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Diffstat (limited to 'drivers/media/pci/cx25821')
-rw-r--r--drivers/media/pci/cx25821/cx25821-audio-upstream.c44
-rw-r--r--drivers/media/pci/cx25821/cx25821-biffuncs.h6
-rw-r--r--drivers/media/pci/cx25821/cx25821-i2c.c4
-rw-r--r--drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c54
-rw-r--r--drivers/media/pci/cx25821/cx25821-video-upstream.c47
-rw-r--r--drivers/media/pci/cx25821/cx25821-video.c8
6 files changed, 85 insertions, 78 deletions
diff --git a/drivers/media/pci/cx25821/cx25821-audio-upstream.c b/drivers/media/pci/cx25821/cx25821-audio-upstream.c
index 8b2a99975c2..87491ca05ee 100644
--- a/drivers/media/pci/cx25821/cx25821-audio-upstream.c
+++ b/drivers/media/pci/cx25821/cx25821-audio-upstream.c
@@ -44,7 +44,7 @@ MODULE_LICENSE("GPL");
static int _intr_msk = FLD_AUD_SRC_RISCI1 | FLD_AUD_SRC_OF |
FLD_AUD_SRC_SYNC | FLD_AUD_SRC_OPC_ERR;
-int cx25821_sram_channel_setup_upstream_audio(struct cx25821_dev *dev,
+static int cx25821_sram_channel_setup_upstream_audio(struct cx25821_dev *dev,
struct sram_channel *ch,
unsigned int bpl, u32 risc)
{
@@ -133,7 +133,7 @@ static __le32 *cx25821_risc_field_upstream_audio(struct cx25821_dev *dev,
return rp;
}
-int cx25821_risc_buffer_upstream_audio(struct cx25821_dev *dev,
+static int cx25821_risc_buffer_upstream_audio(struct cx25821_dev *dev,
struct pci_dev *pci,
unsigned int bpl, unsigned int lines)
{
@@ -197,7 +197,7 @@ int cx25821_risc_buffer_upstream_audio(struct cx25821_dev *dev,
return 0;
}
-void cx25821_free_memory_audio(struct cx25821_dev *dev)
+static void cx25821_free_memory_audio(struct cx25821_dev *dev)
{
if (dev->_risc_virt_addr) {
pci_free_consistent(dev->pci, dev->_audiorisc_size,
@@ -256,7 +256,7 @@ void cx25821_free_mem_upstream_audio(struct cx25821_dev *dev)
cx25821_free_memory_audio(dev);
}
-int cx25821_get_audio_data(struct cx25821_dev *dev,
+static int cx25821_get_audio_data(struct cx25821_dev *dev,
struct sram_channel *sram_ch)
{
struct file *myfile;
@@ -351,7 +351,7 @@ static void cx25821_audioups_handler(struct work_struct *work)
sram_channels);
}
-int cx25821_openfile_audio(struct cx25821_dev *dev,
+static int cx25821_openfile_audio(struct cx25821_dev *dev,
struct sram_channel *sram_ch)
{
struct file *myfile;
@@ -490,7 +490,7 @@ error:
return ret;
}
-int cx25821_audio_upstream_irq(struct cx25821_dev *dev, int chan_num,
+static int cx25821_audio_upstream_irq(struct cx25821_dev *dev, int chan_num,
u32 status)
{
int i = 0;
@@ -634,8 +634,8 @@ static void cx25821_wait_fifo_enable(struct cx25821_dev *dev,
}
-int cx25821_start_audio_dma_upstream(struct cx25821_dev *dev,
- struct sram_channel *sram_ch)
+static int cx25821_start_audio_dma_upstream(struct cx25821_dev *dev,
+ struct sram_channel *sram_ch)
{
u32 tmp = 0;
int err = 0;
@@ -700,9 +700,7 @@ fail_irq:
int cx25821_audio_upstream_init(struct cx25821_dev *dev, int channel_select)
{
struct sram_channel *sram_ch;
- int retval = 0;
int err = 0;
- int str_length = 0;
if (dev->_audio_is_running) {
pr_warn("Audio Channel is still running so return!\n");
@@ -731,27 +729,29 @@ int cx25821_audio_upstream_init(struct cx25821_dev *dev, int channel_select)
_line_size = AUDIO_LINE_SIZE;
if (dev->input_audiofilename) {
- str_length = strlen(dev->input_audiofilename);
- dev->_audiofilename = kmemdup(dev->input_audiofilename,
- str_length + 1, GFP_KERNEL);
+ dev->_audiofilename = kstrdup(dev->input_audiofilename,
+ GFP_KERNEL);
- if (!dev->_audiofilename)
+ if (!dev->_audiofilename) {
+ err = -ENOMEM;
goto error;
+ }
/* Default if filename is empty string */
if (strcmp(dev->input_audiofilename, "") == 0)
dev->_audiofilename = "/root/audioGOOD.wav";
} else {
- str_length = strlen(_defaultAudioName);
- dev->_audiofilename = kmemdup(_defaultAudioName,
- str_length + 1, GFP_KERNEL);
+ dev->_audiofilename = kstrdup(_defaultAudioName,
+ GFP_KERNEL);
- if (!dev->_audiofilename)
+ if (!dev->_audiofilename) {
+ err = -ENOMEM;
goto error;
+ }
}
- retval = cx25821_sram_channel_setup_upstream_audio(dev, sram_ch,
- _line_size, 0);
+ cx25821_sram_channel_setup_upstream_audio(dev, sram_ch,
+ _line_size, 0);
dev->audio_upstream_riscbuf_size =
AUDIO_RISC_DMA_BUF_SIZE * NUM_AUDIO_PROGS +
@@ -759,9 +759,9 @@ int cx25821_audio_upstream_init(struct cx25821_dev *dev, int channel_select)
dev->audio_upstream_databuf_size = AUDIO_DATA_BUF_SZ * NUM_AUDIO_PROGS;
/* Allocating buffers and prepare RISC program */
- retval = cx25821_audio_upstream_buffer_prepare(dev, sram_ch,
+ err = cx25821_audio_upstream_buffer_prepare(dev, sram_ch,
_line_size);
- if (retval < 0) {
+ if (err < 0) {
pr_err("%s: Failed to set up Audio upstream buffers!\n",
dev->name);
goto error;
diff --git a/drivers/media/pci/cx25821/cx25821-biffuncs.h b/drivers/media/pci/cx25821/cx25821-biffuncs.h
index 9326a7c729e..937f5a70fb7 100644
--- a/drivers/media/pci/cx25821/cx25821-biffuncs.h
+++ b/drivers/media/pci/cx25821/cx25821-biffuncs.h
@@ -25,17 +25,17 @@
#define SetBit(Bit) (1 << Bit)
-inline u8 getBit(u32 sample, u8 index)
+static inline u8 getBit(u32 sample, u8 index)
{
return (u8) ((sample >> index) & 1);
}
-inline u32 clearBitAtPos(u32 value, u8 bit)
+static inline u32 clearBitAtPos(u32 value, u8 bit)
{
return value & ~(1 << bit);
}
-inline u32 setBitAtPos(u32 sample, u8 bit)
+static inline u32 setBitAtPos(u32 sample, u8 bit)
{
sample |= (1 << bit);
return sample;
diff --git a/drivers/media/pci/cx25821/cx25821-i2c.c b/drivers/media/pci/cx25821/cx25821-i2c.c
index 9844549764c..a8dc945bbe1 100644
--- a/drivers/media/pci/cx25821/cx25821-i2c.c
+++ b/drivers/media/pci/cx25821/cx25821-i2c.c
@@ -329,7 +329,8 @@ int cx25821_i2c_unregister(struct cx25821_i2c *bus)
return 0;
}
-void cx25821_av_clk(struct cx25821_dev *dev, int enable)
+#if 0 /* Currently unused */
+static void cx25821_av_clk(struct cx25821_dev *dev, int enable)
{
/* write 0 to bus 2 addr 0x144 via i2x_xfer() */
char buffer[3];
@@ -351,6 +352,7 @@ void cx25821_av_clk(struct cx25821_dev *dev, int enable)
i2c_xfer(&dev->i2c_bus[0].i2c_adap, &msg, 1);
}
+#endif
int cx25821_i2c_read(struct cx25821_i2c *bus, u16 reg_addr, int *value)
{
diff --git a/drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c b/drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c
index d33fc1a2303..cf2723c7197 100644
--- a/drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c
+++ b/drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c
@@ -123,10 +123,11 @@ static __le32 *cx25821_risc_field_upstream_ch2(struct cx25821_dev *dev,
return rp;
}
-int cx25821_risc_buffer_upstream_ch2(struct cx25821_dev *dev,
- struct pci_dev *pci,
- unsigned int top_offset, unsigned int bpl,
- unsigned int lines)
+static int cx25821_risc_buffer_upstream_ch2(struct cx25821_dev *dev,
+ struct pci_dev *pci,
+ unsigned int top_offset,
+ unsigned int bpl,
+ unsigned int lines)
{
__le32 *rp;
int fifo_enable = 0;
@@ -255,7 +256,8 @@ void cx25821_free_mem_upstream_ch2(struct cx25821_dev *dev)
}
}
-int cx25821_get_frame_ch2(struct cx25821_dev *dev, struct sram_channel *sram_ch)
+static int cx25821_get_frame_ch2(struct cx25821_dev *dev,
+ struct sram_channel *sram_ch)
{
struct file *myfile;
int frame_index_temp = dev->_frame_index_ch2;
@@ -360,7 +362,8 @@ static void cx25821_vidups_handler_ch2(struct work_struct *work)
_channel2_upstream_select].sram_channels);
}
-int cx25821_openfile_ch2(struct cx25821_dev *dev, struct sram_channel *sram_ch)
+static int cx25821_openfile_ch2(struct cx25821_dev *dev,
+ struct sram_channel *sram_ch)
{
struct file *myfile;
int i = 0, j = 0;
@@ -507,8 +510,9 @@ error:
return ret;
}
-int cx25821_video_upstream_irq_ch2(struct cx25821_dev *dev, int chan_num,
- u32 status)
+static int cx25821_video_upstream_irq_ch2(struct cx25821_dev *dev,
+ int chan_num,
+ u32 status)
{
u32 int_msk_tmp;
struct sram_channel *channel = dev->channels[chan_num].sram_channels;
@@ -647,8 +651,8 @@ static void cx25821_set_pixelengine_ch2(struct cx25821_dev *dev,
cx_write(ch->vid_cdt_size, VID_CDT_SIZE >> 3);
}
-int cx25821_start_video_dma_upstream_ch2(struct cx25821_dev *dev,
- struct sram_channel *sram_ch)
+static int cx25821_start_video_dma_upstream_ch2(struct cx25821_dev *dev,
+ struct sram_channel *sram_ch)
{
u32 tmp = 0;
int err = 0;
@@ -704,11 +708,9 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select,
{
struct sram_channel *sram_ch;
u32 tmp;
- int retval = 0;
int err = 0;
int data_frame_size = 0;
int risc_buffer_size = 0;
- int str_length = 0;
if (dev->_is_running_ch2) {
pr_info("Video Channel is still running so return!\n");
@@ -744,20 +746,16 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select,
risc_buffer_size = dev->_isNTSC_ch2 ?
NTSC_RISC_BUF_SIZE : PAL_RISC_BUF_SIZE;
- if (dev->input_filename_ch2) {
- str_length = strlen(dev->input_filename_ch2);
- dev->_filename_ch2 = kmemdup(dev->input_filename_ch2,
- str_length + 1, GFP_KERNEL);
-
- if (!dev->_filename_ch2)
- goto error;
- } else {
- str_length = strlen(dev->_defaultname_ch2);
- dev->_filename_ch2 = kmemdup(dev->_defaultname_ch2,
- str_length + 1, GFP_KERNEL);
+ if (dev->input_filename_ch2)
+ dev->_filename_ch2 = kstrdup(dev->input_filename_ch2,
+ GFP_KERNEL);
+ else
+ dev->_filename_ch2 = kstrdup(dev->_defaultname_ch2,
+ GFP_KERNEL);
- if (!dev->_filename_ch2)
- goto error;
+ if (!dev->_filename_ch2) {
+ err = -ENOENT;
+ goto error;
}
/* Default if filename is empty string */
@@ -773,7 +771,7 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select,
}
}
- retval = cx25821_sram_channel_setup_upstream(dev, sram_ch,
+ err = cx25821_sram_channel_setup_upstream(dev, sram_ch,
dev->_line_size_ch2, 0);
/* setup fifo + format */
@@ -783,9 +781,9 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select,
dev->upstream_databuf_size_ch2 = data_frame_size * 2;
/* Allocating buffers and prepare RISC program */
- retval = cx25821_upstream_buffer_prepare_ch2(dev, sram_ch,
+ err = cx25821_upstream_buffer_prepare_ch2(dev, sram_ch,
dev->_line_size_ch2);
- if (retval < 0) {
+ if (err < 0) {
pr_err("%s: Failed to set up Video upstream buffers!\n",
dev->name);
goto error;
diff --git a/drivers/media/pci/cx25821/cx25821-video-upstream.c b/drivers/media/pci/cx25821/cx25821-video-upstream.c
index 6759fff8eb6..7fc97110d97 100644
--- a/drivers/media/pci/cx25821/cx25821-video-upstream.c
+++ b/drivers/media/pci/cx25821/cx25821-video-upstream.c
@@ -173,10 +173,10 @@ static __le32 *cx25821_risc_field_upstream(struct cx25821_dev *dev, __le32 * rp,
return rp;
}
-int cx25821_risc_buffer_upstream(struct cx25821_dev *dev,
- struct pci_dev *pci,
- unsigned int top_offset,
- unsigned int bpl, unsigned int lines)
+static int cx25821_risc_buffer_upstream(struct cx25821_dev *dev,
+ struct pci_dev *pci,
+ unsigned int top_offset,
+ unsigned int bpl, unsigned int lines)
{
__le32 *rp;
int fifo_enable = 0;
@@ -300,7 +300,8 @@ void cx25821_free_mem_upstream_ch1(struct cx25821_dev *dev)
}
}
-int cx25821_get_frame(struct cx25821_dev *dev, struct sram_channel *sram_ch)
+static int cx25821_get_frame(struct cx25821_dev *dev,
+ struct sram_channel *sram_ch)
{
struct file *myfile;
int frame_index_temp = dev->_frame_index;
@@ -405,7 +406,8 @@ static void cx25821_vidups_handler(struct work_struct *work)
sram_channels);
}
-int cx25821_openfile(struct cx25821_dev *dev, struct sram_channel *sram_ch)
+static int cx25821_openfile(struct cx25821_dev *dev,
+ struct sram_channel *sram_ch)
{
struct file *myfile;
int i = 0, j = 0;
@@ -486,8 +488,9 @@ int cx25821_openfile(struct cx25821_dev *dev, struct sram_channel *sram_ch)
return 0;
}
-int cx25821_upstream_buffer_prepare(struct cx25821_dev *dev,
- struct sram_channel *sram_ch, int bpl)
+static int cx25821_upstream_buffer_prepare(struct cx25821_dev *dev,
+ struct sram_channel *sram_ch,
+ int bpl)
{
int ret = 0;
dma_addr_t dma_addr;
@@ -548,8 +551,8 @@ error:
return ret;
}
-int cx25821_video_upstream_irq(struct cx25821_dev *dev, int chan_num,
- u32 status)
+static int cx25821_video_upstream_irq(struct cx25821_dev *dev, int chan_num,
+ u32 status)
{
u32 int_msk_tmp;
struct sram_channel *channel = dev->channels[chan_num].sram_channels;
@@ -664,8 +667,9 @@ static irqreturn_t cx25821_upstream_irq(int irq, void *dev_id)
return IRQ_RETVAL(handled);
}
-void cx25821_set_pixelengine(struct cx25821_dev *dev, struct sram_channel *ch,
- int pix_format)
+static void cx25821_set_pixelengine(struct cx25821_dev *dev,
+ struct sram_channel *ch,
+ int pix_format)
{
int width = WIDTH_D1;
int height = dev->_lines_count;
@@ -696,8 +700,8 @@ void cx25821_set_pixelengine(struct cx25821_dev *dev, struct sram_channel *ch,
cx_write(ch->vid_cdt_size, VID_CDT_SIZE >> 3);
}
-int cx25821_start_video_dma_upstream(struct cx25821_dev *dev,
- struct sram_channel *sram_ch)
+static int cx25821_start_video_dma_upstream(struct cx25821_dev *dev,
+ struct sram_channel *sram_ch)
{
u32 tmp = 0;
int err = 0;
@@ -753,7 +757,6 @@ int cx25821_vidupstream_init_ch1(struct cx25821_dev *dev, int channel_select,
{
struct sram_channel *sram_ch;
u32 tmp;
- int retval = 0;
int err = 0;
int data_frame_size = 0;
int risc_buffer_size = 0;
@@ -796,15 +799,19 @@ int cx25821_vidupstream_init_ch1(struct cx25821_dev *dev, int channel_select,
dev->_filename = kmemdup(dev->input_filename, str_length + 1,
GFP_KERNEL);
- if (!dev->_filename)
+ if (!dev->_filename) {
+ err = -ENOENT;
goto error;
+ }
} else {
str_length = strlen(dev->_defaultname);
dev->_filename = kmemdup(dev->_defaultname, str_length + 1,
GFP_KERNEL);
- if (!dev->_filename)
+ if (!dev->_filename) {
+ err = -ENOENT;
goto error;
+ }
}
/* Default if filename is empty string */
@@ -828,7 +835,7 @@ int cx25821_vidupstream_init_ch1(struct cx25821_dev *dev, int channel_select,
dev->_line_size = (dev->_pixel_format == PIXEL_FRMT_422) ?
(WIDTH_D1 * 2) : (WIDTH_D1 * 3) / 2;
- retval = cx25821_sram_channel_setup_upstream(dev, sram_ch,
+ err = cx25821_sram_channel_setup_upstream(dev, sram_ch,
dev->_line_size, 0);
/* setup fifo + format */
@@ -838,8 +845,8 @@ int cx25821_vidupstream_init_ch1(struct cx25821_dev *dev, int channel_select,
dev->upstream_databuf_size = data_frame_size * 2;
/* Allocating buffers and prepare RISC program */
- retval = cx25821_upstream_buffer_prepare(dev, sram_ch, dev->_line_size);
- if (retval < 0) {
+ err = cx25821_upstream_buffer_prepare(dev, sram_ch, dev->_line_size);
+ if (err < 0) {
pr_err("%s: Failed to set up Video upstream buffers!\n",
dev->name);
goto error;
diff --git a/drivers/media/pci/cx25821/cx25821-video.c b/drivers/media/pci/cx25821/cx25821-video.c
index 0a80245165d..53b16dd7032 100644
--- a/drivers/media/pci/cx25821/cx25821-video.c
+++ b/drivers/media/pci/cx25821/cx25821-video.c
@@ -291,9 +291,9 @@ int cx25821_start_video_dma(struct cx25821_dev *dev,
return 0;
}
-int cx25821_restart_video_queue(struct cx25821_dev *dev,
- struct cx25821_dmaqueue *q,
- struct sram_channel *channel)
+static int cx25821_restart_video_queue(struct cx25821_dev *dev,
+ struct cx25821_dmaqueue *q,
+ struct sram_channel *channel)
{
struct cx25821_buffer *buf, *prev;
struct list_head *item;
@@ -342,7 +342,7 @@ int cx25821_restart_video_queue(struct cx25821_dev *dev,
}
}
-void cx25821_vid_timeout(unsigned long data)
+static void cx25821_vid_timeout(unsigned long data)
{
struct cx25821_data *timeout_data = (struct cx25821_data *)data;
struct cx25821_dev *dev = timeout_data->dev;