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Subject[PATCH 3/5] media: i2c: mt9t112: Fix code style issues
Date
Fix code style issues reported by checkpatch run with --strict
options. Also fix other non reported style issues manually.

Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
---
drivers/media/i2c/mt9t112.c | 256 ++++++++++++++++++++------------------------
1 file changed, 118 insertions(+), 138 deletions(-)

diff --git a/drivers/media/i2c/mt9t112.c b/drivers/media/i2c/mt9t112.c
index 6b77dff..6eaf3c6 100644
--- a/drivers/media/i2c/mt9t112.c
+++ b/drivers/media/i2c/mt9t112.c
@@ -35,8 +35,8 @@
/* #define EXT_CLOCK 24000000 */

/************************************************************************
- macro
-************************************************************************/
+ * macro
+ ***********************************************************************/
/*
* frame size
*/
@@ -74,8 +74,8 @@
#define VAR8(id, offset) _VAR(id, offset, 0x8000)

/************************************************************************
- struct
-************************************************************************/
+ * struct
+ ***********************************************************************/
struct mt9t112_format {
u32 code;
enum v4l2_colorspace colorspace;
@@ -96,8 +96,8 @@ struct mt9t112_priv {
};

/************************************************************************
- supported format
-************************************************************************/
+ * supported format
+ ***********************************************************************/

static const struct mt9t112_format mt9t112_cfmts[] = {
{
@@ -134,8 +134,8 @@ static const struct mt9t112_format mt9t112_cfmts[] = {
};

/************************************************************************
- general function
-************************************************************************/
+ * general function
+ ***********************************************************************/
static struct mt9t112_priv *to_mt9t112(const struct i2c_client *client)
{
return container_of(i2c_get_clientdata(client),
@@ -162,15 +162,15 @@ static int __mt9t112_reg_read(const struct i2c_client *client, u16 command)
msg[1].buf = buf;

/*
- * if return value of this function is < 0,
- * it mean error.
- * else, under 16bit is valid data.
+ * If return value of this function is < 0, it means error, else,
+ * below 16bit is valid data.
*/
ret = i2c_transfer(client->adapter, msg, 2);
if (ret < 0)
return ret;

memcpy(&ret, buf, 2);
+
return swab16(ret);
}

@@ -193,22 +193,19 @@ static int __mt9t112_reg_write(const struct i2c_client *client,
msg.buf = buf;

/*
- * i2c_transfer return message length,
- * but this function should return 0 if correct case
+ * i2c_transfer return message length, but this function should
+ * return 0 if correct case.
*/
ret = i2c_transfer(client->adapter, &msg, 1);
- if (ret >= 0)
- ret = 0;

- return ret;
+ return ret >= 0 ? 0 : ret;
}

static int __mt9t112_reg_mask_set(const struct i2c_client *client,
- u16 command,
- u16 mask,
- u16 set)
+ u16 command, u16 mask, u16 set)
{
int val = __mt9t112_reg_read(client, command);
+
if (val < 0)
return val;

@@ -243,11 +240,10 @@ static int __mt9t112_mcu_write(const struct i2c_client *client,
}

static int __mt9t112_mcu_mask_set(const struct i2c_client *client,
- u16 command,
- u16 mask,
- u16 set)
+ u16 command, u16 mask, u16 set)
{
int val = __mt9t112_mcu_read(client, command);
+
if (val < 0)
return val;

@@ -262,7 +258,7 @@ static int mt9t112_reset(const struct i2c_client *client)
int ret;

mt9t112_reg_mask_set(ret, client, 0x001a, 0x0001, 0x0001);
- msleep(1);
+ usleep_range(1000, 5000);
mt9t112_reg_mask_set(ret, client, 0x001a, 0x0001, 0x0000);

return ret;
@@ -301,38 +297,38 @@ static int mt9t112_clock_info(const struct i2c_client *client, u32 ext)
m = n & 0x00ff;
n = (n >> 8) & 0x003f;

- enable = ((6000 > ext) || (54000 < ext)) ? "X" : "";
+ enable = ((ext < 6000) || (ext > 54000)) ? "X" : "";
dev_dbg(&client->dev, "EXTCLK : %10u K %s\n", ext, enable);

- vco = 2 * m * ext / (n+1);
- enable = ((384000 > vco) || (768000 < vco)) ? "X" : "";
+ vco = 2 * m * ext / (n + 1);
+ enable = ((vco < 384000) || (vco > 768000)) ? "X" : "";
dev_dbg(&client->dev, "VCO : %10u K %s\n", vco, enable);

- clk = vco / (p1+1) / (p2+1);
- enable = (96000 < clk) ? "X" : "";
+ clk = vco / (p1 + 1) / (p2 + 1);
+ enable = (clk > 96000) ? "X" : "";
dev_dbg(&client->dev, "PIXCLK : %10u K %s\n", clk, enable);

- clk = vco / (p3+1);
- enable = (768000 < clk) ? "X" : "";
+ clk = vco / (p3 + 1);
+ enable = (clk > 768000) ? "X" : "";
dev_dbg(&client->dev, "MIPICLK : %10u K %s\n", clk, enable);

- clk = vco / (p6+1);
- enable = (96000 < clk) ? "X" : "";
+ clk = vco / (p6 + 1);
+ enable = (clk > 96000) ? "X" : "";
dev_dbg(&client->dev, "MCU CLK : %10u K %s\n", clk, enable);

- clk = vco / (p5+1);
- enable = (54000 < clk) ? "X" : "";
+ clk = vco / (p5 + 1);
+ enable = (clk > 54000) ? "X" : "";
dev_dbg(&client->dev, "SOC CLK : %10u K %s\n", clk, enable);

- clk = vco / (p4+1);
- enable = (70000 < clk) ? "X" : "";
+ clk = vco / (p4 + 1);
+ enable = (clk > 70000) ? "X" : "";
dev_dbg(&client->dev, "Sensor CLK : %10u K %s\n", clk, enable);

- clk = vco / (p7+1);
+ clk = vco / (p7 + 1);
dev_dbg(&client->dev, "External sensor : %10u K\n", clk);

- clk = ext / (n+1);
- enable = ((2000 > clk) || (24000 < clk)) ? "X" : "";
+ clk = ext / (n + 1);
+ enable = ((clk < 2000) || (clk > 24000)) ? "X" : "";
dev_dbg(&client->dev, "PFD : %10u K %s\n", clk, enable);

return 0;
@@ -340,26 +336,25 @@ static int mt9t112_clock_info(const struct i2c_client *client, u32 ext)
#endif

static int mt9t112_set_a_frame_size(const struct i2c_client *client,
- u16 width,
- u16 height)
+ u16 width, u16 height)
{
int ret;
u16 wstart = (MAX_WIDTH - width) / 2;
u16 hstart = (MAX_HEIGHT - height) / 2;

- /* (Context A) Image Width/Height */
+ /* (Context A) Image Width/Height. */
mt9t112_mcu_write(ret, client, VAR(26, 0), width);
mt9t112_mcu_write(ret, client, VAR(26, 2), height);

- /* (Context A) Output Width/Height */
+ /* (Context A) Output Width/Height. */
mt9t112_mcu_write(ret, client, VAR(18, 43), 8 + width);
mt9t112_mcu_write(ret, client, VAR(18, 45), 8 + height);

- /* (Context A) Start Row/Column */
+ /* (Context A) Start Row/Column. */
mt9t112_mcu_write(ret, client, VAR(18, 2), 4 + hstart);
mt9t112_mcu_write(ret, client, VAR(18, 4), 4 + wstart);

- /* (Context A) End Row/Column */
+ /* (Context A) End Row/Column. */
mt9t112_mcu_write(ret, client, VAR(18, 6), 11 + height + hstart);
mt9t112_mcu_write(ret, client, VAR(18, 8), 11 + width + wstart);

@@ -369,35 +364,27 @@ static int mt9t112_set_a_frame_size(const struct i2c_client *client,
}

static int mt9t112_set_pll_dividers(const struct i2c_client *client,
- u8 m, u8 n,
- u8 p1, u8 p2, u8 p3,
- u8 p4, u8 p5, u8 p6,
- u8 p7)
+ u8 m, u8 n, u8 p1, u8 p2, u8 p3, u8 p4,
+ u8 p5, u8 p6, u8 p7)
{
int ret;
u16 val;

/* N/M */
- val = (n << 8) |
- (m << 0);
+ val = (n << 8) | (m << 0);
mt9t112_reg_mask_set(ret, client, 0x0010, 0x3fff, val);

/* P1/P2/P3 */
- val = ((p3 & 0x0F) << 8) |
- ((p2 & 0x0F) << 4) |
- ((p1 & 0x0F) << 0);
+ val = ((p3 & 0x0F) << 8) | ((p2 & 0x0F) << 4) | ((p1 & 0x0F) << 0);
mt9t112_reg_mask_set(ret, client, 0x0012, 0x0fff, val);

/* P4/P5/P6 */
- val = (0x7 << 12) |
- ((p6 & 0x0F) << 8) |
- ((p5 & 0x0F) << 4) |
+ val = (0x7 << 12) | ((p6 & 0x0F) << 8) | ((p5 & 0x0F) << 4) |
((p4 & 0x0F) << 0);
mt9t112_reg_mask_set(ret, client, 0x002A, 0x7fff, val);

/* P7 */
- val = (0x1 << 12) |
- ((p7 & 0x0F) << 0);
+ val = (0x1 << 12) | ((p7 & 0x0F) << 0);
mt9t112_reg_mask_set(ret, client, 0x002C, 0x100f, val);

return ret;
@@ -410,19 +397,15 @@ static int mt9t112_init_pll(const struct i2c_client *client)

mt9t112_reg_mask_set(ret, client, 0x0014, 0x003, 0x0001);

- /* PLL control: BYPASS PLL = 8517 */
+ /* PLL control: BYPASS PLL = 8517. */
mt9t112_reg_write(ret, client, 0x0014, 0x2145);

- /* Replace these registers when new timing parameters are generated */
+ /* Replace these registers when new timing parameters are generated. */
mt9t112_set_pll_dividers(client,
- priv->info->divider.m,
- priv->info->divider.n,
- priv->info->divider.p1,
- priv->info->divider.p2,
- priv->info->divider.p3,
- priv->info->divider.p4,
- priv->info->divider.p5,
- priv->info->divider.p6,
+ priv->info->divider.m, priv->info->divider.n,
+ priv->info->divider.p1, priv->info->divider.p2,
+ priv->info->divider.p3, priv->info->divider.p4,
+ priv->info->divider.p5, priv->info->divider.p6,
priv->info->divider.p7);

/*
@@ -444,20 +427,21 @@ static int mt9t112_init_pll(const struct i2c_client *client)
* I2C Master Clock Divider
*/
mt9t112_reg_write(ret, client, 0x0014, 0x3046);
- mt9t112_reg_write(ret, client, 0x0016, 0x0400); /* JPEG initialization workaround */
+ /* JPEG initialization workaround */
+ mt9t112_reg_write(ret, client, 0x0016, 0x0400);
mt9t112_reg_write(ret, client, 0x0022, 0x0190);
mt9t112_reg_write(ret, client, 0x3B84, 0x0212);

- /* External sensor clock is PLL bypass */
+ /* External sensor clock is PLL bypass. */
mt9t112_reg_write(ret, client, 0x002E, 0x0500);

mt9t112_reg_mask_set(ret, client, 0x0018, 0x0002, 0x0002);
mt9t112_reg_mask_set(ret, client, 0x3B82, 0x0004, 0x0004);

- /* MCU disabled */
+ /* MCU disabled. */
mt9t112_reg_mask_set(ret, client, 0x0018, 0x0004, 0x0004);

- /* out of standby */
+ /* Out of standby. */
mt9t112_reg_mask_set(ret, client, 0x0018, 0x0001, 0);

mdelay(50);
@@ -479,10 +463,10 @@ static int mt9t112_init_pll(const struct i2c_client *client)
mt9t112_reg_write(ret, client, 0x0614, 0x0001);
mdelay(1);

- /* poll to verify out of standby. Must Poll this bit */
+ /* Poll to verify out of standby. Must Poll this bit. */
for (i = 0; i < 100; i++) {
mt9t112_reg_read(data, client, 0x0018);
- if (!(0x4000 & data))
+ if (!(data & 0x4000))
break;

mdelay(10);
@@ -493,7 +477,6 @@ static int mt9t112_init_pll(const struct i2c_client *client)

static int mt9t112_init_setting(const struct i2c_client *client)
{
-
int ret;

/* Adaptive Output Clock (A) */
@@ -554,11 +537,11 @@ static int mt9t112_init_setting(const struct i2c_client *client)
mt9t112_mcu_write(ret, client, VAR(18, 109), 0x0AF0);

/*
- * Flicker Dectection registers
- * This section should be replaced whenever new Timing file is generated
- * All the following registers need to be replaced
+ * Flicker Dectection registers.
+ * This section should be replaced whenever new timing file is
+ * generated. All the following registers need to be replaced.
* Following registers are generated from Register Wizard but user can
- * modify them. For detail see auto flicker detection tuning
+ * modify them. For detail see auto flicker detection tuning.
*/

/* FD_FDPERIOD_SELECT */
@@ -571,47 +554,47 @@ static int mt9t112_init_setting(const struct i2c_client *client)
mt9t112_mcu_write(ret, client, VAR(26, 17), 0x0003);

/*
- * AFD range detection tuning registers
+ * AFD range detection tuning registers.
*/

- /* search_f1_50 */
+ /* Search_f1_50 */
mt9t112_mcu_write(ret, client, VAR8(18, 165), 0x25);

- /* search_f2_50 */
+ /* Search_f2_50 */
mt9t112_mcu_write(ret, client, VAR8(18, 166), 0x28);

- /* search_f1_60 */
+ /* Search_f1_60 */
mt9t112_mcu_write(ret, client, VAR8(18, 167), 0x2C);

- /* search_f2_60 */
+ /* Search_f2_60 */
mt9t112_mcu_write(ret, client, VAR8(18, 168), 0x2F);

- /* period_50Hz (A) */
+ /* Period_50Hz (A) */
mt9t112_mcu_write(ret, client, VAR8(18, 68), 0xBA);

- /* secret register by aptina */
- /* period_50Hz (A MSB) */
+ /* Secret register by Aptina. */
+ /* Period_50Hz (A MSB) */
mt9t112_mcu_write(ret, client, VAR8(18, 303), 0x00);

- /* period_60Hz (A) */
+ /* Period_60Hz (A) */
mt9t112_mcu_write(ret, client, VAR8(18, 69), 0x9B);

- /* secret register by aptina */
- /* period_60Hz (A MSB) */
+ /* Secret register by Aptina. */
+ /* Period_60Hz (A MSB) */
mt9t112_mcu_write(ret, client, VAR8(18, 301), 0x00);

- /* period_50Hz (B) */
+ /* Period_50Hz (B) */
mt9t112_mcu_write(ret, client, VAR8(18, 140), 0x82);

- /* secret register by aptina */
- /* period_50Hz (B) MSB */
+ /* Secret register by Aptina. */
+ /* Period_50Hz (B) MSB */
mt9t112_mcu_write(ret, client, VAR8(18, 304), 0x00);

- /* period_60Hz (B) */
+ /* Period_60Hz (B) */
mt9t112_mcu_write(ret, client, VAR8(18, 141), 0x6D);

- /* secret register by aptina */
- /* period_60Hz (B) MSB */
+ /* Secret register by Aptina. */
+ /* Period_60Hz (B) MSB */
mt9t112_mcu_write(ret, client, VAR8(18, 302), 0x00);

/* FD Mode */
@@ -685,49 +668,50 @@ static int mt9t112_init_camera(const struct i2c_client *client)
int ret;

ECHECKER(ret, mt9t112_reset(client));
-
ECHECKER(ret, mt9t112_init_pll(client));
-
ECHECKER(ret, mt9t112_init_setting(client));
-
ECHECKER(ret, mt9t112_auto_focus_setting(client));

mt9t112_reg_mask_set(ret, client, 0x0018, 0x0004, 0);

- /* Analog setting B */
+ /* Analog setting B.*/
mt9t112_reg_write(ret, client, 0x3084, 0x2409);
mt9t112_reg_write(ret, client, 0x3092, 0x0A49);
mt9t112_reg_write(ret, client, 0x3094, 0x4949);
mt9t112_reg_write(ret, client, 0x3096, 0x4950);

/*
- * Disable adaptive clock
+ * Disable adaptive clock.
* PRI_A_CONFIG_JPEG_OB_TX_CONTROL_VAR
* PRI_B_CONFIG_JPEG_OB_TX_CONTROL_VAR
*/
mt9t112_mcu_write(ret, client, VAR(26, 160), 0x0A2E);
mt9t112_mcu_write(ret, client, VAR(27, 160), 0x0A2E);

- /* Configure STatus in Status_before_length Format and enable header */
- /* PRI_B_CONFIG_JPEG_OB_TX_CONTROL_VAR */
+ /*
+ * Configure Status in Status_before_length Format and enable header.
+ * PRI_B_CONFIG_JPEG_OB_TX_CONTROL_VAR
+ */
mt9t112_mcu_write(ret, client, VAR(27, 144), 0x0CB4);

- /* Enable JPEG in context B */
- /* PRI_B_CONFIG_JPEG_OB_TX_CONTROL_VAR */
+ /*
+ * Enable JPEG in context B.
+ * PRI_B_CONFIG_JPEG_OB_TX_CONTROL_VAR
+ */
mt9t112_mcu_write(ret, client, VAR8(27, 142), 0x01);

- /* Disable Dac_TXLO */
+ /* Disable Dac_TXLO. */
mt9t112_reg_write(ret, client, 0x316C, 0x350F);

- /* Set max slew rates */
+ /* Set max slew rates. */
mt9t112_reg_write(ret, client, 0x1E, 0x777);

return ret;
}

/************************************************************************
- v4l2_subdev_core_ops
-************************************************************************/
+ * v4l2_subdev_core_ops
+ ***********************************************************************/

#ifdef CONFIG_VIDEO_ADV_DEBUG
static int mt9t112_g_register(struct v4l2_subdev *sd,
@@ -800,10 +784,9 @@ static const struct v4l2_subdev_core_ops mt9t112_subdev_core_ops = {
.s_power = mt9t112_s_power,
};

-
/************************************************************************
- v4l2_subdev_video_ops
-************************************************************************/
+ * v4l2_subdev_video_ops
+ **********************************************************************/
static int mt9t112_s_stream(struct v4l2_subdev *sd, int enable)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
@@ -813,8 +796,7 @@ static int mt9t112_s_stream(struct v4l2_subdev *sd, int enable)
if (!enable) {
/* FIXME
*
- * If user selected large output size,
- * and used it long time,
+ * If user selected large output size, and used it long time,
* mt9t112 camera will be very warm.
*
* But current driver can not stop mt9t112 camera.
@@ -830,7 +812,7 @@ static int mt9t112_s_stream(struct v4l2_subdev *sd, int enable)

ECHECKER(ret, mt9t112_init_camera(client));

- /* Invert PCLK (Data sampled on falling edge of pixclk) */
+ /* Invert PCLK (Data sampled on falling edge of pixclk). */
mt9t112_reg_write(ret, client, 0x3C20, param);

mdelay(5);
@@ -842,9 +824,7 @@ static int mt9t112_s_stream(struct v4l2_subdev *sd, int enable)
mt9t112_mcu_write(ret, client, VAR(26, 9), priv->format->order);
mt9t112_mcu_write(ret, client, VAR8(1, 0), 0x06);

- mt9t112_set_a_frame_size(client,
- priv->frame.width,
- priv->frame.height);
+ mt9t112_set_a_frame_size(client, priv->frame.width, priv->frame.height);

ECHECKER(ret, mt9t112_auto_focus_trigger(client));

@@ -874,7 +854,7 @@ static int mt9t112_set_params(struct mt9t112_priv *priv,
if (i == priv->num_formats)
return -EINVAL;

- priv->frame = *rect;
+ priv->frame = *rect;

/*
* frame size check
@@ -888,7 +868,7 @@ static int mt9t112_set_params(struct mt9t112_priv *priv,
}

static int mt9t112_get_selection(struct v4l2_subdev *sd,
- struct v4l2_subdev_pad_config *cfg,
+ struct v4l2_subdev_pad_config *cfg,
struct v4l2_subdev_selection *sel)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
@@ -919,8 +899,8 @@ static int mt9t112_get_selection(struct v4l2_subdev *sd,
}

static int mt9t112_set_selection(struct v4l2_subdev *sd,
- struct v4l2_subdev_pad_config *cfg,
- struct v4l2_subdev_selection *sel)
+ struct v4l2_subdev_pad_config *cfg,
+ struct v4l2_subdev_selection *sel)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
struct mt9t112_priv *priv = to_mt9t112(client);
@@ -934,8 +914,8 @@ static int mt9t112_set_selection(struct v4l2_subdev *sd,
}

static int mt9t112_get_fmt(struct v4l2_subdev *sd,
- struct v4l2_subdev_pad_config *cfg,
- struct v4l2_subdev_format *format)
+ struct v4l2_subdev_pad_config *cfg,
+ struct v4l2_subdev_format *format)
{
struct v4l2_mbus_framefmt *mf = &format->format;
struct i2c_client *client = v4l2_get_subdevdata(sd);
@@ -975,11 +955,11 @@ static int mt9t112_s_fmt(struct v4l2_subdev *sd,
}

static int mt9t112_set_fmt(struct v4l2_subdev *sd,
- struct v4l2_subdev_pad_config *cfg,
- struct v4l2_subdev_format *format)
+ struct v4l2_subdev_pad_config *cfg,
+ struct v4l2_subdev_format *format)
{
- struct v4l2_mbus_framefmt *mf = &format->format;
struct i2c_client *client = v4l2_get_subdevdata(sd);
+ struct v4l2_mbus_framefmt *mf = &format->format;
struct mt9t112_priv *priv = to_mt9t112(client);
int i;

@@ -994,7 +974,7 @@ static int mt9t112_set_fmt(struct v4l2_subdev *sd,
mf->code = MEDIA_BUS_FMT_UYVY8_2X8;
mf->colorspace = V4L2_COLORSPACE_JPEG;
} else {
- mf->colorspace = mt9t112_cfmts[i].colorspace;
+ mf->colorspace = mt9t112_cfmts[i].colorspace;
}

v4l_bound_align_image(&mf->width, 0, MAX_WIDTH, 0,
@@ -1005,12 +985,13 @@ static int mt9t112_set_fmt(struct v4l2_subdev *sd,
if (format->which == V4L2_SUBDEV_FORMAT_ACTIVE)
return mt9t112_s_fmt(sd, mf);
cfg->try_fmt = *mf;
+
return 0;
}

static int mt9t112_enum_mbus_code(struct v4l2_subdev *sd,
- struct v4l2_subdev_pad_config *cfg,
- struct v4l2_subdev_mbus_code_enum *code)
+ struct v4l2_subdev_pad_config *cfg,
+ struct v4l2_subdev_mbus_code_enum *code)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
struct mt9t112_priv *priv = to_mt9t112(client);
@@ -1028,7 +1009,7 @@ static const struct v4l2_subdev_video_ops mt9t112_subdev_video_ops = {
};

static const struct v4l2_subdev_pad_ops mt9t112_subdev_pad_ops = {
- .enum_mbus_code = mt9t112_enum_mbus_code,
+ .enum_mbus_code = mt9t112_enum_mbus_code,
.get_selection = mt9t112_get_selection,
.set_selection = mt9t112_set_selection,
.get_fmt = mt9t112_get_fmt,
@@ -1036,8 +1017,8 @@ static const struct v4l2_subdev_pad_ops mt9t112_subdev_pad_ops = {
};

/************************************************************************
- i2c driver
-************************************************************************/
+ * i2c driver
+ ***********************************************************************/
static const struct v4l2_subdev_ops mt9t112_subdev_ops = {
.core = &mt9t112_subdev_core_ops,
.video = &mt9t112_subdev_video_ops,
@@ -1055,9 +1036,7 @@ static int mt9t112_camera_probe(struct i2c_client *client)
if (ret < 0)
return ret;

- /*
- * check and show chip ID
- */
+ /* Check and show chip ID. */
mt9t112_reg_read(chipid, client, 0x0000);

switch (chipid) {
@@ -1079,6 +1058,7 @@ static int mt9t112_camera_probe(struct i2c_client *client)

done:
mt9t112_s_power(&priv->subdev, 0);
+
return ret;
}

@@ -1121,7 +1101,7 @@ static int mt9t112_probe(struct i2c_client *client,
if (ret)
return ret;

- return v4l2_async_register_subdev(&priv->subdev);
+ return v4l2_async_register_subdev(&priv->subdev);
}

static int mt9t112_remove(struct i2c_client *client)
--
2.7.4
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