Drop the adv7175 register cache, as it is only written to and never
read back from. This saves 128 bytes of memory and slightly speeds up
the register writes.
Signed-off-by: Jean Delvare <[email protected]>
---
drivers/media/video/adv7175.c | 10 ++--------
1 file changed, 2 insertions(+), 8 deletions(-)
--- linux-2.6.16-rc5.orig/drivers/media/video/adv7175.c 2006-03-01 21:10:12.000000000 +0100
+++ linux-2.6.16-rc5/drivers/media/video/adv7175.c 2006-03-01 21:10:14.000000000 +0100
@@ -67,8 +67,6 @@
/* ----------------------------------------------------------------------- */
struct adv7175 {
- unsigned char reg[128];
-
int norm;
int input;
int enable;
@@ -94,9 +92,6 @@
u8 reg,
u8 value)
{
- struct adv7175 *encoder = i2c_get_clientdata(client);
-
- encoder->reg[reg] = value;
return i2c_smbus_write_byte_data(client, reg, value);
}
@@ -119,7 +114,6 @@
* the adapter understands raw I2C */
if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
/* do raw I2C, not smbus compatible */
- struct adv7175 *encoder = i2c_get_clientdata(client);
struct i2c_msg msg;
u8 block_data[32];
@@ -130,8 +124,8 @@
msg.len = 0;
block_data[msg.len++] = reg = data[0];
do {
- block_data[msg.len++] =
- encoder->reg[reg++] = data[1];
+ block_data[msg.len++] = data[1];
+ reg++;
len -= 2;
data += 2;
} while (len >= 2 && data[0] == reg &&
--
Jean Delvare
-
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