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authorPeter Ujfalusi <peter.ujfalusi@ti.com>2012-04-24 12:52:53 +0300
committerLiam Girdwood <lrg@ti.com>2012-05-22 17:33:19 +0100
commit356bccbea17988bd32a016ada867dd6a53ba2796 (patch)
tree22ba740ae3a03986493b05fc498f15ce1b1aaca8 /sound
parent7d09f9e98956b29755f20d830252dec9300e7044 (diff)
downloadlinux-356bccbea17988bd32a016ada867dd6a53ba2796.tar.gz
ASoC: omap-abe-twl6040: Introduce driver data for runtime parameters
In preparation to Device Tree support. With DT booted kernel we can not rely on pdata which used to hold information needed for the driver at runtime. Use the card's driver data to hold these informations from now on. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@ti.com>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/omap/omap-abe-twl6040.c25
1 files changed, 21 insertions, 4 deletions
diff --git a/sound/soc/omap/omap-abe-twl6040.c b/sound/soc/omap/omap-abe-twl6040.c
index 4388de9b81f..9d93793d307 100644
--- a/sound/soc/omap/omap-abe-twl6040.c
+++ b/sound/soc/omap/omap-abe-twl6040.c
@@ -40,6 +40,11 @@
#include "omap-pcm.h"
#include "../codecs/twl6040.h"
+struct abe_twl6040 {
+ int jack_detection; /* board can detect jack events */
+ int mclk_freq; /* MCLK frequency speed for twl6040 */
+};
+
static int omap_abe_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
@@ -47,13 +52,13 @@ static int omap_abe_hw_params(struct snd_pcm_substream *substream,
struct snd_soc_dai *codec_dai = rtd->codec_dai;
struct snd_soc_codec *codec = rtd->codec;
struct snd_soc_card *card = codec->card;
- struct omap_abe_twl6040_data *pdata = dev_get_platdata(card->dev);
+ struct abe_twl6040 *priv = snd_soc_card_get_drvdata(card);
int clk_id, freq;
int ret;
clk_id = twl6040_get_clk_id(rtd->codec);
if (clk_id == TWL6040_SYSCLK_SEL_HPPLL)
- freq = pdata->mclk_freq;
+ freq = priv->mclk_freq;
else if (clk_id == TWL6040_SYSCLK_SEL_LPPLL)
freq = 32768;
else
@@ -176,6 +181,7 @@ static int omap_abe_twl6040_init(struct snd_soc_pcm_runtime *rtd)
struct snd_soc_card *card = codec->card;
struct snd_soc_dapm_context *dapm = &codec->dapm;
struct omap_abe_twl6040_data *pdata = dev_get_platdata(card->dev);
+ struct abe_twl6040 *priv = snd_soc_card_get_drvdata(card);
int hs_trim;
int ret = 0;
@@ -199,7 +205,7 @@ static int omap_abe_twl6040_init(struct snd_soc_pcm_runtime *rtd)
TWL6040_HSF_TRIM_RIGHT(hs_trim));
/* Headset jack detection only if it is supported */
- if (pdata->jack_detection) {
+ if (priv->jack_detection) {
ret = snd_soc_jack_new(codec, "Headset Jack",
SND_JACK_HEADSET, &hs_jack);
if (ret)
@@ -265,6 +271,7 @@ static __devinit int omap_abe_probe(struct platform_device *pdev)
{
struct omap_abe_twl6040_data *pdata = dev_get_platdata(&pdev->dev);
struct snd_soc_card *card = &omap_abe_card;
+ struct abe_twl6040 *priv;
int num_links = 0;
int ret;
@@ -275,6 +282,10 @@ static __devinit int omap_abe_probe(struct platform_device *pdev)
return -ENODEV;
}
+ priv = devm_kzalloc(&pdev->dev, sizeof(struct abe_twl6040), GFP_KERNEL);
+ if (priv == NULL)
+ return -ENOMEM;
+
if (pdata->card_name) {
card->name = pdata->card_name;
} else {
@@ -282,7 +293,11 @@ static __devinit int omap_abe_probe(struct platform_device *pdev)
return -ENODEV;
}
- if (!pdata->mclk_freq) {
+ priv->jack_detection = pdata->jack_detection;
+ priv->mclk_freq = pdata->mclk_freq;
+
+
+ if (!priv->mclk_freq) {
dev_err(&pdev->dev, "MCLK frequency missing\n");
return -ENODEV;
}
@@ -295,6 +310,8 @@ static __devinit int omap_abe_probe(struct platform_device *pdev)
card->dai_link = abe_twl6040_dai_links;
card->num_links = num_links;
+ snd_soc_card_set_drvdata(card, priv);
+
ret = snd_soc_register_card(card);
if (ret)
dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",