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path: root/drivers/media/pci/cx25821/cx25821-video.c
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Diffstat (limited to 'drivers/media/pci/cx25821/cx25821-video.c')
-rw-r--r--drivers/media/pci/cx25821/cx25821-video.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/media/pci/cx25821/cx25821-video.c b/drivers/media/pci/cx25821/cx25821-video.c
index 7cd888581f9e..c418e0d38c24 100644
--- a/drivers/media/pci/cx25821/cx25821-video.c
+++ b/drivers/media/pci/cx25821/cx25821-video.c
@@ -258,7 +258,7 @@ int cx25821_video_mux(struct cx25821_dev *dev, unsigned int input)
int cx25821_start_video_dma(struct cx25821_dev *dev,
struct cx25821_dmaqueue *q,
struct cx25821_buffer *buf,
- struct sram_channel *channel)
+ const struct sram_channel *channel)
{
int tmp = 0;
@@ -285,7 +285,7 @@ int cx25821_start_video_dma(struct cx25821_dev *dev,
static int cx25821_restart_video_queue(struct cx25821_dev *dev,
struct cx25821_dmaqueue *q,
- struct sram_channel *channel)
+ const struct sram_channel *channel)
{
struct cx25821_buffer *buf, *prev;
struct list_head *item;
@@ -338,7 +338,7 @@ static void cx25821_vid_timeout(unsigned long data)
{
struct cx25821_data *timeout_data = (struct cx25821_data *)data;
struct cx25821_dev *dev = timeout_data->dev;
- struct sram_channel *channel = timeout_data->channel;
+ const struct sram_channel *channel = timeout_data->channel;
struct cx25821_dmaqueue *q = &dev->channels[channel->i].vidq;
struct cx25821_buffer *buf;
unsigned long flags;
@@ -365,7 +365,7 @@ int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status)
u32 count = 0;
int handled = 0;
u32 mask;
- struct sram_channel *channel = dev->channels[chan_num].sram_channels;
+ const struct sram_channel *channel = dev->channels[chan_num].sram_channels;
mask = cx_read(channel->int_msk);
if (0 == (status & mask))
@@ -787,9 +787,11 @@ static int video_release(struct file *file)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_dev *dev = fh->dev;
+ const struct sram_channel *sram_ch =
+ dev->channels[0].sram_channels;
/* stop the risc engine and fifo */
- cx_write(channel0->dma_ctl, 0); /* FIFO and RISC disable */
+ cx_write(sram_ch->dma_ctl, 0); /* FIFO and RISC disable */
/* stop video capture */
if (cx25821_res_check(fh, RESOURCE_VIDEO0)) {
@@ -923,7 +925,7 @@ static int vidioc_log_status(struct file *file, void *priv)
{
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
struct cx25821_fh *fh = priv;
- struct sram_channel *sram_ch =
+ const struct sram_channel *sram_ch =
dev->channels[fh->channel_id].sram_channels;
u32 tmp = 0;

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