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authorBen Zhang <benzh@chromium.org>2015-06-22 11:13:00 -0700
committerMark Brown <broonie@kernel.org>2015-07-07 13:34:03 +0100
commit9bfde72157036f4eaa44f3e8982217ce1b3e14b6 (patch)
tree5c162a1f043e5ad803431007dc3dfa98e2ace299 /sound/soc/codecs/rt5677.c
parentefd901ee4bc8312e3bbf5561fdab8e3765e26334 (diff)
downloadlinux-9bfde72157036f4eaa44f3e8982217ce1b3e14b6.tar.gz
ASoC: rt5677: Switch to use unified device property API
This patch makes the driver use the unified device property API so that platform data can be provided by Device Tree, ACPI or board files. Signed-off-by: Ben Zhang <benzh@chromium.org> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs/rt5677.c')
-rw-r--r--sound/soc/codecs/rt5677.c57
1 files changed, 25 insertions, 32 deletions
diff --git a/sound/soc/codecs/rt5677.c b/sound/soc/codecs/rt5677.c
index 232243009e1e..13b871f11023 100644
--- a/sound/soc/codecs/rt5677.c
+++ b/sound/soc/codecs/rt5677.c
@@ -20,6 +20,7 @@
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
#include <linux/firmware.h>
+#include <linux/property.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
@@ -5021,27 +5022,29 @@ static const struct i2c_device_id rt5677_i2c_id[] = {
};
MODULE_DEVICE_TABLE(i2c, rt5677_i2c_id);
-static int rt5677_parse_dt(struct rt5677_priv *rt5677, struct device_node *np)
+static void rt5677_read_device_properties(struct rt5677_priv *rt5677,
+ struct device *dev)
{
- rt5677->pdata.in1_diff = of_property_read_bool(np,
- "realtek,in1-differential");
- rt5677->pdata.in2_diff = of_property_read_bool(np,
- "realtek,in2-differential");
- rt5677->pdata.lout1_diff = of_property_read_bool(np,
- "realtek,lout1-differential");
- rt5677->pdata.lout2_diff = of_property_read_bool(np,
- "realtek,lout2-differential");
- rt5677->pdata.lout3_diff = of_property_read_bool(np,
- "realtek,lout3-differential");
-
- of_property_read_u8_array(np, "realtek,gpio-config",
- rt5677->pdata.gpio_config, RT5677_GPIO_NUM);
-
- of_property_read_u32(np, "realtek,jd1-gpio", &rt5677->pdata.jd1_gpio);
- of_property_read_u32(np, "realtek,jd2-gpio", &rt5677->pdata.jd2_gpio);
- of_property_read_u32(np, "realtek,jd3-gpio", &rt5677->pdata.jd3_gpio);
-
- return 0;
+ rt5677->pdata.in1_diff = device_property_read_bool(dev,
+ "realtek,in1-differential");
+ rt5677->pdata.in2_diff = device_property_read_bool(dev,
+ "realtek,in2-differential");
+ rt5677->pdata.lout1_diff = device_property_read_bool(dev,
+ "realtek,lout1-differential");
+ rt5677->pdata.lout2_diff = device_property_read_bool(dev,
+ "realtek,lout2-differential");
+ rt5677->pdata.lout3_diff = device_property_read_bool(dev,
+ "realtek,lout3-differential");
+
+ device_property_read_u8_array(dev, "realtek,gpio-config",
+ rt5677->pdata.gpio_config, RT5677_GPIO_NUM);
+
+ device_property_read_u32(dev, "realtek,jd1-gpio",
+ &rt5677->pdata.jd1_gpio);
+ device_property_read_u32(dev, "realtek,jd2-gpio",
+ &rt5677->pdata.jd2_gpio);
+ device_property_read_u32(dev, "realtek,jd3-gpio",
+ &rt5677->pdata.jd3_gpio);
}
static struct regmap_irq rt5677_irqs[] = {
@@ -5124,18 +5127,8 @@ static int rt5677_i2c_probe(struct i2c_client *i2c,
if (pdata)
rt5677->pdata = *pdata;
-
- if (i2c->dev.of_node) {
- ret = rt5677_parse_dt(rt5677, i2c->dev.of_node);
- if (ret) {
- dev_err(&i2c->dev, "Failed to parse device tree: %d\n",
- ret);
- return ret;
- }
- } else {
- rt5677->pow_ldo2 = -EINVAL;
- rt5677->reset_pin = -EINVAL;
- }
+ else
+ rt5677_read_device_properties(rt5677, &i2c->dev);
/* pow-ldo2 and reset are optional. The codec pins may be statically
* connected on the board without gpios. If the gpio device property