Re: [PATCH 4/4] sound: jz4740: Enable codec clock during dai_probe
From: Lars-Peter Clausen
Date: Mon Jan 26 2015 - 05:40:08 EST
On 01/26/2015 11:18 AM, Zubair Lutfullah Kakakhel wrote:
As we are moving away from platform to DT, we cant rely on the board
file to do this now. So enable it here.
I don't understand this changelog. The board file never did this. The driver
enables the clock in the startup() callback.
Signed-off-by: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@xxxxxxxxxx>
---
sound/soc/jz4740/jz4740-i2s.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/sound/soc/jz4740/jz4740-i2s.c b/sound/soc/jz4740/jz4740-i2s.c
index 3c309fc..a7e4a7b 100644
--- a/sound/soc/jz4740/jz4740-i2s.c
+++ b/sound/soc/jz4740/jz4740-i2s.c
@@ -376,6 +376,10 @@ static int jz4740_i2s_dai_probe(struct snd_soc_dai *dai)
JZ_AIC_CONF_I2S |
JZ_AIC_CONF_INTERNAL_CODEC;
+ /* enable codec sysclk */
+ clk_set_rate(i2s->clk_i2s, 12000000);
+ clk_prepare_enable(i2s->clk_i2s);
+
jz4740_i2s_write(i2s, JZ_REG_AIC_CONF, JZ_AIC_CONF_RESET);
jz4740_i2s_write(i2s, JZ_REG_AIC_CONF, conf);
--
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