V4L/DVB (6738): wm8739: codingstyle cleanups
authorHans Verkuil <hverkuil@xs4all.nl>
Thu, 1 Nov 2007 10:45:54 +0000 (07:45 -0300)
committerMauro Carvalho Chehab <mchehab@infradead.org>
Fri, 25 Jan 2008 21:03:16 +0000 (19:03 -0200)
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
drivers/media/video/wm8739.c

index 3d9e709..ac4fee1 100644 (file)
@@ -36,7 +36,7 @@ MODULE_DESCRIPTION("wm8739 driver");
 MODULE_AUTHOR("T. Adachi, Hans Verkuil");
 MODULE_LICENSE("GPL");
 
-static int debug = 0;
+static int debug;
 static unsigned short normal_i2c[] = { 0x34 >> 1, 0x36 >> 1, I2C_CLIENT_END };
 
 module_param(debug, int, 0644);
@@ -76,12 +76,10 @@ static int wm8739_write(struct i2c_client *client, int reg, u16 val)
 
        v4l_dbg(1, debug, client, "write: %02x %02x\n", reg, val);
 
-       for (i = 0; i < 3; i++) {
-               if (i2c_smbus_write_byte_data(client, (reg << 1) |
-                                       (val >> 8), val & 0xff) == 0) {
+       for (i = 0; i < 3; i++)
+               if (i2c_smbus_write_byte_data(client,
+                               (reg << 1) | (val >> 8), val & 0xff) == 0)
                        return 0;
-               }
-       }
        v4l_err(client, "I2C: cannot write %03x to register R%d\n", val, reg);
        return -1;
 }
@@ -168,7 +166,7 @@ static struct v4l2_queryctrl wm8739_qctrl[] = {
                .default_value = 58880,
                .flags         = 0,
                .type          = V4L2_CTRL_TYPE_INTEGER,
-       },{
+       }, {
                .id            = V4L2_CID_AUDIO_MUTE,
                .name          = "Mute",
                .minimum       = 0,
@@ -177,7 +175,7 @@ static struct v4l2_queryctrl wm8739_qctrl[] = {
                .default_value = 1,
                .flags         = 0,
                .type          = V4L2_CTRL_TYPE_BOOLEAN,
-       },{
+       }, {
                .id            = V4L2_CID_AUDIO_BALANCE,
                .name          = "Balance",
                .minimum       = 0,
@@ -191,7 +189,7 @@ static struct v4l2_queryctrl wm8739_qctrl[] = {
 
 /* ------------------------------------------------------------------------ */
 
-static int wm8739_command(struct i2c_client *client, unsigned int cmd, void *arg)
+static int wm8739_command(struct i2c_client *client, unsigned cmd, void *arg)
 {
        struct wm8739_state *state = i2c_get_clientdata(client);
 
@@ -201,21 +199,26 @@ static int wm8739_command(struct i2c_client *client, unsigned int cmd, void *arg
                u32 audiofreq = *(u32 *)arg;
 
                state->clock_freq = audiofreq;
-               wm8739_write(client, R9, 0x000);        /* de-activate */
+               /* de-activate */
+               wm8739_write(client, R9, 0x000);
                switch (audiofreq) {
                case 44100:
-                       wm8739_write(client, R8, 0x020); /* 256fps, fs=44.1k     */
+                       /* 256fps, fs=44.1k */
+                       wm8739_write(client, R8, 0x020);
                        break;
                case 48000:
-                       wm8739_write(client, R8, 0x000); /* 256fps, fs=48k       */
+                       /* 256fps, fs=48k */
+                       wm8739_write(client, R8, 0x000);
                        break;
                case 32000:
-                       wm8739_write(client, R8, 0x018); /* 256fps, fs=32k       */
+                       /* 256fps, fs=32k */
+                       wm8739_write(client, R8, 0x018);
                        break;
                default:
                        break;
                }
-               wm8739_write(client, R9, 0x001);        /* activate */
+               /* activate */
+               wm8739_write(client, R9, 0x001);
                break;
        }
 
@@ -239,7 +242,8 @@ static int wm8739_command(struct i2c_client *client, unsigned int cmd, void *arg
        }
 
        case VIDIOC_G_CHIP_IDENT:
-               return v4l2_chip_ident_i2c_client(client, arg, V4L2_IDENT_WM8739, 0);
+               return v4l2_chip_ident_i2c_client(client,
+                               arg, V4L2_IDENT_WM8739, 0);
 
        case VIDIOC_LOG_STATUS:
                v4l_info(client, "Frequency: %u Hz\n", state->clock_freq);
@@ -268,7 +272,8 @@ static int wm8739_probe(struct i2c_client *client)
        if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
                return -EIO;
 
-       v4l_info(client, "chip found @ 0x%x (%s)\n", client->addr << 1, client->adapter->name);
+       v4l_info(client, "chip found @ 0x%x (%s)\n",
+                       client->addr << 1, client->adapter->name);
 
        state = kmalloc(sizeof(struct wm8739_state), GFP_KERNEL);
        if (state == NULL) {
@@ -284,17 +289,23 @@ static int wm8739_probe(struct i2c_client *client)
        state->clock_freq = 48000;
        i2c_set_clientdata(client, state);
 
-       /* initialize wm8739 */
-       wm8739_write(client, R15, 0x00); /* reset */
-       wm8739_write(client, R5, 0x000); /* filter setting, high path, offet clear */
-       wm8739_write(client, R6, 0x000); /* ADC, OSC, Power Off mode Disable */
-       wm8739_write(client, R7, 0x049); /* Digital Audio interface format */
-                                        /* Enable Master mode */
-                                        /* 24 bit, MSB first/left justified */
-       wm8739_write(client, R8, 0x000); /* sampling control */
-                                        /* normal, 256fs, 48KHz sampling rate */
-       wm8739_write(client, R9, 0x001); /* activate */
-       wm8739_set_audio(client);        /* set volume/mute */
+       /* Initialize wm8739 */
+
+       /* reset */
+       wm8739_write(client, R15, 0x00);
+       /* filter setting, high path, offet clear */
+       wm8739_write(client, R5, 0x000);
+       /* ADC, OSC, Power Off mode Disable */
+       wm8739_write(client, R6, 0x000);
+       /* Digital Audio interface format:
+          Enable Master mode, 24 bit, MSB first/left justified */
+       wm8739_write(client, R7, 0x049);
+       /* sampling control: normal, 256fs, 48KHz sampling rate */
+       wm8739_write(client, R8, 0x000);
+       /* activate */
+       wm8739_write(client, R9, 0x001);
+       /* set volume/mute */
+       wm8739_set_audio(client);
        return 0;
 }