mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-22 18:44:44 +08:00
V4L/DVB: Staging: cx25821: fix coding style issues in cx25821-alsa.c
>From 9473816c446a6ca91905fc49a73732f70b5223b4 Mon Sep 17 00:00:00 2001 This is a patch to the cx25821-alsa.c file that fixes up errors and warnings found by the checkpatch.pl tool [mchehab@redhat.com: a few adjustments on the comments to improve readability] Signed-off-by: Olimpiu Pascariu <olimpiu.pascariu@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Olimpiu Pascariu
Mauro Carvalho Chehab
parent
4d36ec7fbf
commit
8889a8a53e
@ -29,7 +29,7 @@
|
||||
#include <linux/pci.h>
|
||||
#include <linux/slab.h>
|
||||
|
||||
#include <asm/delay.h>
|
||||
#include <linux/delay.h>
|
||||
#include <sound/core.h>
|
||||
#include <sound/pcm.h>
|
||||
#include <sound/pcm_params.h>
|
||||
@ -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)
|
||||
|
||||
/****************************************************************************
|
||||
@ -81,7 +81,6 @@ struct cx25821_audio_dev {
|
||||
|
||||
struct snd_pcm_substream *substream;
|
||||
};
|
||||
typedef struct cx25821_audio_dev snd_cx25821_card_t;
|
||||
|
||||
|
||||
/****************************************************************************
|
||||
@ -90,7 +89,7 @@ typedef struct cx25821_audio_dev snd_cx25821_card_t;
|
||||
|
||||
static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
|
||||
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
|
||||
static int enable[SNDRV_CARDS] = { 1,[1 ... (SNDRV_CARDS - 1)] = 1 };
|
||||
static int enable[SNDRV_CARDS] = { 1, [1 ... (SNDRV_CARDS - 1)] = 1 };
|
||||
|
||||
module_param_array(enable, bool, NULL, 0444);
|
||||
MODULE_PARM_DESC(enable, "Enable cx25821 soundcard. default enabled.");
|
||||
@ -105,7 +104,7 @@ 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 +134,7 @@ 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(struct cx25821_audio_dev *chip)
|
||||
{
|
||||
struct cx25821_buffer *buf = chip->buf;
|
||||
struct cx25821_dev *dev = chip->dev;
|
||||
@ -143,7 +142,7 @@ 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 +157,23 @@ 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
|
||||
/* GP_COUNT_CONTROL_RESET = 0x3 */
|
||||
cx_write(AUD_A_GPCNT_CTL, GP_COUNT_CONTROL_RESET);
|
||||
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(struct cx25821_audio_dev *chip)
|
||||
{
|
||||
struct cx25821_dev *dev = chip->dev;
|
||||
|
||||
@ -232,13 +236,13 @@ 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(struct cx25821_audio_dev *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))
|
||||
@ -277,7 +281,7 @@ static void cx25821_aud_irq(snd_cx25821_card_t * chip, u32 status, u32 mask)
|
||||
*/
|
||||
static irqreturn_t cx25821_irq(int irq, void *dev_id)
|
||||
{
|
||||
snd_cx25821_card_t *chip = dev_id;
|
||||
struct cx25821_audio_dev *chip = dev_id;
|
||||
struct cx25821_dev *dev = chip->dev;
|
||||
u32 status, pci_status;
|
||||
u32 audint_status, audint_mask;
|
||||
@ -318,11 +322,11 @@ 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(struct cx25821_audio_dev *chip)
|
||||
{
|
||||
BUG_ON(!chip->dma_size);
|
||||
|
||||
@ -363,7 +367,8 @@ 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
|
||||
/* 128 * 128 = 16384 = 1024 * 16 */
|
||||
.buffer_bytes_max = (AUDIO_LINE_SIZE * AUDIO_LINE_SIZE),
|
||||
};
|
||||
|
||||
/*
|
||||
@ -371,7 +376,7 @@ static struct snd_pcm_hardware snd_cx25821_digital_hw = {
|
||||
*/
|
||||
static int snd_cx25821_pcm_open(struct snd_pcm_substream *substream)
|
||||
{
|
||||
snd_cx25821_card_t *chip = snd_pcm_substream_chip(substream);
|
||||
struct cx25821_audio_dev *chip = snd_pcm_substream_chip(substream);
|
||||
struct snd_pcm_runtime *runtime = substream->runtime;
|
||||
int err;
|
||||
unsigned int bpl = 0;
|
||||
@ -393,18 +398,19 @@ 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;
|
||||
}
|
||||
@ -423,7 +429,7 @@ static int snd_cx25821_close(struct snd_pcm_substream *substream)
|
||||
static int snd_cx25821_hw_params(struct snd_pcm_substream *substream,
|
||||
struct snd_pcm_hw_params *hw_params)
|
||||
{
|
||||
snd_cx25821_card_t *chip = snd_pcm_substream_chip(substream);
|
||||
struct cx25821_audio_dev *chip = snd_pcm_substream_chip(substream);
|
||||
struct videobuf_dmabuf *dma;
|
||||
|
||||
struct cx25821_buffer *buf;
|
||||
@ -445,9 +451,8 @@ 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 +479,7 @@ 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 +499,7 @@ static int snd_cx25821_hw_params(struct snd_pcm_substream *substream,
|
||||
|
||||
return 0;
|
||||
|
||||
error:
|
||||
error:
|
||||
kfree(buf);
|
||||
return ret;
|
||||
}
|
||||
@ -504,7 +509,7 @@ static int snd_cx25821_hw_params(struct snd_pcm_substream *substream,
|
||||
*/
|
||||
static int snd_cx25821_hw_free(struct snd_pcm_substream *substream)
|
||||
{
|
||||
snd_cx25821_card_t *chip = snd_pcm_substream_chip(substream);
|
||||
struct cx25821_audio_dev *chip = snd_pcm_substream_chip(substream);
|
||||
|
||||
if (substream->runtime->dma_area) {
|
||||
dsp_buffer_free(chip);
|
||||
@ -528,7 +533,7 @@ static int snd_cx25821_prepare(struct snd_pcm_substream *substream)
|
||||
static int snd_cx25821_card_trigger(struct snd_pcm_substream *substream,
|
||||
int cmd)
|
||||
{
|
||||
snd_cx25821_card_t *chip = snd_pcm_substream_chip(substream);
|
||||
struct cx25821_audio_dev *chip = snd_pcm_substream_chip(substream);
|
||||
int err = 0;
|
||||
|
||||
/* Local interrupts are already disabled by ALSA */
|
||||
@ -557,7 +562,7 @@ static int snd_cx25821_card_trigger(struct snd_pcm_substream *substream,
|
||||
static snd_pcm_uframes_t snd_cx25821_pointer(struct snd_pcm_substream
|
||||
*substream)
|
||||
{
|
||||
snd_cx25821_card_t *chip = snd_pcm_substream_chip(substream);
|
||||
struct cx25821_audio_dev *chip = snd_pcm_substream_chip(substream);
|
||||
struct snd_pcm_runtime *runtime = substream->runtime;
|
||||
u16 count;
|
||||
|
||||
@ -593,10 +598,11 @@ 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(struct cx25821_audio_dev *chip, int device,
|
||||
char *name)
|
||||
{
|
||||
struct snd_pcm *pcm;
|
||||
int err;
|
||||
@ -636,7 +642,7 @@ MODULE_DEVICE_TABLE(pci, cx25821_audio_pci_tbl);
|
||||
* from the file.
|
||||
*/
|
||||
/*
|
||||
static int snd_cx25821_free(snd_cx25821_card_t *chip)
|
||||
static int snd_cx25821_free(struct cx25821_audio_dev *chip)
|
||||
{
|
||||
if (chip->irq >= 0)
|
||||
free_irq(chip->irq, chip);
|
||||
@ -653,9 +659,9 @@ static int snd_cx25821_free(snd_cx25821_card_t *chip)
|
||||
*/
|
||||
static void snd_cx25821_dev_free(struct snd_card *card)
|
||||
{
|
||||
snd_cx25821_card_t *chip = card->private_data;
|
||||
struct cx25821_audio_dev *chip = card->private_data;
|
||||
|
||||
//snd_cx25821_free(chip);
|
||||
/* snd_cx25821_free(chip); */
|
||||
snd_card_free(chip->card);
|
||||
}
|
||||
|
||||
@ -665,23 +671,23 @@ static void snd_cx25821_dev_free(struct snd_card *card)
|
||||
static int cx25821_audio_initdev(struct cx25821_dev *dev)
|
||||
{
|
||||
struct snd_card *card;
|
||||
snd_cx25821_card_t *chip;
|
||||
struct cx25821_audio_dev *chip;
|
||||
int err;
|
||||
|
||||
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,
|
||||
sizeof(snd_cx25821_card_t), &card);
|
||||
sizeof(struct cx25821_audio_dev), &card);
|
||||
if (err < 0) {
|
||||
printk(KERN_INFO
|
||||
"DEBUG ERROR: cannot create snd_card_new in %s\n",
|
||||
@ -693,7 +699,7 @@ static int cx25821_audio_initdev(struct cx25821_dev *dev)
|
||||
|
||||
/* Card "creation" */
|
||||
card->private_free = snd_cx25821_dev_free;
|
||||
chip = (snd_cx25821_card_t *) card->private_data;
|
||||
chip = (struct cx25821_audio_dev *) card->private_data;
|
||||
spin_lock_init(&chip->reg_lock);
|
||||
|
||||
chip->dev = dev;
|
||||
@ -712,7 +718,7 @@ static int cx25821_audio_initdev(struct cx25821_dev *dev)
|
||||
goto error;
|
||||
}
|
||||
|
||||
if ((err = snd_cx25821_pcm(chip, 0, "cx25821 Digital")) < 0) {
|
||||
if ((err == snd_cx25821_pcm(chip, 0, "cx25821 Digital")) < 0) {
|
||||
printk(KERN_INFO
|
||||
"DEBUG ERROR: cannot create snd_cx25821_pcm %s\n",
|
||||
__func__);
|
||||
@ -741,7 +747,7 @@ static int cx25821_audio_initdev(struct cx25821_dev *dev)
|
||||
devno++;
|
||||
return 0;
|
||||
|
||||
error:
|
||||
error:
|
||||
snd_card_free(card);
|
||||
return err;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user