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authorHans Verkuil <hverkuil@xs4all.nl>2007-11-01 07:58:17 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2008-01-25 19:03:17 -0200
commit574dec611f1578b52dd37df5c95f855a28652e42 (patch)
tree16735f23d3b7293665edd5527fb5b42f9cce5edc /drivers/media/video/tlv320aic23b.c
parent4c05de9c971b70a61d81cd2f1c78db85e2632d1c (diff)
V4L/DVB (6740): tlv320aic23b: codingstyle cleanups
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video/tlv320aic23b.c')
-rw-r--r--drivers/media/video/tlv320aic23b.c63
1 files changed, 34 insertions, 29 deletions
diff --git a/drivers/media/video/tlv320aic23b.c b/drivers/media/video/tlv320aic23b.c
index e906528348a9..dc7b9c220b90 100644
--- a/drivers/media/video/tlv320aic23b.c
+++ b/drivers/media/video/tlv320aic23b.c
@@ -57,37 +57,35 @@ static int tlv320aic23b_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 tlv320aic23b_command(struct i2c_client *client, unsigned int cmd,
- void *arg)
+static int tlv320aic23b_command(struct i2c_client *client,
+ unsigned int cmd, void *arg)
{
struct tlv320aic23b_state *state = i2c_get_clientdata(client);
struct v4l2_control *ctrl = arg;
- u32* freq = arg;
+ u32 *freq = arg;
switch (cmd) {
case VIDIOC_INT_AUDIO_CLOCK_FREQ:
switch (*freq) {
- case 32000: /* set sample rate to 32 kHz */
- tlv320aic23b_write(client, 8, 0x018);
- break;
- case 44100: /* set sample rate to 44.1 kHz */
- tlv320aic23b_write(client, 8, 0x022);
- break;
- case 48000: /* set sample rate to 48 kHz */
- tlv320aic23b_write(client, 8, 0x000);
- break;
- default:
- return -EINVAL;
+ case 32000: /* set sample rate to 32 kHz */
+ tlv320aic23b_write(client, 8, 0x018);
+ break;
+ case 44100: /* set sample rate to 44.1 kHz */
+ tlv320aic23b_write(client, 8, 0x022);
+ break;
+ case 48000: /* set sample rate to 48 kHz */
+ tlv320aic23b_write(client, 8, 0x000);
+ break;
+ default:
+ return -EINVAL;
}
break;
@@ -135,22 +133,29 @@ static int tlv320aic23b_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 tlv320aic23b_state), GFP_KERNEL);
- if (state == NULL) {
+ if (state == NULL)
return -ENOMEM;
- }
state->muted = 0;
i2c_set_clientdata(client, state);
- /* initialize tlv320aic23b */
- tlv320aic23b_write(client, 15, 0x000); /* RESET */
- tlv320aic23b_write(client, 6, 0x00A); /* turn off DAC & mic input */
- tlv320aic23b_write(client, 7, 0x049); /* left-justified, 24-bit, master mode */
- tlv320aic23b_write(client, 0, 0x119); /* set gain on both channels to +3.0 dB */
- tlv320aic23b_write(client, 8, 0x000); /* set sample rate to 48 kHz */
- tlv320aic23b_write(client, 9, 0x001); /* activate digital interface */
+ /* Initialize tlv320aic23b */
+
+ /* RESET */
+ tlv320aic23b_write(client, 15, 0x000);
+ /* turn off DAC & mic input */
+ tlv320aic23b_write(client, 6, 0x00A);
+ /* left-justified, 24-bit, master mode */
+ tlv320aic23b_write(client, 7, 0x049);
+ /* set gain on both channels to +3.0 dB */
+ tlv320aic23b_write(client, 0, 0x119);
+ /* set sample rate to 48 kHz */
+ tlv320aic23b_write(client, 8, 0x000);
+ /* activate digital interface */
+ tlv320aic23b_write(client, 9, 0x001);
return 0;
}