V4L/DVB (5924): ivtv-fb: initializing the fb should trigger ivtv firmware load

ivtv-fb: initializing the framebuffer should trigger ivtv firmware load
Signed-off-by: NHans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/video/ivtv/ivtv-driver.c

@@ -1189,6 +1189,12 @@ int ivtv_init_on_first_open(struct ivtv *itv)
 	int fw_retry_count = 3;
 	int video_input;
 
+	if (test_bit(IVTV_F_I_FAILED, &itv->i_flags))
+		return -ENXIO;
+
+	if (test_and_set_bit(IVTV_F_I_INITED, &itv->i_flags))
+		return 0;
+
 	while (--fw_retry_count > 0) {
 		/* load firmware */
 		if (ivtv_firmware_init(itv) == 0)
@@ -1196,9 +1202,10 @@ int ivtv_init_on_first_open(struct ivtv *itv)
 		if (fw_retry_count > 1)
 			IVTV_WARN("Retry loading firmware\n");
 	}
+
 	if (fw_retry_count == 0) {
-		IVTV_ERR("Error initializing firmware\n");
-		return -1;
+		set_bit(IVTV_F_I_FAILED, &itv->i_flags);
+		return -ENXIO;
 	}
 
 	/* Try and get firmware versions */
@@ -1381,6 +1388,7 @@ EXPORT_SYMBOL(ivtv_udma_setup);
 EXPORT_SYMBOL(ivtv_udma_unmap);
 EXPORT_SYMBOL(ivtv_udma_alloc);
 EXPORT_SYMBOL(ivtv_udma_prepare);
+EXPORT_SYMBOL(ivtv_init_on_first_open);
 
 module_init(module_start);
 module_exit(module_cleanup);

drivers/media/video/ivtv/ivtv-fb.c

@@ -1013,6 +1013,11 @@ static int ivtvfb_init_io(struct ivtv *itv)
 {
 	struct osd_info *oi = itv->osd_info;
 
+	if (ivtv_init_on_first_open(itv)) {
+		IVTV_FB_ERR("Failed to initialize ivtv\n");
+		return -ENXIO;
+	}
+
 	ivtv_fb_get_framebuffer(itv, &oi->video_rbase, &oi->video_buffer_size);
 
 	/* The osd buffer size depends on the number of video buffers allocated

drivers/media/video/ivtv/ivtv-fileops.c

@@ -846,16 +846,12 @@ int ivtv_v4l2_open(struct inode *inode, struct file *filp)
 	if (itv == NULL) {
 		/* Couldn't find a device registered
 		   on that minor, shouldn't happen! */
-		printk(KERN_WARNING "ivtv:  No ivtv device found on minor %d\n", minor);
+		IVTV_WARN("No ivtv device found on minor %d\n", minor);
 		return -ENXIO;
 	}
 
-	if (!test_and_set_bit(IVTV_F_I_INITED, &itv->i_flags))
-		if (ivtv_init_on_first_open(itv))
-			set_bit(IVTV_F_I_FAILED, &itv->i_flags);
-
-	if (test_bit(IVTV_F_I_FAILED, &itv->i_flags)) {
-		printk(KERN_WARNING "ivtv:  failed to initialize on minor %d\n", minor);
+	if (ivtv_init_on_first_open(itv)) {
+		IVTV_ERR("Failed to initialize on minor %d\n", minor);
 		return -ENXIO;
 	}