V4L/DVB (6908): tda8290: add the option not to probe for tuners passed into tda829x_config

Prevent the tda8290 module from probing for tuners during tda829x_attach,
by passing:

.probe_tuner = TDA829X_DONT_PROBE,

...in struct tda829x_config

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/tda8290.h b/drivers/media/video/tda8290.h
index 7bce031..dc8ef31 100644
--- a/drivers/media/video/tda8290.h
+++ b/drivers/media/video/tda8290.h
@@ -23,6 +23,10 @@
 struct tda829x_config {
 	unsigned int *lna_cfg;
 	int (*tuner_callback) (void *dev, int command, int arg);
+
+	unsigned int probe_tuner:1;
+#define TDA829X_PROBE_TUNER 0
+#define TDA829X_DONT_PROBE  1
 };
 
 #if defined(CONFIG_TUNER_TDA8290) || (defined(CONFIG_TUNER_TDA8290_MODULE) && defined(MODULE))