[media] cx25821: fix compiler warnings
media_build/v4l/cx25821-core.c: In function 'cx_i2c_read_print':
media_build/v4l/cx25821-core.c:386:6: warning: variable 'value' set but not used [-Wunused-but-set-variable]
media_build/v4l/cx25821-core.c: In function 'cx25821_dev_setup':
media_build/v4l/cx25821-core.c:899:6: warning: variable 'io_size' set but not used [-Wunused-but-set-variable]
media_build/v4l/cx25821-core.c: In function 'cx25821_irq':
media_build/v4l/cx25821-core.c:1321:18: warning: variable 'pci_mask' set but not used [-Wunused-but-set-variable]
media_build/v4l/cx25821-i2c.c: In function 'cx25821_i2c_read':
media_build/v4l/cx25821-i2c.c:365:6: warning: variable 'retval' set but not used [-Wunused-but-set-variable]
media_build/v4l/cx25821-medusa-video.c: In function 'medusa_enable_bluefield_output':
media_build/v4l/cx25821-medusa-video.c:39:6: warning: variable 'ret_val' set but not used [-Wunused-but-set-variable]
media_build/v4l/cx25821-medusa-video.c: In function 'medusa_set_resolution':
media_build/v4l/cx25821-medusa-video.c:435:6: warning: variable 'ret_val' set but not used [-Wunused-but-set-variable]
media_build/v4l/cx25821-medusa-video.c: In function 'medusa_set_decoderduration':
media_build/v4l/cx25821-medusa-video.c:498:6: warning: variable 'ret_val' set but not used [-Wunused-but-set-variable]
media_build/v4l/cx25821-video.c: In function 'cx25821_dump_video_queue':
media_build/v4l/cx25821-video.c:116:25: warning: variable 'buf' set but not used [-Wunused-but-set-variable]
media_build/v4l/cx25821-video.c: In function 'cx25821_buffer_prepare':
media_build/v4l/cx25821-video.c:561:20: warning: variable 'line1_offset' set but not used [-Wunused-but-set-variable]
media_build/v4l/cx25821-video.c: In function 'video_ioctl_set':
media_build/v4l/cx25821-video.c:1834:6: warning: variable 'value' set but not used [-Wunused-but-set-variable]
media_build/v4l/cx25821-video-upstream.c: In function 'cx25821_upstream_irq':
media_build/v4l/cx25821-video-upstream.c:641:6: warning: variable 'msk_stat' set but not used [-Wunused-but-set-variable]
media_build/v4l/cx25821-video-upstream-ch2.c: In function 'cx25821_upstream_irq_ch2':
media_build/v4l/cx25821-video-upstream-ch2.c:591:6: warning: variable 'msk_stat' set but not used [-Wunused-but-set-variable]
media_build/v4l/cx25821-audio-upstream.c: In function 'cx25821_upstream_irq_audio':
media_build/v4l/cx25821-audio-upstream.c:589:6: warning: variable 'msk_stat' 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>
diff --git a/drivers/media/video/cx25821/cx25821-medusa-video.c b/drivers/media/video/cx25821/cx25821-medusa-video.c
index 298a68d..313fb20 100644
--- a/drivers/media/video/cx25821/cx25821-medusa-video.c
+++ b/drivers/media/video/cx25821/cx25821-medusa-video.c
@@ -35,7 +35,6 @@
static void medusa_enable_bluefield_output(struct cx25821_dev *dev, int channel,
int enable)
{
- int ret_val = 1;
u32 value = 0;
u32 tmp = 0;
int out_ctrl = OUT_CTRL1;
@@ -79,13 +78,13 @@
value &= 0xFFFFFF7F; /* clear BLUE_FIELD_EN */
if (enable)
value |= 0x00000080; /* set BLUE_FIELD_EN */
- ret_val = cx25821_i2c_write(&dev->i2c_bus[0], out_ctrl, value);
+ cx25821_i2c_write(&dev->i2c_bus[0], out_ctrl, value);
value = cx25821_i2c_read(&dev->i2c_bus[0], out_ctrl_ns, &tmp);
value &= 0xFFFFFF7F;
if (enable)
value |= 0x00000080; /* set BLUE_FIELD_EN */
- ret_val = cx25821_i2c_write(&dev->i2c_bus[0], out_ctrl_ns, value);
+ cx25821_i2c_write(&dev->i2c_bus[0], out_ctrl_ns, value);
}
static int medusa_initialize_ntsc(struct cx25821_dev *dev)
@@ -431,7 +430,6 @@
{
int decoder = 0;
int decoder_count = 0;
- int ret_val = 0;
u32 hscale = 0x0;
u32 vscale = 0x0;
const int MAX_WIDTH = 720;
@@ -482,9 +480,9 @@
for (; decoder < decoder_count; decoder++) {
/* write scaling values for each decoder */
- ret_val = cx25821_i2c_write(&dev->i2c_bus[0],
+ cx25821_i2c_write(&dev->i2c_bus[0],
HSCALE_CTRL + (0x200 * decoder), hscale);
- ret_val = cx25821_i2c_write(&dev->i2c_bus[0],
+ cx25821_i2c_write(&dev->i2c_bus[0],
VSCALE_CTRL + (0x200 * decoder), vscale);
}
@@ -494,7 +492,6 @@
static void medusa_set_decoderduration(struct cx25821_dev *dev, int decoder,
int duration)
{
- int ret_val = 0;
u32 fld_cnt = 0;
u32 tmp = 0;
u32 disp_cnt_reg = DISP_AB_CNT;
@@ -537,7 +534,7 @@
fld_cnt |= ((u32) duration) << 16;
}
- ret_val = cx25821_i2c_write(&dev->i2c_bus[0], disp_cnt_reg, fld_cnt);
+ cx25821_i2c_write(&dev->i2c_bus[0], disp_cnt_reg, fld_cnt);
mutex_unlock(&dev->lock);
}