linux-kernel - [PATCH RFC 1/3] media: i2c: adv7842: remove open coded version of SMBus block write

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Date:   Tue, 12 Jan 2021 17:41:27 +0100
From:   Wolfram Sang <wsa+renesas@...g-engineering.com>
To:     linux-i2c@...r.kernel.org
Cc:     Wolfram Sang <wsa+renesas@...g-engineering.com>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH RFC 1/3] media: i2c: adv7842: remove open coded version of SMBus block write

The version here is identical to the one in the I2C core, so use a
define to keep the original name within the driver but call the I2C core
function instead.

Signed-off-by: Wolfram Sang <wsa+renesas@...g-engineering.com>
---
 drivers/media/i2c/adv7842.c | 14 +-------------
 1 file changed, 1 insertion(+), 13 deletions(-)

diff --git a/drivers/media/i2c/adv7842.c b/drivers/media/i2c/adv7842.c
index 0855f648416d..6ed6bcd1d64d 100644
--- a/drivers/media/i2c/adv7842.c
+++ b/drivers/media/i2c/adv7842.c
@@ -343,19 +343,7 @@ static void adv_smbus_write_byte_no_check(struct i2c_client *client,
 		       I2C_SMBUS_BYTE_DATA, &data);
 }
 
-static s32 adv_smbus_write_i2c_block_data(struct i2c_client *client,
-				  u8 command, unsigned length, const u8 *values)
-{
-	union i2c_smbus_data data;
-
-	if (length > I2C_SMBUS_BLOCK_MAX)
-		length = I2C_SMBUS_BLOCK_MAX;
-	data.block[0] = length;
-	memcpy(data.block + 1, values, length);
-	return i2c_smbus_xfer(client->adapter, client->addr, client->flags,
-			      I2C_SMBUS_WRITE, command,
-			      I2C_SMBUS_I2C_BLOCK_DATA, &data);
-}
+#define adv_smbus_write_i2c_block_data i2c_smbus_write_i2c_block_data
 
 /* ----------------------------------------------------------------------- */
 
-- 
2.29.2