aboutsummaryrefslogtreecommitdiff
path: root/drivers/media/common/saa7146_i2c.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@woody.osdl.org>2006-12-10 09:59:18 -0800
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-10 09:59:18 -0800
commitbb7320d1d96dc2e479180ae8e7a112caf0726ace (patch)
tree65a81fefd82d188f5496b70439db73ca911b3f76 /drivers/media/common/saa7146_i2c.c
parent6aa8b732ca01c3d7a54e93f4d701b8aabbe60fb7 (diff)
parent1de1bf06330920802d3b7646a088965bdd918356 (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/mchehab/v4l-dvb
* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/mchehab/v4l-dvb: (132 commits) V4L/DVB 4949b: Fix container_of pointer retreival V4L/DVB (4949a): Fix INIT_WORK V4L/DVB (4949): Cxusb: codingstyle cleanups V4L/DVB (4948): Cxusb: Convert tuner functions to use dvb_pll_attach V4L/DVB (4947): Cx88: trivial cleanups V4L/DVB (4946): Cx88: Move cx88_dvb_bus_ctrl out of the card-specific area V4L/DVB (4945): Cx88: consolidate cx22702_config structs V4L/DVB (4944): Cx88: Convert DViCO FusionHDTV Hybrid to use dvb_pll_attach V4L/DVB (4943): Cx88: cleanup dvb_pll_attach for lgdt3302 tuners V4L/DVB (4953): Usbvision minor fixes V4L/DVB (4951): Add version.h, since it is required for VIDIOC_QUERYCAP V4L/DVB (4940): Or51211: Changed SNR and signal strength calculations V4L/DVB (4939): Or51132: Changed SNR and signal strength reporting V4L/DVB (4938): Cx88: Convert lgdt3302 tuning function to use dvb_pll_attach V4L/DVB (4941): Remove LINUX_VERSION_CODE and fix identations V4L/DVB (4942): Whitespace cleanups V4L/DVB (4937): Usbvision cleanup and code reorganization V4L/DVB (4936): Make MT4049FM5 tuner to set FM Gain to Normal V4L/DVB (4935): Added the capability of selecting fm gain by tuner V4L/DVB (4934): Usbvision radio requires GainNormal at e register ...
Diffstat (limited to 'drivers/media/common/saa7146_i2c.c')
-rw-r--r--drivers/media/common/saa7146_i2c.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/media/common/saa7146_i2c.c b/drivers/media/common/saa7146_i2c.c
index 5297a365c92..8c85efc2652 100644
--- a/drivers/media/common/saa7146_i2c.c
+++ b/drivers/media/common/saa7146_i2c.c
@@ -189,13 +189,21 @@ static int saa7146_i2c_writeout(struct saa7146_dev *dev, u32* dword, int short_d
saa7146_write(dev, I2C_TRANSFER, *dword);
dev->i2c_op = 1;
+ SAA7146_ISR_CLEAR(dev, MASK_16|MASK_17);
SAA7146_IER_ENABLE(dev, MASK_16|MASK_17);
saa7146_write(dev, MC2, (MASK_00 | MASK_16));
- wait_event_interruptible(dev->i2c_wq, dev->i2c_op == 0);
- if (signal_pending (current)) {
- /* a signal arrived */
- return -ERESTARTSYS;
+ timeout = HZ/100 + 1; /* 10ms */
+ timeout = wait_event_interruptible_timeout(dev->i2c_wq, dev->i2c_op == 0, timeout);
+ if (timeout == -ERESTARTSYS || dev->i2c_op) {
+ SAA7146_IER_DISABLE(dev, MASK_16|MASK_17);
+ SAA7146_ISR_CLEAR(dev, MASK_16|MASK_17);
+ if (timeout == -ERESTARTSYS)
+ /* a signal arrived */
+ return -ERESTARTSYS;
+
+ printk(KERN_WARNING "saa7146_i2c_writeout: timed out waiting for end of xfer\n");
+ return -EIO;
}
status = saa7146_read(dev, I2C_STATUS);
} else {