diff options
Diffstat (limited to 'drivers/media/pci/cx25821/cx25821-audio-upstream.c')
| -rw-r--r-- | drivers/media/pci/cx25821/cx25821-audio-upstream.c | 43 |
1 files changed, 17 insertions, 26 deletions
diff --git a/drivers/media/pci/cx25821/cx25821-audio-upstream.c b/drivers/media/pci/cx25821/cx25821-audio-upstream.c index 87491ca..b9be535 100644 --- a/drivers/media/pci/cx25821/cx25821-audio-upstream.c +++ b/drivers/media/pci/cx25821/cx25821-audio-upstream.c @@ -45,7 +45,7 @@ static int _intr_msk = FLD_AUD_SRC_RISCI1 | FLD_AUD_SRC_OF | FLD_AUD_SRC_SYNC | FLD_AUD_SRC_OPC_ERR; static int cx25821_sram_channel_setup_upstream_audio(struct cx25821_dev *dev, - struct sram_channel *ch, + const struct sram_channel *ch, unsigned int bpl, u32 risc) { unsigned int i, lines; @@ -106,7 +106,7 @@ static __le32 *cx25821_risc_field_upstream_audio(struct cx25821_dev *dev, int fifo_enable) { unsigned int line; - struct sram_channel *sram_ch = + const struct sram_channel *sram_ch = dev->channels[dev->_audio_upstream_channel].sram_channels; int offset = 0; @@ -215,7 +215,7 @@ static void cx25821_free_memory_audio(struct cx25821_dev *dev) void cx25821_stop_upstream_audio(struct cx25821_dev *dev) { - struct sram_channel *sram_ch = + const struct sram_channel *sram_ch = dev->channels[AUDIO_UPSTREAM_SRAM_CHANNEL_B].sram_channels; u32 tmp = 0; @@ -257,7 +257,7 @@ void cx25821_free_mem_upstream_audio(struct cx25821_dev *dev) } static int cx25821_get_audio_data(struct cx25821_dev *dev, - struct sram_channel *sram_ch) + const struct sram_channel *sram_ch) { struct file *myfile; int frame_index_temp = dev->_audioframe_index; @@ -352,7 +352,7 @@ static void cx25821_audioups_handler(struct work_struct *work) } static int cx25821_openfile_audio(struct cx25821_dev *dev, - struct sram_channel *sram_ch) + const struct sram_channel *sram_ch) { struct file *myfile; int i = 0, j = 0; @@ -433,7 +433,7 @@ static int cx25821_openfile_audio(struct cx25821_dev *dev, } static int cx25821_audio_upstream_buffer_prepare(struct cx25821_dev *dev, - struct sram_channel *sram_ch, + const struct sram_channel *sram_ch, int bpl) { int ret = 0; @@ -495,7 +495,7 @@ static int cx25821_audio_upstream_irq(struct cx25821_dev *dev, int chan_num, { int i = 0; u32 int_msk_tmp; - struct sram_channel *channel = dev->channels[chan_num].sram_channels; + const struct sram_channel *channel = dev->channels[chan_num].sram_channels; dma_addr_t risc_phys_jump_addr; __le32 *rp; @@ -587,7 +587,7 @@ static irqreturn_t cx25821_upstream_irq_audio(int irq, void *dev_id) struct cx25821_dev *dev = dev_id; u32 audio_status; int handled = 0; - struct sram_channel *sram_ch; + const struct sram_channel *sram_ch; if (!dev) return -1; @@ -611,7 +611,7 @@ static irqreturn_t cx25821_upstream_irq_audio(int irq, void *dev_id) } static void cx25821_wait_fifo_enable(struct cx25821_dev *dev, - struct sram_channel *sram_ch) + const struct sram_channel *sram_ch) { int count = 0; u32 tmp; @@ -635,7 +635,7 @@ static void cx25821_wait_fifo_enable(struct cx25821_dev *dev, } static int cx25821_start_audio_dma_upstream(struct cx25821_dev *dev, - struct sram_channel *sram_ch) + const struct sram_channel *sram_ch) { u32 tmp = 0; int err = 0; @@ -699,7 +699,7 @@ fail_irq: int cx25821_audio_upstream_init(struct cx25821_dev *dev, int channel_select) { - struct sram_channel *sram_ch; + const struct sram_channel *sram_ch; int err = 0; if (dev->_audio_is_running) { @@ -728,26 +728,17 @@ int cx25821_audio_upstream_init(struct cx25821_dev *dev, int channel_select) dev->_audio_lines_count = LINES_PER_AUDIO_BUFFER; _line_size = AUDIO_LINE_SIZE; - if (dev->input_audiofilename) { + if ((dev->input_audiofilename) && + (strcmp(dev->input_audiofilename, "") != 0)) dev->_audiofilename = kstrdup(dev->input_audiofilename, GFP_KERNEL); - - 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 { + else dev->_audiofilename = kstrdup(_defaultAudioName, GFP_KERNEL); - if (!dev->_audiofilename) { - err = -ENOMEM; - goto error; - } + if (!dev->_audiofilename) { + err = -ENOMEM; + goto error; } cx25821_sram_channel_setup_upstream_audio(dev, sram_ch, |