summaryrefslogtreecommitdiff
path: root/drivers/media/pci/cx25821/cx25821-audio-upstream.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/pci/cx25821/cx25821-audio-upstream.c')
-rw-r--r--drivers/media/pci/cx25821/cx25821-audio-upstream.c44
1 files changed, 22 insertions, 22 deletions
diff --git a/drivers/media/pci/cx25821/cx25821-audio-upstream.c b/drivers/media/pci/cx25821/cx25821-audio-upstream.c
index 8b2a99975c23..87491ca05ee5 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;