[media] si470x: v4l2-compliance fixes

Just a few fixes for problems found after updating v4l2-compliance to check
the frequency band enumeration.

Note that the i2c driver doesn't fill in bus_info, but since I can't test that
driver I've decided not to fix that.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/radio/si470x/radio-si470x-common.c

@@ -151,6 +151,7 @@ static const struct v4l2_frequency_band bands[] = {
 		.index = 0,
 		.capability = V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_STEREO |
 			    V4L2_TUNER_CAP_RDS | V4L2_TUNER_CAP_RDS_BLOCK_IO |
+			    V4L2_TUNER_CAP_FREQ_BANDS |
 			    V4L2_TUNER_CAP_HWSEEK_BOUNDED |
 			    V4L2_TUNER_CAP_HWSEEK_WRAP,
 		.rangelow   =  87500 * 16,
@@ -162,6 +163,7 @@ static const struct v4l2_frequency_band bands[] = {
 		.index = 1,
 		.capability = V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_STEREO |
 			    V4L2_TUNER_CAP_RDS | V4L2_TUNER_CAP_RDS_BLOCK_IO |
+			    V4L2_TUNER_CAP_FREQ_BANDS |
 			    V4L2_TUNER_CAP_HWSEEK_BOUNDED |
 			    V4L2_TUNER_CAP_HWSEEK_WRAP,
 		.rangelow   =  76000 * 16,
@@ -173,6 +175,7 @@ static const struct v4l2_frequency_band bands[] = {
 		.index = 2,
 		.capability = V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_STEREO |
 			    V4L2_TUNER_CAP_RDS | V4L2_TUNER_CAP_RDS_BLOCK_IO |
+			    V4L2_TUNER_CAP_FREQ_BANDS |
 			    V4L2_TUNER_CAP_HWSEEK_BOUNDED |
 			    V4L2_TUNER_CAP_HWSEEK_WRAP,
 		.rangelow   =  76000 * 16,

drivers/media/radio/si470x/radio-si470x-i2c.c

@@ -225,8 +225,9 @@ int si470x_vidioc_querycap(struct file *file, void *priv,
 {
 	strlcpy(capability->driver, DRIVER_NAME, sizeof(capability->driver));
 	strlcpy(capability->card, DRIVER_CARD, sizeof(capability->card));
-	capability->capabilities = V4L2_CAP_HW_FREQ_SEEK |
-		V4L2_CAP_TUNER | V4L2_CAP_RADIO;
+	capability->device_caps = V4L2_CAP_HW_FREQ_SEEK | V4L2_CAP_READWRITE |
+		V4L2_CAP_TUNER | V4L2_CAP_RADIO | V4L2_CAP_RDS_CAPTURE;
+	capability->capabilities = capability->device_caps | V4L2_CAP_DEVICE_CAPS;
 
 	return 0;
 }

drivers/media/radio/si470x/radio-si470x-usb.c

@@ -531,7 +531,7 @@ int si470x_vidioc_querycap(struct file *file, void *priv,
 	strlcpy(capability->card, DRIVER_CARD, sizeof(capability->card));
 	usb_make_path(radio->usbdev, capability->bus_info,
 			sizeof(capability->bus_info));
-	capability->device_caps = V4L2_CAP_HW_FREQ_SEEK |
+	capability->device_caps = V4L2_CAP_HW_FREQ_SEEK | V4L2_CAP_READWRITE |
 		V4L2_CAP_TUNER | V4L2_CAP_RADIO | V4L2_CAP_RDS_CAPTURE;
 	capability->capabilities = capability->device_caps | V4L2_CAP_DEVICE_CAPS;
 	return 0;