From d51dbecc85618a75ec0c76dad27c45d9b8d64c66 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Fri, 20 Apr 2012 03:30:11 -0300 Subject: [PATCH] [media] dw2102: fix compile warnings media_build/v4l/dw2102.c:151:13: warning: variable 'ret' set but not used [-Wunused-but-set-variable] media_build/v4l/dw2102.c:224:6: warning: variable 'ret' set but not used [-Wunused-but-set-variable] media_build/v4l/dw2102.c:279:6: warning: variable 'ret' set but not used [-Wunused-but-set-variable] media_build/v4l/dw2102.c:352:6: warning: variable 'ret' set but not used [-Wunused-but-set-variable] media_build/v4l/dw2102.c:435:6: warning: variable 'ret' set but not used [-Wunused-but-set-variable] media_build/v4l/dw2102.c:499:6: warning: variable 'ret' set but not used [-Wunused-but-set-variable] Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/dw2102.c | 76 ++++++++++++++---------------- 1 file changed, 36 insertions(+), 40 deletions(-) diff --git a/drivers/media/dvb/dvb-usb/dw2102.c b/drivers/media/dvb/dvb-usb/dw2102.c index 451c5a7adfb2..9382895b1b88 100644 --- a/drivers/media/dvb/dvb-usb/dw2102.c +++ b/drivers/media/dvb/dvb-usb/dw2102.c @@ -148,7 +148,7 @@ static int dw2102_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], int num) { struct dvb_usb_device *d = i2c_get_adapdata(adap); - int i = 0, ret = 0; + int i = 0; u8 buf6[] = {0x2c, 0x05, 0xc0, 0, 0, 0, 0}; u16 value; @@ -162,7 +162,7 @@ static int dw2102_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], /* read stv0299 register */ value = msg[0].buf[0];/* register */ for (i = 0; i < msg[1].len; i++) { - ret = dw210x_op_rw(d->udev, 0xb5, value + i, 0, + dw210x_op_rw(d->udev, 0xb5, value + i, 0, buf6, 2, DW210X_READ_MSG); msg[1].buf[i] = buf6[0]; } @@ -174,7 +174,7 @@ static int dw2102_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], buf6[0] = 0x2a; buf6[1] = msg[0].buf[0]; buf6[2] = msg[0].buf[1]; - ret = dw210x_op_rw(d->udev, 0xb2, 0, 0, + dw210x_op_rw(d->udev, 0xb2, 0, 0, buf6, 3, DW210X_WRITE_MSG); break; case 0x60: @@ -187,17 +187,17 @@ static int dw2102_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], buf6[4] = msg[0].buf[1]; buf6[5] = msg[0].buf[2]; buf6[6] = msg[0].buf[3]; - ret = dw210x_op_rw(d->udev, 0xb2, 0, 0, + dw210x_op_rw(d->udev, 0xb2, 0, 0, buf6, 7, DW210X_WRITE_MSG); } else { /* read from tuner */ - ret = dw210x_op_rw(d->udev, 0xb5, 0, 0, + dw210x_op_rw(d->udev, 0xb5, 0, 0, buf6, 1, DW210X_READ_MSG); msg[0].buf[0] = buf6[0]; } break; case (DW2102_RC_QUERY): - ret = dw210x_op_rw(d->udev, 0xb8, 0, 0, + dw210x_op_rw(d->udev, 0xb8, 0, 0, buf6, 2, DW210X_READ_MSG); msg[0].buf[0] = buf6[0]; msg[0].buf[1] = buf6[1]; @@ -205,7 +205,7 @@ static int dw2102_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], case (DW2102_VOLTAGE_CTRL): buf6[0] = 0x30; buf6[1] = msg[0].buf[0]; - ret = dw210x_op_rw(d->udev, 0xb2, 0, 0, + dw210x_op_rw(d->udev, 0xb2, 0, 0, buf6, 2, DW210X_WRITE_MSG); break; } @@ -221,7 +221,6 @@ static int dw2102_serit_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], int num) { struct dvb_usb_device *d = i2c_get_adapdata(adap); - int ret = 0; u8 buf6[] = {0, 0, 0, 0, 0, 0, 0}; if (!d) @@ -235,10 +234,10 @@ static int dw2102_serit_i2c_transfer(struct i2c_adapter *adap, buf6[0] = msg[0].addr << 1; buf6[1] = msg[0].len; buf6[2] = msg[0].buf[0]; - ret = dw210x_op_rw(d->udev, 0xc2, 0, 0, + dw210x_op_rw(d->udev, 0xc2, 0, 0, buf6, msg[0].len + 2, DW210X_WRITE_MSG); /* read si2109 register */ - ret = dw210x_op_rw(d->udev, 0xc3, 0xd0, 0, + dw210x_op_rw(d->udev, 0xc3, 0xd0, 0, buf6, msg[1].len + 2, DW210X_READ_MSG); memcpy(msg[1].buf, buf6 + 2, msg[1].len); @@ -250,11 +249,11 @@ static int dw2102_serit_i2c_transfer(struct i2c_adapter *adap, buf6[0] = msg[0].addr << 1; buf6[1] = msg[0].len; memcpy(buf6 + 2, msg[0].buf, msg[0].len); - ret = dw210x_op_rw(d->udev, 0xc2, 0, 0, buf6, + dw210x_op_rw(d->udev, 0xc2, 0, 0, buf6, msg[0].len + 2, DW210X_WRITE_MSG); break; case(DW2102_RC_QUERY): - ret = dw210x_op_rw(d->udev, 0xb8, 0, 0, + dw210x_op_rw(d->udev, 0xb8, 0, 0, buf6, 2, DW210X_READ_MSG); msg[0].buf[0] = buf6[0]; msg[0].buf[1] = buf6[1]; @@ -262,7 +261,7 @@ static int dw2102_serit_i2c_transfer(struct i2c_adapter *adap, case(DW2102_VOLTAGE_CTRL): buf6[0] = 0x30; buf6[1] = msg[0].buf[0]; - ret = dw210x_op_rw(d->udev, 0xb2, 0, 0, + dw210x_op_rw(d->udev, 0xb2, 0, 0, buf6, 2, DW210X_WRITE_MSG); break; } @@ -276,7 +275,6 @@ static int dw2102_serit_i2c_transfer(struct i2c_adapter *adap, static int dw2102_earda_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], int num) { struct dvb_usb_device *d = i2c_get_adapdata(adap); - int ret = 0; if (!d) return -ENODEV; @@ -291,10 +289,10 @@ static int dw2102_earda_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg ms obuf[0] = msg[0].addr << 1; obuf[1] = msg[0].len; obuf[2] = msg[0].buf[0]; - ret = dw210x_op_rw(d->udev, 0xc2, 0, 0, + dw210x_op_rw(d->udev, 0xc2, 0, 0, obuf, msg[0].len + 2, DW210X_WRITE_MSG); /* second read registers */ - ret = dw210x_op_rw(d->udev, 0xc3, 0xd1 , 0, + dw210x_op_rw(d->udev, 0xc3, 0xd1 , 0, ibuf, msg[1].len + 2, DW210X_READ_MSG); memcpy(msg[1].buf, ibuf + 2, msg[1].len); @@ -308,7 +306,7 @@ static int dw2102_earda_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg ms obuf[0] = msg[0].addr << 1; obuf[1] = msg[0].len; memcpy(obuf + 2, msg[0].buf, msg[0].len); - ret = dw210x_op_rw(d->udev, 0xc2, 0, 0, + dw210x_op_rw(d->udev, 0xc2, 0, 0, obuf, msg[0].len + 2, DW210X_WRITE_MSG); break; } @@ -318,13 +316,13 @@ static int dw2102_earda_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg ms obuf[0] = msg[0].addr << 1; obuf[1] = msg[0].len; memcpy(obuf + 2, msg[0].buf, msg[0].len); - ret = dw210x_op_rw(d->udev, 0xc2, 0, 0, + dw210x_op_rw(d->udev, 0xc2, 0, 0, obuf, msg[0].len + 2, DW210X_WRITE_MSG); break; } case(DW2102_RC_QUERY): { u8 ibuf[2]; - ret = dw210x_op_rw(d->udev, 0xb8, 0, 0, + dw210x_op_rw(d->udev, 0xb8, 0, 0, ibuf, 2, DW210X_READ_MSG); memcpy(msg[0].buf, ibuf , 2); break; @@ -333,7 +331,7 @@ static int dw2102_earda_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg ms u8 obuf[2]; obuf[0] = 0x30; obuf[1] = msg[0].buf[0]; - ret = dw210x_op_rw(d->udev, 0xb2, 0, 0, + dw210x_op_rw(d->udev, 0xb2, 0, 0, obuf, 2, DW210X_WRITE_MSG); break; } @@ -349,7 +347,6 @@ static int dw2102_earda_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg ms static int dw2104_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], int num) { struct dvb_usb_device *d = i2c_get_adapdata(adap); - int ret = 0; int len, i, j; if (!d) @@ -361,7 +358,7 @@ static int dw2104_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], i switch (msg[j].addr) { case(DW2102_RC_QUERY): { u8 ibuf[2]; - ret = dw210x_op_rw(d->udev, 0xb8, 0, 0, + dw210x_op_rw(d->udev, 0xb8, 0, 0, ibuf, 2, DW210X_READ_MSG); memcpy(msg[j].buf, ibuf , 2); break; @@ -370,7 +367,7 @@ static int dw2104_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], i u8 obuf[2]; obuf[0] = 0x30; obuf[1] = msg[j].buf[0]; - ret = dw210x_op_rw(d->udev, 0xb2, 0, 0, + dw210x_op_rw(d->udev, 0xb2, 0, 0, obuf, 2, DW210X_WRITE_MSG); break; } @@ -382,7 +379,7 @@ static int dw2104_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], i if (msg[j].flags == I2C_M_RD) { /* read registers */ u8 ibuf[msg[j].len + 2]; - ret = dw210x_op_rw(d->udev, 0xc3, + dw210x_op_rw(d->udev, 0xc3, (msg[j].addr << 1) + 1, 0, ibuf, msg[j].len + 2, DW210X_READ_MSG); @@ -402,7 +399,7 @@ static int dw2104_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], i do { memcpy(obuf + 3, msg[j].buf + i, (len > 16 ? 16 : len)); - ret = dw210x_op_rw(d->udev, 0xc2, 0, 0, + dw210x_op_rw(d->udev, 0xc2, 0, 0, obuf, (len > 16 ? 16 : len) + 3, DW210X_WRITE_MSG); i += 16; @@ -414,7 +411,7 @@ static int dw2104_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], i obuf[0] = msg[j].addr << 1; obuf[1] = msg[j].len; memcpy(obuf + 2, msg[j].buf, msg[j].len); - ret = dw210x_op_rw(d->udev, 0xc2, 0, 0, + dw210x_op_rw(d->udev, 0xc2, 0, 0, obuf, msg[j].len + 2, DW210X_WRITE_MSG); } @@ -432,7 +429,7 @@ static int dw3101_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], int num) { struct dvb_usb_device *d = i2c_get_adapdata(adap); - int ret = 0, i; + int i; if (!d) return -ENODEV; @@ -447,10 +444,10 @@ static int dw3101_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], obuf[0] = msg[0].addr << 1; obuf[1] = msg[0].len; obuf[2] = msg[0].buf[0]; - ret = dw210x_op_rw(d->udev, 0xc2, 0, 0, + dw210x_op_rw(d->udev, 0xc2, 0, 0, obuf, msg[0].len + 2, DW210X_WRITE_MSG); /* second read registers */ - ret = dw210x_op_rw(d->udev, 0xc3, 0x19 , 0, + dw210x_op_rw(d->udev, 0xc3, 0x19 , 0, ibuf, msg[1].len + 2, DW210X_READ_MSG); memcpy(msg[1].buf, ibuf + 2, msg[1].len); @@ -465,13 +462,13 @@ static int dw3101_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], obuf[0] = msg[0].addr << 1; obuf[1] = msg[0].len; memcpy(obuf + 2, msg[0].buf, msg[0].len); - ret = dw210x_op_rw(d->udev, 0xc2, 0, 0, + dw210x_op_rw(d->udev, 0xc2, 0, 0, obuf, msg[0].len + 2, DW210X_WRITE_MSG); break; } case(DW2102_RC_QUERY): { u8 ibuf[2]; - ret = dw210x_op_rw(d->udev, 0xb8, 0, 0, + dw210x_op_rw(d->udev, 0xb8, 0, 0, ibuf, 2, DW210X_READ_MSG); memcpy(msg[0].buf, ibuf , 2); break; @@ -496,7 +493,6 @@ static int s6x0_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], { struct dvb_usb_device *d = i2c_get_adapdata(adap); struct usb_device *udev; - int ret = 0; int len, i, j; if (!d) @@ -509,7 +505,7 @@ static int s6x0_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], switch (msg[j].addr) { case (DW2102_RC_QUERY): { u8 ibuf[5]; - ret = dw210x_op_rw(d->udev, 0xb8, 0, 0, + dw210x_op_rw(d->udev, 0xb8, 0, 0, ibuf, 5, DW210X_READ_MSG); memcpy(msg[j].buf, ibuf + 3, 2); break; @@ -519,11 +515,11 @@ static int s6x0_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], obuf[0] = 1; obuf[1] = msg[j].buf[1];/* off-on */ - ret = dw210x_op_rw(d->udev, 0x8a, 0, 0, + dw210x_op_rw(d->udev, 0x8a, 0, 0, obuf, 2, DW210X_WRITE_MSG); obuf[0] = 3; obuf[1] = msg[j].buf[0];/* 13v-18v */ - ret = dw210x_op_rw(d->udev, 0x8a, 0, 0, + dw210x_op_rw(d->udev, 0x8a, 0, 0, obuf, 2, DW210X_WRITE_MSG); break; } @@ -532,7 +528,7 @@ static int s6x0_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], obuf[0] = 5; obuf[1] = msg[j].buf[0]; - ret = dw210x_op_rw(d->udev, 0x8a, 0, 0, + dw210x_op_rw(d->udev, 0x8a, 0, 0, obuf, 2, DW210X_WRITE_MSG); break; } @@ -545,7 +541,7 @@ static int s6x0_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], if (msg[j].flags == I2C_M_RD) { /* read registers */ u8 ibuf[msg[j].len]; - ret = dw210x_op_rw(d->udev, 0x91, 0, 0, + dw210x_op_rw(d->udev, 0x91, 0, 0, ibuf, msg[j].len, DW210X_READ_MSG); memcpy(msg[j].buf, ibuf, msg[j].len); @@ -563,7 +559,7 @@ static int s6x0_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], do { memcpy(obuf + 3, msg[j].buf + i, (len > 16 ? 16 : len)); - ret = dw210x_op_rw(d->udev, 0x80, 0, 0, + dw210x_op_rw(d->udev, 0x80, 0, 0, obuf, (len > 16 ? 16 : len) + 3, DW210X_WRITE_MSG); i += 16; @@ -575,7 +571,7 @@ static int s6x0_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], obuf[0] = msg[j + 1].len; obuf[1] = (msg[j].addr << 1); memcpy(obuf + 2, msg[j].buf, msg[j].len); - ret = dw210x_op_rw(d->udev, + dw210x_op_rw(d->udev, udev->descriptor.idProduct == 0x7500 ? 0x92 : 0x90, 0, 0, obuf, msg[j].len + 2, @@ -587,7 +583,7 @@ static int s6x0_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], obuf[0] = msg[j].len + 1; obuf[1] = (msg[j].addr << 1); memcpy(obuf + 2, msg[j].buf, msg[j].len); - ret = dw210x_op_rw(d->udev, 0x80, 0, 0, + dw210x_op_rw(d->udev, 0x80, 0, 0, obuf, msg[j].len + 2, DW210X_WRITE_MSG); break; -- 2.39.5