[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>

1 files changed, 32 insertions, 9 deletions

diff --git a/drivers/media/radio/tea575x.c b/drivers/media/radio/tea575x.c
index f1a0867789fe..43d1ea53cb66 100644
--- a/drivers/media/radio/tea575x.c
+++ b/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)
 {