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| author | Markus Rechberger <mrechberger@gmail.com> | 2006-02-03 02:12:18 +0100 |
|---|---|---|
| committer | Markus Rechberger <mrechberger@gmail.com> | 2006-02-03 02:12:18 +0100 |
| commit | 625ec5cda0bfcfc8f97536babde1f9e22c19040d (patch) | |
| tree | e6d5f5147735f032aa8e5526cf2743a6668fc8ea /linux/drivers | |
| parent | 7cbe2e0b6fbc2ac4f43de5c5ba7dfacf5cd54c52 (diff) | |
| download | mediapointer-dvb-s2-625ec5cda0bfcfc8f97536babde1f9e22c19040d.tar.gz mediapointer-dvb-s2-625ec5cda0bfcfc8f97536babde1f9e22c19040d.tar.bz2 | |
fixed i2c return value, conversion mdelay to msleep
From: Markus Rechberger <mrechberger@gmail.com>
fixed i2c return value, conversion mdelay to msleep
Signed-off-by: Markus Rechberger <mrechberger@gmail.com>
Diffstat (limited to 'linux/drivers')
| -rw-r--r-- | linux/drivers/media/video/em28xx/em28xx-core.c | 15 | ||||
| -rw-r--r-- | linux/drivers/media/video/em28xx/em28xx-i2c.c | 8 |
2 files changed, 17 insertions, 6 deletions
diff --git a/linux/drivers/media/video/em28xx/em28xx-core.c b/linux/drivers/media/video/em28xx/em28xx-core.c index b78449f2a..febf1188e 100644 --- a/linux/drivers/media/video/em28xx/em28xx-core.c +++ b/linux/drivers/media/video/em28xx/em28xx-core.c @@ -189,6 +189,9 @@ int em28xx_read_reg_req_len(struct em28xx *dev, u8 req, u16 reg, { int ret, byte; + if (dev->state & DEV_DISCONNECTED) + return(-ENODEV); + em28xx_regdbg("req=%02x, reg=%02x ", req, reg); ret = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0), req, @@ -215,6 +218,9 @@ int em28xx_read_reg_req(struct em28xx *dev, u8 req, u16 reg) u8 val; int ret; + if (dev->state & DEV_DISCONNECTED) + return(-ENODEV); + em28xx_regdbg("req=%02x, reg=%02x:", req, reg); ret = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0), req, @@ -245,7 +251,12 @@ int em28xx_write_regs_req(struct em28xx *dev, u8 req, u16 reg, char *buf, int ret; /*usb_control_msg seems to expect a kmalloced buffer */ - unsigned char *bufs = kmalloc(len, GFP_KERNEL); + unsigned char *bufs; + + if (dev->state & DEV_DISCONNECTED) + return(-ENODEV); + + bufs = kmalloc(len, GFP_KERNEL); em28xx_regdbg("req=%02x reg=%02x:", req, reg); @@ -262,7 +273,7 @@ int em28xx_write_regs_req(struct em28xx *dev, u8 req, u16 reg, char *buf, ret = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0), req, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 0x0000, reg, bufs, len, HZ); - mdelay(5); /* FIXME: magic number */ + msleep(5); /* FIXME: magic number */ kfree(bufs); return ret; } diff --git a/linux/drivers/media/video/em28xx/em28xx-i2c.c b/linux/drivers/media/video/em28xx/em28xx-i2c.c index 59b13ff37..b531f2839 100644 --- a/linux/drivers/media/video/em28xx/em28xx-i2c.c +++ b/linux/drivers/media/video/em28xx/em28xx-i2c.c @@ -78,7 +78,7 @@ static int em2800_i2c_send_max4(struct em28xx *dev, unsigned char addr, ret = dev->em28xx_read_reg(dev, 0x05); if (ret == 0x80 + len - 1) return len; - mdelay(5); + msleep(5); } em28xx_warn("i2c write timed out\n"); return -EIO; @@ -138,7 +138,7 @@ static int em2800_i2c_check_for_device(struct em28xx *dev, unsigned char addr) return -ENODEV; else if (msg == 0x84) return 0; - mdelay(5); + msleep(5); } return -ENODEV; } @@ -278,9 +278,9 @@ static int em28xx_i2c_xfer(struct i2c_adapter *i2c_adap, msgs[i].buf, msgs[i].len, i == num - 1); - if (rc < 0) - goto err; } + if (rc < 0) + goto err; if (i2c_debug>=2) printk("\n"); } |