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-rw-r--r--sound/soc/meson/aiu.c19
-rw-r--r--sound/soc/meson/aiu.h1
-rw-r--r--sound/soc/meson/axg-tdm-interface.c29
-rw-r--r--sound/soc/meson/t9015.c20
4 files changed, 28 insertions, 41 deletions
diff --git a/sound/soc/meson/aiu.c b/sound/soc/meson/aiu.c
index 7109b81cc3..5d1419ed7a 100644
--- a/sound/soc/meson/aiu.c
+++ b/sound/soc/meson/aiu.c
@@ -212,11 +212,12 @@ static const char * const aiu_spdif_ids[] = {
static int aiu_clk_get(struct device *dev)
{
struct aiu *aiu = dev_get_drvdata(dev);
+ struct clk *pclk;
int ret;
- aiu->pclk = devm_clk_get(dev, "pclk");
- if (IS_ERR(aiu->pclk))
- return dev_err_probe(dev, PTR_ERR(aiu->pclk), "Can't get the aiu pclk\n");
+ pclk = devm_clk_get_enabled(dev, "pclk");
+ if (IS_ERR(pclk))
+ return dev_err_probe(dev, PTR_ERR(pclk), "Can't get the aiu pclk\n");
aiu->spdif_mclk = devm_clk_get(dev, "spdif_mclk");
if (IS_ERR(aiu->spdif_mclk))
@@ -233,18 +234,6 @@ static int aiu_clk_get(struct device *dev)
if (ret)
return dev_err_probe(dev, ret, "Can't get the spdif clocks\n");
- ret = clk_prepare_enable(aiu->pclk);
- if (ret) {
- dev_err(dev, "peripheral clock enable failed\n");
- return ret;
- }
-
- ret = devm_add_action_or_reset(dev,
- (void(*)(void *))clk_disable_unprepare,
- aiu->pclk);
- if (ret)
- dev_err(dev, "failed to add reset action on pclk");
-
return ret;
}
diff --git a/sound/soc/meson/aiu.h b/sound/soc/meson/aiu.h
index 393b6c2307..0f94c8bf60 100644
--- a/sound/soc/meson/aiu.h
+++ b/sound/soc/meson/aiu.h
@@ -33,7 +33,6 @@ struct aiu_platform_data {
};
struct aiu {
- struct clk *pclk;
struct clk *spdif_mclk;
struct aiu_interface i2s;
struct aiu_interface spdif;
diff --git a/sound/soc/meson/axg-tdm-interface.c b/sound/soc/meson/axg-tdm-interface.c
index 1c3d433cef..2cedbce738 100644
--- a/sound/soc/meson/axg-tdm-interface.c
+++ b/sound/soc/meson/axg-tdm-interface.c
@@ -12,6 +12,9 @@
#include "axg-tdm.h"
+/* Maximum bit clock frequency according the datasheets */
+#define MAX_SCLK 100000000 /* Hz */
+
enum {
TDM_IFACE_PAD,
TDM_IFACE_LOOPBACK,
@@ -153,19 +156,27 @@ static int axg_tdm_iface_startup(struct snd_pcm_substream *substream,
return -EINVAL;
}
- /* Apply component wide rate symmetry */
if (snd_soc_component_active(dai->component)) {
+ /* Apply component wide rate symmetry */
ret = snd_pcm_hw_constraint_single(substream->runtime,
SNDRV_PCM_HW_PARAM_RATE,
iface->rate);
- if (ret < 0) {
- dev_err(dai->dev,
- "can't set iface rate constraint\n");
- return ret;
- }
+
+ } else {
+ /* Limit rate according to the slot number and width */
+ unsigned int max_rate =
+ MAX_SCLK / (iface->slots * iface->slot_width);
+ ret = snd_pcm_hw_constraint_minmax(substream->runtime,
+ SNDRV_PCM_HW_PARAM_RATE,
+ 0, max_rate);
}
- return 0;
+ if (ret < 0)
+ dev_err(dai->dev, "can't set iface rate constraint\n");
+ else
+ ret = 0;
+
+ return ret;
}
static int axg_tdm_iface_set_stream(struct snd_pcm_substream *substream,
@@ -264,8 +275,8 @@ static int axg_tdm_iface_set_sclk(struct snd_soc_dai *dai,
srate = iface->slots * iface->slot_width * params_rate(params);
if (!iface->mclk_rate) {
- /* If no specific mclk is requested, default to bit clock * 4 */
- clk_set_rate(iface->mclk, 4 * srate);
+ /* If no specific mclk is requested, default to bit clock * 2 */
+ clk_set_rate(iface->mclk, 2 * srate);
} else {
/* Check if we can actually get the bit clock from mclk */
if (iface->mclk_rate % srate) {
diff --git a/sound/soc/meson/t9015.c b/sound/soc/meson/t9015.c
index 9c6b4dac68..571f65788c 100644
--- a/sound/soc/meson/t9015.c
+++ b/sound/soc/meson/t9015.c
@@ -48,7 +48,6 @@
#define POWER_CFG 0x10
struct t9015 {
- struct clk *pclk;
struct regulator *avdd;
};
@@ -249,6 +248,7 @@ static int t9015_probe(struct platform_device *pdev)
struct t9015 *priv;
void __iomem *regs;
struct regmap *regmap;
+ struct clk *pclk;
int ret;
priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
@@ -256,26 +256,14 @@ static int t9015_probe(struct platform_device *pdev)
return -ENOMEM;
platform_set_drvdata(pdev, priv);
- priv->pclk = devm_clk_get(dev, "pclk");
- if (IS_ERR(priv->pclk))
- return dev_err_probe(dev, PTR_ERR(priv->pclk), "failed to get core clock\n");
+ pclk = devm_clk_get_enabled(dev, "pclk");
+ if (IS_ERR(pclk))
+ return dev_err_probe(dev, PTR_ERR(pclk), "failed to get core clock\n");
priv->avdd = devm_regulator_get(dev, "AVDD");
if (IS_ERR(priv->avdd))
return dev_err_probe(dev, PTR_ERR(priv->avdd), "failed to AVDD\n");
- ret = clk_prepare_enable(priv->pclk);
- if (ret) {
- dev_err(dev, "core clock enable failed\n");
- return ret;
- }
-
- ret = devm_add_action_or_reset(dev,
- (void(*)(void *))clk_disable_unprepare,
- priv->pclk);
- if (ret)
- return ret;
-
ret = device_reset(dev);
if (ret) {
dev_err(dev, "reset failed\n");