[media] tea575x: split and export functions

Split ioctl interface from enum_freq_bands, g_tuner and s_hw_freq_seek
functions and export them to be used in other drivers like bttv.
Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

drivers/media/radio/tea575x.c

@@ -247,10 +247,9 @@ static int vidioc_querycap(struct file *file, void  *priv,
 	return 0;
 }
 
-static int vidioc_enum_freq_bands(struct file *file, void *priv,
-					 struct v4l2_frequency_band *band)
+int snd_tea575x_enum_freq_bands(struct snd_tea575x *tea,
+					struct v4l2_frequency_band *band)
 {
-	struct snd_tea575x *tea = video_drvdata(file);
 	int index;
 
 	if (band->tuner != 0)
@@ -279,18 +278,25 @@ static int vidioc_enum_freq_bands(struct file *file, void *priv,
 
 	return 0;
 }
+EXPORT_SYMBOL(snd_tea575x_enum_freq_bands);
 
-static int vidioc_g_tuner(struct file *file, void *priv,
-					struct v4l2_tuner *v)
+static int vidioc_enum_freq_bands(struct file *file, void *priv,
+					 struct v4l2_frequency_band *band)
 {
 	struct snd_tea575x *tea = video_drvdata(file);
+
+	return snd_tea575x_enum_freq_bands(tea, band);
+}
+
+int snd_tea575x_g_tuner(struct snd_tea575x *tea, struct v4l2_tuner *v)
+{
 	struct v4l2_frequency_band band_fm = { 0, };
 
 	if (v->index > 0)
 		return -EINVAL;
 
 	snd_tea575x_read(tea);
-	vidioc_enum_freq_bands(file, priv, &band_fm);
+	snd_tea575x_enum_freq_bands(tea, &band_fm);
 
 	memset(v, 0, sizeof(*v));
 	strlcpy(v->name, tea->has_am ? "FM/AM" : "FM", sizeof(v->name));
@@ -304,6 +310,15 @@ static int vidioc_g_tuner(struct file *file, void *priv,
 	v->signal = tea->tuned ? 0xffff : 0;
 	return 0;
 }
+EXPORT_SYMBOL(snd_tea575x_g_tuner);
+
+static int vidioc_g_tuner(struct file *file, void *priv,
+					struct v4l2_tuner *v)
+{
+	struct snd_tea575x *tea = video_drvdata(file);
+
+	return snd_tea575x_g_tuner(tea, v);
+}
 
 static int vidioc_s_tuner(struct file *file, void *priv,
 					const struct v4l2_tuner *v)
@@ -356,10 +371,9 @@ static int vidioc_s_frequency(struct file *file, void *priv,
 	return 0;
 }
 
-static int vidioc_s_hw_freq_seek(struct file *file, void *fh,
-					const struct v4l2_hw_freq_seek *a)
+int snd_tea575x_s_hw_freq_seek(struct file *file, struct snd_tea575x *tea,
+				const struct v4l2_hw_freq_seek *a)
 {
-	struct snd_tea575x *tea = video_drvdata(file);
 	unsigned long timeout;
 	int i, spacing;
 
@@ -442,6 +456,15 @@ static int vidioc_s_hw_freq_seek(struct file *file, void *fh,
 	snd_tea575x_set_freq(tea);
 	return -ENODATA;
 }
+EXPORT_SYMBOL(snd_tea575x_s_hw_freq_seek);
+
+static int vidioc_s_hw_freq_seek(struct file *file, void *fh,
+					const struct v4l2_hw_freq_seek *a)
+{
+	struct snd_tea575x *tea = video_drvdata(file);
+
+	return snd_tea575x_s_hw_freq_seek(file, tea, a);
+}
 
 static int tea575x_s_ctrl(struct v4l2_ctrl *ctrl)
 {

include/media/tea575x.h

@@ -71,6 +71,11 @@ struct snd_tea575x {
 	int (*ext_init)(struct snd_tea575x *tea);
 };
 
+int snd_tea575x_enum_freq_bands(struct snd_tea575x *tea,
+					struct v4l2_frequency_band *band);
+int snd_tea575x_g_tuner(struct snd_tea575x *tea, struct v4l2_tuner *v);
+int snd_tea575x_s_hw_freq_seek(struct file *file, struct snd_tea575x *tea,
+				const struct v4l2_hw_freq_seek *a);
 int snd_tea575x_hw_init(struct snd_tea575x *tea);
 int snd_tea575x_init(struct snd_tea575x *tea, struct module *owner);
 void snd_tea575x_exit(struct snd_tea575x *tea);