple_card_utils.h b/include/sound/simple_card_utils.h
index 108cae4..9e8e829 100644
--- a/include/sound/simple_card_utils.h
+++ b/include/sound/simple_card_utils.h
@@ -45,6 +45,8 @@ int asoc_simple_card_parse_clk(struct device *dev,
struct device_node *dai_of_node,
struct asoc_simple_dai *simple_dai,
const char *name);
+#define asoc_simple_card_clk_enable(dai) clk_prepare_enable((dai)->clk)
+#define asoc_simple_card_clk_disable(dai) clk_disable_unprepare((dai)->clk)
#define asoc_simple_card_parse_cpu(node, dai_link, \
list_name, cells_name, is_single_link) \
diff --git a/sound/soc/generic/simple-card-utils.c b/sound/soc/generic/simple-card-utils.c
index d9d8b8a..f7df08b 100644
--- a/sound/soc/generic/simple-card-utils.c
+++ b/sound/soc/generic/simple-card-utils.c
@@ -128,6 +128,12 @@ int asoc_simple_card_parse_clk(struct device *dev,
clk = devm_get_clk_from_child(dev, node, NULL);
if (!IS_ERR(clk)) {
simple_dai->sysclk = clk_get_rate(clk);
+
+ /*
+ * This enables
+ * asoc_simple_card_clk_enable()
+ * asoc_simple_card_clk_disable()
+ */
simple_dai->clk = clk;
} else if (!of_property_read_u32(node, "system-clock-frequency", &val)) {
simple_dai->sysclk = val;
--
1.9.1
