]> git.karo-electronics.de Git - karo-tx-linux.git/commitdiff
V4L/DVB (6737): wm8775: codingstyle cleanup
authorHans Verkuil <hverkuil@xs4all.nl>
Thu, 1 Nov 2007 10:35:41 +0000 (07:35 -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/wm8775.c

index c31a0c34b08b0e88a20d78d4d4bba4ff7097b34d..869f9e7946b6082bb9df221ccc056d13e808e0d9 100644 (file)
@@ -68,17 +68,15 @@ static int wm8775_write(struct i2c_client *client, int reg, u16 val)
                return -1;
        }
 
-       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;
 }
 
-static int wm8775_command(struct i2c_client *client, unsigned int cmd, void *arg)
+static int wm8775_command(struct i2c_client *client, unsigned cmd, void *arg)
 {
        struct wm8775_state *state = i2c_get_clientdata(client);
        struct v4l2_routing *route = arg;
@@ -127,7 +125,8 @@ static int wm8775_command(struct i2c_client *client, unsigned int cmd, void *arg
                break;
 
        case VIDIOC_G_CHIP_IDENT:
-               return v4l2_chip_ident_i2c_client(client, arg, V4L2_IDENT_WM8775, 0);
+               return v4l2_chip_ident_i2c_client(client,
+                               arg, V4L2_IDENT_WM8775, 0);
 
        case VIDIOC_LOG_STATUS:
                v4l_info(client, "Input: %d%s\n", state->input,
@@ -168,34 +167,45 @@ static int wm8775_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 wm8775_state), GFP_KERNEL);
-       if (state == NULL) {
+       if (state == NULL)
                return -ENOMEM;
-       }
        state->input = 2;
        state->muted = 0;
        i2c_set_clientdata(client, state);
 
-       /* initialize wm8775 */
-       wm8775_write(client, R23, 0x000);       /* RESET */
-       wm8775_write(client, R7, 0x000);        /* Disable zero cross detect timeout */
-       wm8775_write(client, R11, 0x021);       /* Left justified, 24-bit mode */
-       wm8775_write(client, R12, 0x102);       /* Master mode, clock ratio 256fs */
-       wm8775_write(client, R13, 0x000);       /* Powered up */
-       wm8775_write(client, R14, 0x1d4);       /* ADC gain +2.5dB, enable zero cross */
-       wm8775_write(client, R15, 0x1d4);       /* ADC gain +2.5dB, enable zero cross */
-       wm8775_write(client, R16, 0x1bf);       /* ALC Stereo, ALC target level -1dB FS */
-       /* max gain +8dB */
-       wm8775_write(client, R17, 0x185);       /* Enable gain control, use zero cross */
-       /* detection, ALC hold time 42.6 ms */
-       wm8775_write(client, R18, 0x0a2);       /* ALC gain ramp up delay 34 s, */
-       /* ALC gain ramp down delay 33 ms */
-       wm8775_write(client, R19, 0x005);       /* Enable noise gate, threshold -72dBfs */
-       wm8775_write(client, R20, 0x07a);       /* Transient window 4ms, lower PGA gain */
-       /* limit -1dB */
-       wm8775_write(client, R21, 0x102);       /* LRBOTH = 1, use input 2. */
+       /* Initialize wm8775 */
+
+       /* RESET */
+       wm8775_write(client, R23, 0x000);
+       /* Disable zero cross detect timeout */
+       wm8775_write(client, R7, 0x000);
+       /* Left justified, 24-bit mode */
+       wm8775_write(client, R11, 0x021);
+       /* Master mode, clock ratio 256fs */
+       wm8775_write(client, R12, 0x102);
+       /* Powered up */
+       wm8775_write(client, R13, 0x000);
+       /* ADC gain +2.5dB, enable zero cross */
+       wm8775_write(client, R14, 0x1d4);
+       /* ADC gain +2.5dB, enable zero cross */
+       wm8775_write(client, R15, 0x1d4);
+       /* ALC Stereo, ALC target level -1dB FS max gain +8dB */
+       wm8775_write(client, R16, 0x1bf);
+       /* Enable gain control, use zero cross detection,
+          ALC hold time 42.6 ms */
+       wm8775_write(client, R17, 0x185);
+       /* ALC gain ramp up delay 34 s, ALC gain ramp down delay 33 ms */
+       wm8775_write(client, R18, 0x0a2);
+       /* Enable noise gate, threshold -72dBfs */
+       wm8775_write(client, R19, 0x005);
+       /* Transient window 4ms, lower PGA gain limit -1dB */
+       wm8775_write(client, R20, 0x07a);
+       /* LRBOTH = 1, use input 2. */
+       wm8775_write(client, R21, 0x102);
        return 0;
 }