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asoc: bolero: add support to enable VA MCLK MUX select on Kona

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VA macro is currently lacking capability to dynamically select
MCLK on Kona. Add support in VA macro driver to read MUX select
property from DT to enable dynamic MCLK MUX select.

Change-Id: I46d0b760119a2d8c2ed754ae9cb43ba717fa300b
Signed-off-by: Xiaoyu Ye <benyxy@codeaurora.org>
This commit is contained in:
Xiaoyu Ye 2018-12-06 15:14:02 -08:00 committed by Gerrit - the friendly Code Review server
parent 50840ecb1b
commit ccdb91522a
1 changed files with 14 additions and 2 deletions
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16
asoc/codecs/bolero/va-macro.c
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@ -138,6 +138,7 @@ static int va_macro_mclk_enable(struct va_macro_priv *va_priv,
{
struct regmap *regmap = dev_get_regmap(va_priv->dev->parent, NULL);
int ret = 0;
u16 mclk_mux_sel = MCLK_MUX0;
if (regmap == NULL) {
dev_err(va_priv->dev, "%s: regmap is NULL\n", __func__);
@ -148,10 +149,21 @@ static int va_macro_mclk_enable(struct va_macro_priv *va_priv,
__func__, mclk_enable, dapm, va_priv->va_mclk_users);
mutex_lock(&va_priv->mclk_lock);
if (of_property_read_u16(va_priv->dev->of_node,
"qcom,va-clk-mux-select", &mclk_mux_sel))
dev_dbg(va_priv->dev,
"%s: could not find %s entry in dt, use default\n",
__func__, "qcom,va-clk-mux-select");
if (mclk_mux_sel != MCLK_MUX0 && mclk_mux_sel != MCLK_MUX1) {
dev_err(va_priv->dev, "%s: mclk_mux_sel: %d is invalid\n",
__func__, mclk_mux_sel);
return -EINVAL;
}
if (mclk_enable) {
if (va_priv->va_mclk_users == 0) {
ret = bolero_request_clock(va_priv->dev,
VA_MACRO, MCLK_MUX0, true);
VA_MACRO, mclk_mux_sel, true);
if (ret < 0) {
dev_err(va_priv->dev,
"%s: va request clock en failed\n",
@ -192,7 +204,7 @@ static int va_macro_mclk_enable(struct va_macro_priv *va_priv,
BOLERO_CDC_VA_CLK_RST_CTRL_MCLK_CONTROL,
0x01, 0x00);
bolero_request_clock(va_priv->dev,
VA_MACRO, MCLK_MUX0, false);
VA_MACRO, mclk_mux_sel, false);
}
}
exit: