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[media] gspca - ov519: Clearer debug and error messages

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Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Jean-François Moine 2010-11-12 13:53:10 -03:00 committed by Mauro Carvalho Chehab
parent f8f20188e8
commit 858ea5e941
1 changed files with 19 additions and 17 deletions
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36
drivers/media/video/gspca/ov519.c
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@ -1885,6 +1885,8 @@ static void reg_w(struct sd *sd, u16 index, u16 value)
req = 0x0a;
/* fall through */
case BRIDGE_W9968CF:
PDEBUG(D_USBO, "SET %02x %04x %04x",
req, value, index);
ret = usb_control_msg(sd->gspca_dev.dev,
usb_sndctrlpipe(sd->gspca_dev.dev, 0),
req,
@ -1895,6 +1897,8 @@ static void reg_w(struct sd *sd, u16 index, u16 value)
req = 1;
}
PDEBUG(D_USBO, "SET %02x 0000 %04x %02x",
req, index, value);
sd->gspca_dev.usb_buf[0] = value;
ret = usb_control_msg(sd->gspca_dev.dev,
usb_sndctrlpipe(sd->gspca_dev.dev, 0),
@ -1904,13 +1908,10 @@ static void reg_w(struct sd *sd, u16 index, u16 value)
sd->gspca_dev.usb_buf, 1, 500);
leave:
if (ret < 0) {
err("Write reg 0x%04x -> [0x%02x] failed",
value, index);
err("reg_w %02x failed %d", index, ret);
sd->gspca_dev.usb_err = ret;
return;
}
PDEBUG(D_USBO, "Write reg 0x%04x -> [0x%02x]", value, index);
}
/* Read from a OV519 register, note not valid for the w9968cf!! */
@ -1943,9 +1944,10 @@ static int reg_r(struct sd *sd, u16 index)
if (ret >= 0) {
ret = sd->gspca_dev.usb_buf[0];
PDEBUG(D_USBI, "Read reg [0x%02X] -> 0x%04X", index, ret);
PDEBUG(D_USBI, "GET %02x 0000 %04x %02x",
req, index, ret);
} else {
err("Read reg [0x%02x] failed", index);
err("reg_r %02x failed %d", index, ret);
sd->gspca_dev.usb_err = ret;
}
@ -1970,7 +1972,7 @@ static int reg_r8(struct sd *sd,
if (ret >= 0) {
ret = sd->gspca_dev.usb_buf[0];
} else {
err("Read reg 8 [0x%02x] failed", index);
err("reg_r8 %02x failed %d", index, ret);
sd->gspca_dev.usb_err = ret;
}
@ -2023,7 +2025,7 @@ static void ov518_reg_w32(struct sd *sd, u16 index, u32 value, int n)
0, index,
sd->gspca_dev.usb_buf, n, 500);
if (ret < 0) {
err("Write reg32 [%02x] %08x failed", index, value);
err("reg_w32 %02x failed %d", index, ret);
sd->gspca_dev.usb_err = ret;
}
}
@ -2032,7 +2034,7 @@ static void ov511_i2c_w(struct sd *sd, u8 reg, u8 value)
{
int rc, retries;
PDEBUG(D_USBO, "i2c 0x%02x -> [0x%02x]", value, reg);
PDEBUG(D_USBO, "ov511_i2c_w %02x %02x", reg, value);
/* Three byte write cycle */
for (retries = 6; ; ) {
@ -2118,7 +2120,7 @@ static int ov511_i2c_r(struct sd *sd, u8 reg)
value = reg_r(sd, R51x_I2C_DATA);
PDEBUG(D_USBI, "i2c [0x%02X] -> 0x%02X", reg, value);
PDEBUG(D_USBI, "ov511_i2c_r %02x %02x", reg, value);
/* This is needed to make i2c_w() work */
reg_w(sd, R511_I2C_CTL, 0x05);
@ -2135,7 +2137,7 @@ static void ov518_i2c_w(struct sd *sd,
u8 reg,
u8 value)
{
PDEBUG(D_USBO, "i2c 0x%02x -> [0x%02x]", value, reg);
PDEBUG(D_USBO, "ov518_i2c_w %02x %02x", reg, value);
/* Select camera register */
reg_w(sd, R51x_I2C_SADDR_3, reg);
@ -2171,7 +2173,7 @@ static int ov518_i2c_r(struct sd *sd, u8 reg)
/* Initiate 2-byte read cycle */
reg_w(sd, R518_I2C_CTL, 0x05);
value = reg_r(sd, R51x_I2C_DATA);
PDEBUG(D_USBI, "i2c [0x%02X] -> 0x%02X", reg, value);
PDEBUG(D_USBI, "ov518_i2c_r %02x %02x", reg, value);
return value;
}
@ -2189,11 +2191,11 @@ static void ovfx2_i2c_w(struct sd *sd, u8 reg, u8 value)
(u16) value, (u16) reg, NULL, 0, 500);
if (ret < 0) {
err("i2c 0x%02x -> [0x%02x] failed", value, reg);
err("ovfx2_i2c_w %02x failed %d", reg, ret);
sd->gspca_dev.usb_err = ret;
}
PDEBUG(D_USBO, "i2c 0x%02x -> [0x%02x]", value, reg);
PDEBUG(D_USBO, "ovfx2_i2c_w %02x %02x", reg, value);
}
static int ovfx2_i2c_r(struct sd *sd, u8 reg)
@ -2211,9 +2213,9 @@ static int ovfx2_i2c_r(struct sd *sd, u8 reg)
if (ret >= 0) {
ret = sd->gspca_dev.usb_buf[0];
PDEBUG(D_USBI, "i2c [0x%02X] -> 0x%02X", reg, ret);
PDEBUG(D_USBI, "ovfx2_i2c_r %02x %02x", reg, ret);
} else {
err("i2c read [0x%02x] failed", reg);
err("ovfx2_i2c_r %02x failed %d", reg, ret);
sd->gspca_dev.usb_err = ret;
}
@ -2472,7 +2474,7 @@ static void ov_hires_configure(struct sd *sd)
PDEBUG(D_PROBE, "Sensor is an OV3610");
sd->sensor = SEN_OV3610;
} else {
err("Error unknown sensor type: 0x%02x%02x",
err("Error unknown sensor type: %02x%02x",
high, low);
}
}