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path: root/drivers/media/common/saa7146/saa7146_i2c.c
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Diffstat (limited to 'drivers/media/common/saa7146/saa7146_i2c.c')
-rw-r--r--drivers/media/common/saa7146/saa7146_i2c.c14
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/media/common/saa7146/saa7146_i2c.c b/drivers/media/common/saa7146/saa7146_i2c.c
index 22027198129d..df9ebe2a168c 100644
--- a/drivers/media/common/saa7146/saa7146_i2c.c
+++ b/drivers/media/common/saa7146/saa7146_i2c.c
@@ -1,6 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-#include <media/saa7146_vv.h>
+#include <media/drv-intf/saa7146_vv.h>
static u32 saa7146_i2c_func(struct i2c_adapter *adapter)
{
@@ -53,10 +54,7 @@ static int saa7146_i2c_msg_prepare(const struct i2c_msg *m, int num, __le32 *op)
/* loop through all messages */
for(i = 0; i < num; i++) {
- /* insert the address of the i2c-slave.
- note: we get 7 bit i2c-addresses,
- so we have to perform a translation */
- addr = (m[i].addr*2) + ( (0 != (m[i].flags & I2C_M_RD)) ? 1 : 0);
+ addr = i2c_8bit_addr_from_msg(&m[i]);
h1 = op_count/3; h2 = op_count%3;
op[h1] |= cpu_to_le32( (u8)addr << ((3-h2)*8));
op[h1] |= cpu_to_le32(SAA7146_I2C_START << ((3-h2)*2));
@@ -307,7 +305,7 @@ static int saa7146_i2c_transfer(struct saa7146_dev *dev, const struct i2c_msg *m
/* prepare the message(s), get number of u32s to transfer */
count = saa7146_i2c_msg_prepare(msgs, num, buffer);
if ( 0 > count ) {
- err = -1;
+ err = -EIO;
goto out;
}
@@ -359,7 +357,7 @@ static int saa7146_i2c_transfer(struct saa7146_dev *dev, const struct i2c_msg *m
/* if any things had to be read, get the results */
if ( 0 != saa7146_i2c_msg_cleanup(msgs, num, buffer)) {
DEB_I2C("could not cleanup i2c-message\n");
- err = -1;
+ err = -EIO;
goto out;
}
@@ -395,7 +393,7 @@ static int saa7146_i2c_xfer(struct i2c_adapter* adapter, struct i2c_msg *msg, in
/* i2c-adapter helper functions */
/* exported algorithm data */
-static struct i2c_algorithm saa7146_algo = {
+static const struct i2c_algorithm saa7146_algo = {
.master_xfer = saa7146_i2c_xfer,
.functionality = saa7146_i2c_func,
};