When defined in device tree, MCLK1 and MCLK2 are used
as sysclk for aif1 and aif2 interfaces respectively.
If clock rate is let 0, the frequency provided by
wm8994_set_dai_sysclk() is used instead.
Signed-off-by: Olivier Moysan <olivier.moysan@xxxxxx>
---
sound/soc/codecs/wm8994.c | 20 +++++++++++++++++++-
1 file changed, 19 insertions(+), 1 deletion(-)
diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index 21ffd64..7a84e37 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -11,6 +11,7 @@
* published by the Free Software Foundation.
*/
+#include <linux/clk.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
@@ -2376,18 +2377,35 @@ static int wm8994_set_dai_sysclk(struct snd_soc_dai *dai,
{
struct snd_soc_codec *codec = dai->codec;
struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+ struct wm8994 *control = wm8994->wm8994;
+ struct wm8994_pdata *pdata = &control->pdata;
+ unsigned long rate;
int i;
switch (dai->id) {
case 1:
+ if (pdata->mclk1) {
+ rate = clk_get_rate(pdata->mclk1);
+ if (rate)
+ freq = (unsigned int)rate;
+ clk_id = WM8994_SYSCLK_MCLK1;
+ }
+ break;
case 2:
+ if (pdata->mclk2) {
+ rate = clk_get_rate(pdata->mclk2);
+ if (rate)
+ freq = (unsigned int)rate;
+ clk_id = WM8994_SYSCLK_MCLK2;
+ }
break;
-
default:
/* AIF3 shares clocking with AIF1/2 */
return -EINVAL;
}
+ dev_info(codec->dev, "%s:.clock id %d\n", __func__, clk_id);
+
switch (clk_id) {
case WM8994_SYSCLK_MCLK1:
wm8994->sysclk[dai->id - 1] = WM8994_SYSCLK_MCLK1;
--
1.9.1
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