[PATCH 5/8] adv7175: Drop unused register cache

[Jean Delvare <khali@linux-fr.org>]

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 <khali@linux-fr.org>
---
 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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