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Staging: cx25821 fixed C99 comments, white spaces and unnecessary braces
This patch fixes some C99 style comments, trailing white spaces and some unnecessary 'if' braces found by checkpatch.pl Signed-off-by: Wouter Van Rooy <wouter.vanrooy@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Wouter Van Rooy
Greg Kroah-Hartman
parent
0686e4f4a2
commit
2a613e41ec
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@ -42,10 +42,10 @@
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#define AUDIO_SRAM_CHANNEL SRAM_CH08
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#define dprintk(level,fmt, arg...) if (debug >= level) \
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#define dprintk(level, fmt, arg...) if (debug >= level) \
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printk(KERN_INFO "%s/1: " fmt, chip->dev->name , ## arg)
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#define dprintk_core(level,fmt, arg...) if (debug >= level) \
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#define dprintk_core(level, fmt, arg...) if (debug >= level) \
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printk(KERN_DEBUG "%s/1: " fmt, chip->dev->name , ## arg)
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/****************************************************************************
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@ -105,7 +105,7 @@ MODULE_PARM_DESC(index, "Index value for cx25821 capture interface(s).");
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MODULE_DESCRIPTION("ALSA driver module for cx25821 based capture cards");
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MODULE_AUTHOR("Hiep Huynh");
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MODULE_LICENSE("GPL");
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MODULE_SUPPORTED_DEVICE("{{Conexant,25821}"); //"{{Conexant,23881},"
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MODULE_SUPPORTED_DEVICE("{{Conexant,25821}"); /*"{{Conexant,23881},"*/
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static unsigned int debug;
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module_param(debug, int, 0644);
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@ -135,7 +135,7 @@ MODULE_PARM_DESC(debug, "enable debug messages");
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* BOARD Specific: Sets audio DMA
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*/
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static int _cx25821_start_audio_dma(snd_cx25821_card_t * chip)
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static int _cx25821_start_audio_dma(snd_cx25821_card_t *chip)
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{
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struct cx25821_buffer *buf = chip->buf;
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struct cx25821_dev *dev = chip->dev;
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@ -143,7 +143,7 @@ static int _cx25821_start_audio_dma(snd_cx25821_card_t * chip)
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&cx25821_sram_channels[AUDIO_SRAM_CHANNEL];
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u32 tmp = 0;
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// enable output on the GPIO 0 for the MCLK ADC (Audio)
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/* enable output on the GPIO 0 for the MCLK ADC (Audio) */
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cx25821_set_gpiopin_direction(chip->dev, 0, 0);
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/* Make sure RISC/FIFO are off before changing FIFO/RISC settings */
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@ -158,18 +158,22 @@ static int _cx25821_start_audio_dma(snd_cx25821_card_t * chip)
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cx_write(AUD_A_LNGTH, buf->bpl);
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/* reset counter */
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cx_write(AUD_A_GPCNT_CTL, GP_COUNT_CONTROL_RESET); //GP_COUNT_CONTROL_RESET = 0x3
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cx_write(AUD_A_GPCNT_CTL, GP_COUNT_CONTROL_RESET);
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/* GP_COUNT_CONTROL_RESET = 0x3 */
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atomic_set(&chip->count, 0);
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//Set the input mode to 16-bit
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/* Set the input mode to 16-bit */
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tmp = cx_read(AUD_A_CFG);
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cx_write(AUD_A_CFG,
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tmp | FLD_AUD_DST_PK_MODE | FLD_AUD_DST_ENABLE |
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FLD_AUD_CLK_ENABLE);
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//printk(KERN_INFO "DEBUG: Start audio DMA, %d B/line, cmds_start(0x%x)= %d lines/FIFO, %d periods, %d "
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// "byte buffer\n", buf->bpl, audio_ch->cmds_start, cx_read(audio_ch->cmds_start + 12)>>1,
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// chip->num_periods, buf->bpl * chip->num_periods);
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/*printk(KERN_INFO "DEBUG: Start audio DMA, %d B/line, "
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"cmds_start(0x%x)= %d lines/FIFO, %d periods, %d "
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"byte buffer\n", buf->bpl, audio_ch->cmds_start, "
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"cx_read(audio_ch->cmds_start + 12)>>1,
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chip->num_periods, buf->bpl * chip->num_periods);*/
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/* Enables corresponding bits at AUD_INT_STAT */
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cx_write(AUD_A_INT_MSK,
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@ -182,7 +186,7 @@ static int _cx25821_start_audio_dma(snd_cx25821_card_t * chip)
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/* enable audio irqs */
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cx_set(PCI_INT_MSK, chip->dev->pci_irqmask | PCI_MSK_AUD_INT);
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// Turn on audio downstream fifo and risc enable 0x101
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/* Turn on audio downstream fifo and risc enable 0x101 */
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tmp = cx_read(AUD_INT_DMA_CTL);
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cx_set(AUD_INT_DMA_CTL,
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tmp | (FLD_AUD_DST_A_RISC_EN | FLD_AUD_DST_A_FIFO_EN));
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@ -194,7 +198,7 @@ static int _cx25821_start_audio_dma(snd_cx25821_card_t * chip)
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/*
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* BOARD Specific: Resets audio DMA
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*/
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static int _cx25821_stop_audio_dma(snd_cx25821_card_t * chip)
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static int _cx25821_stop_audio_dma(snd_cx25821_card_t *chip)
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{
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struct cx25821_dev *dev = chip->dev;
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@ -232,13 +236,12 @@ static char *cx25821_aud_irqs[32] = {
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/*
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* BOARD Specific: Threats IRQ audio specific calls
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*/
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static void cx25821_aud_irq(snd_cx25821_card_t * chip, u32 status, u32 mask)
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static void cx25821_aud_irq(snd_cx25821_card_t *chip, u32 status, u32 mask)
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{
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struct cx25821_dev *dev = chip->dev;
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if (0 == (status & mask)) {
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if (0 == (status & mask))
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return;
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}
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cx_write(AUD_A_INT_STAT, status);
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if (debug > 1 || (status & mask & ~0xff))
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@ -318,11 +321,11 @@ static irqreturn_t cx25821_irq(int irq, void *dev_id)
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if (handled)
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cx_write(PCI_INT_STAT, pci_status);
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out:
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out:
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return IRQ_RETVAL(handled);
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}
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static int dsp_buffer_free(snd_cx25821_card_t * chip)
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static int dsp_buffer_free(snd_cx25821_card_t *chip)
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{
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BUG_ON(!chip->dma_size);
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@ -363,7 +366,8 @@ static struct snd_pcm_hardware snd_cx25821_digital_hw = {
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.period_bytes_max = DEFAULT_FIFO_SIZE / 3,
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.periods_min = 1,
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.periods_max = AUDIO_LINE_SIZE,
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.buffer_bytes_max = (AUDIO_LINE_SIZE * AUDIO_LINE_SIZE), //128*128 = 16384 = 1024 * 16
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.buffer_bytes_max = (AUDIO_LINE_SIZE * AUDIO_LINE_SIZE),
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/* 128*128 = 16384 = 1024 * 16 */
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};
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/*
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@ -393,18 +397,20 @@ static int snd_cx25821_pcm_open(struct snd_pcm_substream *substream)
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if (cx25821_sram_channels[AUDIO_SRAM_CHANNEL].fifo_size !=
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DEFAULT_FIFO_SIZE) {
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bpl = cx25821_sram_channels[AUDIO_SRAM_CHANNEL].fifo_size / 3; //since there are 3 audio Clusters
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/* since there are 3 audio Clusters */
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bpl = cx25821_sram_channels[AUDIO_SRAM_CHANNEL].fifo_size / 3;
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bpl &= ~7; /* must be multiple of 8 */
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if (bpl > AUDIO_LINE_SIZE) {
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if (bpl > AUDIO_LINE_SIZE)
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bpl = AUDIO_LINE_SIZE;
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}
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runtime->hw.period_bytes_min = bpl;
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runtime->hw.period_bytes_max = bpl;
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}
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return 0;
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_error:
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_error:
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dprintk(1, "Error opening PCM!\n");
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return err;
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}
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@ -445,9 +451,9 @@ static int snd_cx25821_hw_params(struct snd_pcm_substream *substream,
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if (NULL == buf)
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return -ENOMEM;
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if (chip->period_size > AUDIO_LINE_SIZE) {
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if (chip->period_size > AUDIO_LINE_SIZE)
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chip->period_size = AUDIO_LINE_SIZE;
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}
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buf->vb.memory = V4L2_MEMORY_MMAP;
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buf->vb.field = V4L2_FIELD_NONE;
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@ -474,7 +480,7 @@ static int snd_cx25821_hw_params(struct snd_pcm_substream *substream,
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buf->vb.width, buf->vb.height, 1);
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if (ret < 0) {
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printk(KERN_INFO
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"DEBUG: ERROR after cx25821_risc_databuffer_audio() \n");
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"DEBUG: ERROR after cx25821_risc_databuffer_audio()\n");
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goto error;
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}
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@ -494,7 +500,7 @@ static int snd_cx25821_hw_params(struct snd_pcm_substream *substream,
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return 0;
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error:
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error:
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kfree(buf);
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return ret;
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}
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@ -593,10 +599,10 @@ static struct snd_pcm_ops snd_cx25821_pcm_ops = {
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};
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/*
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* ALSA create a PCM device: Called when initializing the board. Sets up the name and hooks up
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* the callbacks
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* ALSA create a PCM device: Called when initializing the board.
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* Sets up the name and hooks up the callbacks
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*/
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static int snd_cx25821_pcm(snd_cx25821_card_t * chip, int device, char *name)
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static int snd_cx25821_pcm(snd_cx25821_card_t *chip, int device, char *name)
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{
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struct snd_pcm *pcm;
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int err;
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@ -655,7 +661,7 @@ static void snd_cx25821_dev_free(struct snd_card *card)
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{
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snd_cx25821_card_t *chip = card->private_data;
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//snd_cx25821_free(chip);
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/*snd_cx25821_free(chip);*/
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snd_card_free(chip->card);
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}
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@ -671,13 +677,13 @@ static int cx25821_audio_initdev(struct cx25821_dev *dev)
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if (devno >= SNDRV_CARDS) {
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printk(KERN_INFO "DEBUG ERROR: devno >= SNDRV_CARDS %s\n",
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__func__);
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return (-ENODEV);
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return -ENODEV;
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}
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if (!enable[devno]) {
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++devno;
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printk(KERN_INFO "DEBUG ERROR: !enable[devno] %s\n", __func__);
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return (-ENOENT);
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return -ENOENT;
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}
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err = snd_card_create(index[devno], id[devno], THIS_MODULE,
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@ -741,7 +747,7 @@ static int cx25821_audio_initdev(struct cx25821_dev *dev)
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devno++;
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return 0;
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error:
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error:
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snd_card_free(card);
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return err;
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}
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