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>

diff --git a/drivers/staging/cx25821/cx25821-alsa.c b/drivers/staging/cx25821/cx25821-alsa.c
index 061add3..f5a7719 100644 (file)
--- a/drivers/staging/cx25821/cx25821-alsa.c
+++ b/drivers/staging/cx25821/cx25821-alsa.c
@@ -42,10 +42,10 @@
 
 #define AUDIO_SRAM_CHANNEL     SRAM_CH08
 
-#define dprintk(level,fmt, arg...)     if (debug >= level) \
+#define dprintk(level, fmt, arg...)    if (debug >= level) \
        printk(KERN_INFO "%s/1: " fmt, chip->dev->name , ## arg)
 
-#define dprintk_core(level,fmt, arg...)        if (debug >= level) \
+#define dprintk_core(level, fmt, arg...)       if (debug >= level) \
        printk(KERN_DEBUG "%s/1: " fmt, chip->dev->name , ## arg)
 
 /****************************************************************************
@@ -105,7 +105,7 @@ MODULE_PARM_DESC(index, "Index value for cx25821 capture interface(s).");
 MODULE_DESCRIPTION("ALSA driver module for cx25821 based capture cards");
 MODULE_AUTHOR("Hiep Huynh");
 MODULE_LICENSE("GPL");
-MODULE_SUPPORTED_DEVICE("{{Conexant,25821}");  //"{{Conexant,23881},"
+MODULE_SUPPORTED_DEVICE("{{Conexant,25821}");  /*"{{Conexant,23881},"*/
 
 static unsigned int debug;
 module_param(debug, int, 0644);
@@ -135,7 +135,7 @@ MODULE_PARM_DESC(debug, "enable debug messages");
  * BOARD Specific: Sets audio DMA
  */
 
-static int _cx25821_start_audio_dma(snd_cx25821_card_t * chip)
+static int _cx25821_start_audio_dma(snd_cx25821_card_t *chip)
 {
        struct cx25821_buffer *buf = chip->buf;
        struct cx25821_dev *dev = chip->dev;
@@ -143,7 +143,7 @@ static int _cx25821_start_audio_dma(snd_cx25821_card_t * chip)
            &cx25821_sram_channels[AUDIO_SRAM_CHANNEL];
        u32 tmp = 0;
 
-       // enable output on the GPIO 0 for the MCLK ADC (Audio)
+       /* enable output on the GPIO 0 for the MCLK ADC (Audio) */
        cx25821_set_gpiopin_direction(chip->dev, 0, 0);
 
        /* Make sure RISC/FIFO are off before changing FIFO/RISC settings */
@@ -158,18 +158,22 @@ static int _cx25821_start_audio_dma(snd_cx25821_card_t * chip)
        cx_write(AUD_A_LNGTH, buf->bpl);
 
        /* reset counter */
-       cx_write(AUD_A_GPCNT_CTL, GP_COUNT_CONTROL_RESET);      //GP_COUNT_CONTROL_RESET = 0x3
+       cx_write(AUD_A_GPCNT_CTL, GP_COUNT_CONTROL_RESET);
+       /* GP_COUNT_CONTROL_RESET = 0x3 */
+
        atomic_set(&chip->count, 0);
 
-       //Set the input mode to 16-bit
+       /* Set the input mode to 16-bit */
        tmp = cx_read(AUD_A_CFG);
        cx_write(AUD_A_CFG,
                 tmp | FLD_AUD_DST_PK_MODE | FLD_AUD_DST_ENABLE |
                 FLD_AUD_CLK_ENABLE);
 
-       //printk(KERN_INFO "DEBUG: Start audio DMA, %d B/line, cmds_start(0x%x)= %d lines/FIFO, %d periods, %d "
-       //      "byte buffer\n", buf->bpl, audio_ch->cmds_start, cx_read(audio_ch->cmds_start + 12)>>1,
-       //      chip->num_periods, buf->bpl * chip->num_periods);
+       /*printk(KERN_INFO "DEBUG: Start audio DMA, %d B/line, "
+                       "cmds_start(0x%x)= %d lines/FIFO, %d periods, %d "
+                       "byte buffer\n", buf->bpl, audio_ch->cmds_start, "
+                       "cx_read(audio_ch->cmds_start + 12)>>1,
+                     chip->num_periods, buf->bpl * chip->num_periods);*/
 
        /* Enables corresponding bits at AUD_INT_STAT */
        cx_write(AUD_A_INT_MSK,
@@ -182,7 +186,7 @@ static int _cx25821_start_audio_dma(snd_cx25821_card_t * chip)
        /* enable audio irqs */
        cx_set(PCI_INT_MSK, chip->dev->pci_irqmask | PCI_MSK_AUD_INT);
 
-       // Turn on audio downstream fifo and risc enable 0x101
+       /* Turn on audio downstream fifo and risc enable 0x101 */
        tmp = cx_read(AUD_INT_DMA_CTL);
        cx_set(AUD_INT_DMA_CTL,
               tmp | (FLD_AUD_DST_A_RISC_EN | FLD_AUD_DST_A_FIFO_EN));
@@ -194,7 +198,7 @@ static int _cx25821_start_audio_dma(snd_cx25821_card_t * chip)
 /*
  * BOARD Specific: Resets audio DMA
  */
-static int _cx25821_stop_audio_dma(snd_cx25821_card_t * chip)
+static int _cx25821_stop_audio_dma(snd_cx25821_card_t *chip)
 {
        struct cx25821_dev *dev = chip->dev;
 
@@ -232,13 +236,12 @@ static char *cx25821_aud_irqs[32] = {
 /*
  * BOARD Specific: Threats IRQ audio specific calls
  */
-static void cx25821_aud_irq(snd_cx25821_card_t * chip, u32 status, u32 mask)
+static void cx25821_aud_irq(snd_cx25821_card_t *chip, u32 status, u32 mask)
 {
        struct cx25821_dev *dev = chip->dev;
 
-       if (0 == (status & mask)) {
+       if (0 == (status & mask))
                return;
-       }
 
        cx_write(AUD_A_INT_STAT, status);
        if (debug > 1 || (status & mask & ~0xff))
@@ -318,11 +321,11 @@ static irqreturn_t cx25821_irq(int irq, void *dev_id)
        if (handled)
                cx_write(PCI_INT_STAT, pci_status);
 
-      out:
+out:
        return IRQ_RETVAL(handled);
 }
 
-static int dsp_buffer_free(snd_cx25821_card_t * chip)
+static int dsp_buffer_free(snd_cx25821_card_t *chip)
 {
        BUG_ON(!chip->dma_size);
 
@@ -363,7 +366,8 @@ static struct snd_pcm_hardware snd_cx25821_digital_hw = {
        .period_bytes_max = DEFAULT_FIFO_SIZE / 3,
        .periods_min = 1,
        .periods_max = AUDIO_LINE_SIZE,
-       .buffer_bytes_max = (AUDIO_LINE_SIZE * AUDIO_LINE_SIZE),        //128*128 = 16384 = 1024 * 16
+       .buffer_bytes_max = (AUDIO_LINE_SIZE * AUDIO_LINE_SIZE),
+       /* 128*128 = 16384 = 1024 * 16 */
 };
 
 /*
@@ -393,18 +397,20 @@ static int snd_cx25821_pcm_open(struct snd_pcm_substream *substream)
 
        if (cx25821_sram_channels[AUDIO_SRAM_CHANNEL].fifo_size !=
            DEFAULT_FIFO_SIZE) {
-               bpl = cx25821_sram_channels[AUDIO_SRAM_CHANNEL].fifo_size / 3;  //since there are 3 audio Clusters
+               /* since there are 3 audio Clusters */
+               bpl = cx25821_sram_channels[AUDIO_SRAM_CHANNEL].fifo_size / 3;
+
                bpl &= ~7;      /* must be multiple of 8 */
 
-               if (bpl > AUDIO_LINE_SIZE) {
+               if (bpl > AUDIO_LINE_SIZE)
                        bpl = AUDIO_LINE_SIZE;
-               }
+
                runtime->hw.period_bytes_min = bpl;
                runtime->hw.period_bytes_max = bpl;
        }
 
        return 0;
-      _error:
+_error:
        dprintk(1, "Error opening PCM!\n");
        return err;
 }
@@ -445,9 +451,9 @@ static int snd_cx25821_hw_params(struct snd_pcm_substream *substream,
        if (NULL == buf)
                return -ENOMEM;
 
-       if (chip->period_size > AUDIO_LINE_SIZE) {
+       if (chip->period_size > AUDIO_LINE_SIZE)
                chip->period_size = AUDIO_LINE_SIZE;
-       }
+
 
        buf->vb.memory = V4L2_MEMORY_MMAP;
        buf->vb.field = V4L2_FIELD_NONE;
@@ -474,7 +480,7 @@ static int snd_cx25821_hw_params(struct snd_pcm_substream *substream,
                                          buf->vb.width, buf->vb.height, 1);
        if (ret < 0) {
                printk(KERN_INFO
-                      "DEBUG: ERROR after cx25821_risc_databuffer_audio() \n");
+                      "DEBUG: ERROR after cx25821_risc_databuffer_audio()\n");
                goto error;
        }
 
@@ -494,7 +500,7 @@ static int snd_cx25821_hw_params(struct snd_pcm_substream *substream,
 
        return 0;
 
-      error:
+error:
        kfree(buf);
        return ret;
 }
@@ -593,10 +599,10 @@ static struct snd_pcm_ops snd_cx25821_pcm_ops = {
 };
 
 /*
- * ALSA create a PCM device:  Called when initializing the board. Sets up the name and hooks up
- *  the callbacks
+ * ALSA create a PCM device:  Called when initializing the board.
+ * Sets up the name and hooks up the callbacks
  */
-static int snd_cx25821_pcm(snd_cx25821_card_t * chip, int device, char *name)
+static int snd_cx25821_pcm(snd_cx25821_card_t *chip, int device, char *name)
 {
        struct snd_pcm *pcm;
        int err;
@@ -655,7 +661,7 @@ static void snd_cx25821_dev_free(struct snd_card *card)
 {
        snd_cx25821_card_t *chip = card->private_data;
 
-       //snd_cx25821_free(chip);
+       /*snd_cx25821_free(chip);*/
        snd_card_free(chip->card);
 }
 
@@ -671,13 +677,13 @@ static int cx25821_audio_initdev(struct cx25821_dev *dev)
        if (devno >= SNDRV_CARDS) {
                printk(KERN_INFO "DEBUG ERROR: devno >= SNDRV_CARDS %s\n",
                       __func__);
-               return (-ENODEV);
+               return -ENODEV;
        }
 
        if (!enable[devno]) {
                ++devno;
                printk(KERN_INFO "DEBUG ERROR: !enable[devno] %s\n", __func__);
-               return (-ENOENT);
+               return -ENOENT;
        }
 
        err = snd_card_create(index[devno], id[devno], THIS_MODULE,
@@ -741,7 +747,7 @@ static int cx25821_audio_initdev(struct cx25821_dev *dev)
        devno++;
        return 0;
 
-      error:
+error:
        snd_card_free(card);
        return err;
 }