V4L/DVB (6384): Replace TDA9887_SET_CONFIG by TUNER_SET_CONFIG

Currently, the only tuner-specific device that allows special
configurations is tda9887. However, tea5767 also may require some
special configurations (for example, to specify a different Xtal freq).

This patch replaces TDA9887_SET_CONFIG by a more generic internal ioctl
(TUNER_SET_CONFIG). The newer one allows specifying what tuner is
appliable to a configuration set, and allows an arbitrary configuration
struct.

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/include/media/v4l2-common.h b/include/media/v4l2-common.h
index 181a40c..c019c1e 100644
--- a/include/media/v4l2-common.h
+++ b/include/media/v4l2-common.h
@@ -116,6 +116,11 @@
 	u32 type;		/* VBI service type (V4L2_SLICED_*). 0 if no service found */
 };
 
+struct v4l2_priv_tun_config {
+	int tuner;
+	void *priv;
+};
+
 /* audio ioctls */
 
 /* v4l device was opened in Radio mode, to be replaced by VIDIOC_INT_S_TUNER_MODE */
@@ -131,7 +136,7 @@
 #define TUNER_SET_STANDBY            _IOW('d', 91, int)
 
 /* Sets tda9887 specific stuff, like port1, port2 and qss */
-#define TDA9887_SET_CONFIG           _IOW('d', 92, int)
+#define TUNER_SET_CONFIG           _IOW('d', 92, struct v4l2_priv_tun_config)
 
 /* Switch the tuner to a specific tuner mode. Replacement of AUDC_SET_RADIO */
 #define VIDIOC_INT_S_TUNER_MODE	     _IOW('d', 93, enum v4l2_tuner_type)