[media] v4l: fix compiler warnings

media_build/v4l/adv7343.c: In function 'adv7343_setstd':
media_build/v4l/adv7343.c:133:6: warning: variable 'output_idx' set but not used [-Wunused-but-set-variable]
media_build/v4l/tvp5150.c: In function 'tvp5150_mbus_fmt':
media_build/v4l/tvp5150.c:833:14: warning: variable 'std' set but not used [-Wunused-but-set-variable]
media_build/v4l/tvp7002.c: In function 'tvp7002_query_dv_preset':
media_build/v4l/tvp7002.c:673:18: warning: variable 'device' set but not used [-Wunused-but-set-variable]
media_build/v4l/c-qcam.c: In function 'qc_capture':
media_build/v4l/c-qcam.c:381:33: warning: variable 'bitsperxfer' set but not used [-Wunused-but-set-variable]
media_build/v4l/pms.c: In function 'pms_s_std':
media_build/v4l/pms.c:738:6: warning: variable 'ret' set but not used [-Wunused-but-set-variable]
media_build/v4l/pms.c: In function 'init_mediavision':
media_build/v4l/pms.c:959:6: warning: variable 'id' set but not used [-Wunused-but-set-variable]
media_build/v4l/cx25821-alsa.c: In function 'cx25821_irq':
media_build/v4l/cx25821-alsa.c:294:6: warning: variable 'audint_count' set but not used [-Wunused-but-set-variable]
media_build/v4l/zr364xx.c: In function 'zr364xx_fillbuff':
media_build/v4l/zr364xx.c:510:25: warning: variable 'frm' set but not used [-Wunused-but-set-variable]
media_build/v4l/s2255drv.c: In function 's2255_fillbuff':
media_build/v4l/s2255drv.c:637:23: warning: variable 'frm' set but not used [-Wunused-but-set-variable]
media_build/v4l/s2255drv.c: In function 'vidioc_s_fmt_vid_cap':
media_build/v4l/s2255drv.c:990:6: warning: variable 'norm' set but not used [-Wunused-but-set-variable]
media_build/v4l/tm6000-stds.c: In function 'tm6000_set_audio_std':
media_build/v4l/tm6000-stds.c:341:10: warning: variable 'nicam_flag' set but not used [-Wunused-but-set-variable]
media_build/v4l/tm6000-video.c: In function 'get_next_buf':
media_build/v4l/tm6000-video.c:172:8: warning: variable 'outp' set but not used [-Wunused-but-set-variable]
media_build/v4l/tm6000-video.c: In function 'copy_streams':
media_build/v4l/tm6000-video.c:214:36: warning: variable 'c' set but not used [-Wunused-but-set-variable]
media_build/v4l/tm6000-input.c: In function 'tm6000_ir_urb_received':
media_build/v4l/tm6000-input.c:171:6: warning: variable 'rc' set but not used [-Wunused-but-set-variable]
media_build/v4l/usbvision-core.c: In function 'usbvision_decompress':
media_build/v4l/usbvision-core.c:604:23: warning: variable 'max_pos' set but not used [-Wunused-but-set-variable]
media_build/v4l/usbvision-core.c: In function 'usbvision_parse_compress':
media_build/v4l/usbvision-core.c:705:39: warning: variable 'rc' set but not used [-Wunused-but-set-variable]
media_build/v4l/usbvision-core.c:705:22: warning: variable 'bytes_per_pixel' set but not used [-Wunused-but-set-variable]
media_build/v4l/zoran_device.c: In function 'write_overlay_mask':
media_build/v4l/zoran_device.c:545:6: warning: variable 'reg' set but not used [-Wunused-but-set-variable]
media_build/v4l/go7007-v4l2.c: In function 'go7007_streamoff':
media_build/v4l/go7007-v4l2.c:79:6: warning: variable 'retval' set but not used [-Wunused-but-set-variable]

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

3 files changed, 2 insertions, 12 deletions

diff --git a/drivers/media/video/tm6000/tm6000-input.c b/drivers/media/video/tm6000/tm6000-input.c
index 859eb90e4d56..e80b7e190471 100644
--- a/drivers/media/video/tm6000/tm6000-input.c
+++ b/drivers/media/video/tm6000/tm6000-input.c
@@ -168,7 +168,6 @@ static void tm6000_ir_urb_received(struct urb *urb)
 	struct tm6000_IR *ir = dev->ir;
 	struct tm6000_ir_poll_result poll_result;
 	char *buf;
-	int rc;
 
 	dprintk(2, "%s\n",__func__);
 	if (urb->status < 0 || urb->actual_length <= 0) {
@@ -192,7 +191,7 @@ static void tm6000_ir_urb_received(struct urb *urb)
 	dprintk(1, "%s, scancode: 0x%04x\n",__func__, poll_result.rc_data);
 	rc_keydown(ir->rc, poll_result.rc_data, 0);
 
-	rc = usb_submit_urb(urb, GFP_ATOMIC);
+	usb_submit_urb(urb, GFP_ATOMIC);
 	/*
 	 * Flash the led. We can't do it here, as it is running on IRQ context.
 	 * So, use the scheduler to do it, in a few ms.
diff --git a/drivers/media/video/tm6000/tm6000-stds.c b/drivers/media/video/tm6000/tm6000-stds.c
index 9dc0831d813f..5e28d6a2412f 100644
--- a/drivers/media/video/tm6000/tm6000-stds.c
+++ b/drivers/media/video/tm6000/tm6000-stds.c
@@ -338,7 +338,6 @@ static int tm6000_set_audio_std(struct tm6000_core *dev)
 	uint8_t areg_02 = 0x04; /* GC1 Fixed gain 0dB */
 	uint8_t areg_05 = 0x01; /* Auto 4.5 = M Japan, Auto 6.5 = DK */
 	uint8_t areg_06 = 0x02; /* Auto de-emphasis, mannual channel mode */
-	uint8_t nicam_flag = 0; /* No NICAM */
 
 	if (dev->radio) {
 		tm6000_set_reg(dev, TM6010_REQ08_R01_A_INIT, 0x00);
@@ -398,7 +397,6 @@ static int tm6000_set_audio_std(struct tm6000_core *dev)
 		} else {
 			areg_05 = 0x07;
 		}
-		nicam_flag = 1;
 		break;
 	/* other */
 	case 3:
diff --git a/drivers/media/video/tm6000/tm6000-video.c b/drivers/media/video/tm6000/tm6000-video.c
index 375f26abd916..f7034df94e0a 100644
--- a/drivers/media/video/tm6000/tm6000-video.c
+++ b/drivers/media/video/tm6000/tm6000-video.c
@@ -169,7 +169,6 @@ static inline void get_next_buf(struct tm6000_dmaqueue *dma_q,
 			       struct tm6000_buffer   **buf)
 {
 	struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq);
-	char *outp;
 
 	if (list_empty(&dma_q->active)) {
 		dprintk(dev, V4L2_DEBUG_QUEUE, "No active queue to serve\n");
@@ -179,11 +178,6 @@ static inline void get_next_buf(struct tm6000_dmaqueue *dma_q,
 
 	*buf = list_entry(dma_q->active.next,
 			struct tm6000_buffer, vb.queue);
-
-	/* Cleans up buffer - Useful for testing for frame/URB loss */
-	outp = videobuf_to_vmalloc(&(*buf)->vb);
-
-	return;
 }
 
 /*
@@ -211,7 +205,7 @@ static int copy_streams(u8 *data, unsigned long len,
 {
 	struct tm6000_dmaqueue  *dma_q = urb->context;
 	struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq);
-	u8 *ptr = data, *endp = data+len, c;
+	u8 *ptr = data, *endp = data+len;
 	unsigned long header = 0;
 	int rc = 0;
 	unsigned int cmd, cpysize, pktsize, size, field, block, line, pos = 0;
@@ -264,7 +258,6 @@ static int copy_streams(u8 *data, unsigned long len,
 			}
 
 			/* split the header fields */
-			c = (header >> 24) & 0xff;
 			size = ((header & 0x7e) << 1);
 			if (size > 0)
 				size -= 4;