Hi Jonathan,
Thanks for the patch.
On Friday 21 October 2011 15:30:25 Jonathan Cameron wrote:
> Function ensures that error codes don't get mangled.
> Dependant on:
> i2c: boilerplate function for byte swapped smbus_write/read_word_data
> which is working it's way through the i2c tree.
>
> Signed-off-by: Jonathan Cameron <ji...@cam.ac.uk>
> Acked-by: Jean Delvare <kh...@linux-fr.org>
For the mt9v032 driver,
Acked-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
The mt9t001 and mt9p031 drivers should be fixed similarly. I'll send a patch.
> ---
>
> V2: Stray line removed as per Jean's comment. Thanks Jean.
>
> Dependency due to go upstream during next merge window.
>
> drivers/media/video/mt9m001.c | 5 ++---
> drivers/media/video/mt9m111.c | 7 +++----
> drivers/media/video/mt9t031.c | 5 ++---
> drivers/media/video/mt9v022.c | 5 ++---
> drivers/media/video/mt9v032.c | 8 ++++----
> 5 files changed, 13 insertions(+), 17 deletions(-)
>
> diff --git a/drivers/media/video/mt9m001.c b/drivers/media/video/mt9m001.c
> index 4da9cca..862a300 100644
> --- a/drivers/media/video/mt9m001.c
> +++ b/drivers/media/video/mt9m001.c
> @@ -102,14 +102,13 @@ static struct mt9m001 *to_mt9m001(const struct
> i2c_client *client)
>
> static int reg_read(struct i2c_client *client, const u8 reg)
> {
> - s32 data = i2c_smbus_read_word_data(client, reg);
> - return data < 0 ? data : swab16(data);
> + return i2c_smbus_read_word_swapped(client, reg);
> }
>
> static int reg_write(struct i2c_client *client, const u8 reg,
> const u16 data)
> {
> - return i2c_smbus_write_word_data(client, reg, swab16(data));
> + return i2c_smbus_write_word_swapped(client, reg, data);
> }
>
> static int reg_set(struct i2c_client *client, const u8 reg,
> diff --git a/drivers/media/video/mt9m111.c b/drivers/media/video/mt9m111.c
> index a357aa8..41b3029 100644
> --- a/drivers/media/video/mt9m111.c
> +++ b/drivers/media/video/mt9m111.c
> @@ -210,7 +210,7 @@ static int reg_page_map_set(struct i2c_client *client,
> const u16 reg) if (page > 2)
> return -EINVAL;
>
> - ret = i2c_smbus_write_word_data(client, MT9M111_PAGE_MAP, swab16(page));
> + ret = i2c_smbus_write_word_swapped(client, MT9M111_PAGE_MAP, page);
> if (!ret)
> lastpage = page;
> return ret;
> @@ -222,7 +222,7 @@ static int mt9m111_reg_read(struct i2c_client *client,
> const u16 reg)
>
> ret = reg_page_map_set(client, reg);
> if (!ret)
> - ret = swab16(i2c_smbus_read_word_data(client, reg & 0xff));
> + ret = i2c_smbus_read_word_swapped(client, reg & 0xff);
>
> dev_dbg(&client->dev, "read reg.%03x -> %04x\n", reg, ret);
> return ret;
> @@ -235,8 +235,7 @@ static int mt9m111_reg_write(struct i2c_client *client,
> const u16 reg,
>
> ret = reg_page_map_set(client, reg);
> if (!ret)
> - ret = i2c_smbus_write_word_data(client, reg & 0xff,
> - swab16(data));
> + ret = i2c_smbus_write_word_swapped(client, reg & 0xff, data);
> dev_dbg(&client->dev, "write reg.%03x = %04x -> %d\n", reg, data, ret);
> return ret;
> }
> diff --git a/drivers/media/video/mt9t031.c b/drivers/media/video/mt9t031.c
> index 30547cc..e4ac238 100644
> --- a/drivers/media/video/mt9t031.c
> +++ b/drivers/media/video/mt9t031.c
> @@ -81,14 +81,13 @@ static struct mt9t031 *to_mt9t031(const struct
> i2c_client *client)
>
> static int reg_read(struct i2c_client *client, const u8 reg)
> {
> - s32 data = i2c_smbus_read_word_data(client, reg);
> - return data < 0 ? data : swab16(data);
> + return i2c_smbus_read_word_swapped(client, reg);
> }
>
> static int reg_write(struct i2c_client *client, const u8 reg,
> const u16 data)
> {
> - return i2c_smbus_write_word_data(client, reg, swab16(data));
> + return i2c_smbus_write_word_swapped(client, reg, data);
> }
>
> static int reg_set(struct i2c_client *client, const u8 reg,
> diff --git a/drivers/media/video/mt9v022.c b/drivers/media/video/mt9v022.c
> index 51b0fcc..d5272d9 100644
> --- a/drivers/media/video/mt9v022.c
> +++ b/drivers/media/video/mt9v022.c
> @@ -116,14 +116,13 @@ static struct mt9v022 *to_mt9v022(const struct
> i2c_client *client)
>
> static int reg_read(struct i2c_client *client, const u8 reg)
> {
> - s32 data = i2c_smbus_read_word_data(client, reg);
> - return data < 0 ? data : swab16(data);
> + return i2c_smbus_read_word_swapped(client, reg);
> }
>
> static int reg_write(struct i2c_client *client, const u8 reg,
> const u16 data)
> {
> - return i2c_smbus_write_word_data(client, reg, swab16(data));
> + return i2c_smbus_write_word_swapped(client, reg, data);
> }
>
> static int reg_set(struct i2c_client *client, const u8 reg,
> diff --git a/drivers/media/video/mt9v032.c b/drivers/media/video/mt9v032.c
> index c64e1dc..7906929 100644
> --- a/drivers/media/video/mt9v032.c
> +++ b/drivers/media/video/mt9v032.c
> @@ -138,10 +138,10 @@ static struct mt9v032 *to_mt9v032(struct v4l2_subdev
> *sd)
>
> static int mt9v032_read(struct i2c_client *client, const u8 reg)
> {
> - s32 data = i2c_smbus_read_word_data(client, reg);
> + s32 data = i2c_smbus_read_word_swapped(client, reg);
> dev_dbg(&client->dev, "%s: read 0x%04x from 0x%02x\n", __func__,
> - swab16(data), reg);
> - return data < 0 ? data : swab16(data);
> + data, reg);
> + return data;
> }
>
> static int mt9v032_write(struct i2c_client *client, const u8 reg,
> @@ -149,7 +149,7 @@ static int mt9v032_write(struct i2c_client *client,
> const u8 reg, {
> dev_dbg(&client->dev, "%s: writing 0x%04x to 0x%02x\n", __func__,
> data, reg);
> - return i2c_smbus_write_word_data(client, reg, swab16(data));
> + return i2c_smbus_write_word_swapped(client, reg, data);
> }
>
> static int mt9v032_set_chip_control(struct mt9v032 *mt9v032, u16 clear,
> u16 set)
--
Regards,
Laurent Pinchart
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