diff options
author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-08-20 22:48:24 -0700 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-08-20 22:48:24 -0700 |
commit | 09d4b9aa90ab7a0ce7c266d2ea18153bf79bba33 (patch) | |
tree | 3cb012538b28eca465226f9164b0a4ebe281afa4 /drivers | |
parent | b5748643332bf75274e0b639926d57e86fb133cf (diff) | |
parent | 70cd685d4b161c9137020ba7ec551cb343cd6fbf (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb
* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb:
V4L/DVB (6028): Turn an unnecessary mdelay() into msleep().
V4L/DVB (6027): Get rid of an ill-behaved msleep in i2c write
V4L/DVB (6026): Avoid powering up the camera on resume
V4L/DVB (6016): get_dvb_firmware: update script for new location of tda10046 firmware
V4L/DVB (5991): dvb-pll: Set minimum and maximum frequency properly
V4L/DVB (5969): ivtv: report ivtv version in status log
V4L/DVB (5967): ivtv: fix VIDIOC_S_FBUF:new OSD values where never set
V4L/DVB (5968): videodev2.h: remove superfluous FBUF GLOBAL_INV_ALPHA support
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/media/dvb/frontends/dvb-pll.c | 2 | ||||
-rw-r--r-- | drivers/media/video/cafe_ccic.c | 35 | ||||
-rw-r--r-- | drivers/media/video/ivtv/ivtv-ioctl.c | 3 | ||||
-rw-r--r-- | drivers/media/video/ov7670.c | 5 |
4 files changed, 39 insertions, 6 deletions
diff --git a/drivers/media/dvb/frontends/dvb-pll.c b/drivers/media/dvb/frontends/dvb-pll.c index ca99e439c97..11f7d5939bd 100644 --- a/drivers/media/dvb/frontends/dvb-pll.c +++ b/drivers/media/dvb/frontends/dvb-pll.c @@ -784,7 +784,7 @@ struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe, int pll_addr, strncpy(fe->ops.tuner_ops.info.name, desc->name, sizeof(fe->ops.tuner_ops.info.name)); fe->ops.tuner_ops.info.frequency_min = desc->min; - fe->ops.tuner_ops.info.frequency_min = desc->max; + fe->ops.tuner_ops.info.frequency_max = desc->max; if (!desc->initdata) fe->ops.tuner_ops.init = NULL; if (!desc->sleepdata) diff --git a/drivers/media/video/cafe_ccic.c b/drivers/media/video/cafe_ccic.c index c08f650df42..ef5361824f8 100644 --- a/drivers/media/video/cafe_ccic.c +++ b/drivers/media/video/cafe_ccic.c @@ -356,6 +356,7 @@ static int cafe_smbus_write_data(struct cafe_camera *cam, { unsigned int rval; unsigned long flags; + DEFINE_WAIT(the_wait); spin_lock_irqsave(&cam->dev_lock, flags); rval = TWSIC0_EN | ((addr << TWSIC0_SID_SHIFT) & TWSIC0_SID); @@ -369,10 +370,29 @@ static int cafe_smbus_write_data(struct cafe_camera *cam, rval = value | ((command << TWSIC1_ADDR_SHIFT) & TWSIC1_ADDR); cafe_reg_write(cam, REG_TWSIC1, rval); spin_unlock_irqrestore(&cam->dev_lock, flags); - msleep(2); /* Required or things flake */ + /* + * Time to wait for the write to complete. THIS IS A RACY + * WAY TO DO IT, but the sad fact is that reading the TWSIC1 + * register too quickly after starting the operation sends + * the device into a place that may be kinder and better, but + * which is absolutely useless for controlling the sensor. In + * practice we have plenty of time to get into our sleep state + * before the interrupt hits, and the worst case is that we + * time out and then see that things completed, so this seems + * the best way for now. + */ + do { + prepare_to_wait(&cam->smbus_wait, &the_wait, + TASK_UNINTERRUPTIBLE); + schedule_timeout(1); /* even 1 jiffy is too long */ + finish_wait(&cam->smbus_wait, &the_wait); + } while (!cafe_smbus_write_done(cam)); + +#ifdef IF_THE_CAFE_HARDWARE_WORKED_RIGHT wait_event_timeout(cam->smbus_wait, cafe_smbus_write_done(cam), CAFE_SMBUS_TIMEOUT); +#endif spin_lock_irqsave(&cam->dev_lock, flags); rval = cafe_reg_read(cam, REG_TWSIC1); spin_unlock_irqrestore(&cam->dev_lock, flags); @@ -710,7 +730,7 @@ static void cafe_ctlr_init(struct cafe_camera *cam) * Here we must wait a bit for the controller to come around. */ spin_unlock_irqrestore(&cam->dev_lock, flags); - mdelay(5); /* FIXME revisit this */ + msleep(5); spin_lock_irqsave(&cam->dev_lock, flags); cafe_reg_write(cam, REG_GL_CSR, GCSR_CCIC_EN|GCSR_SRC|GCSR_MRC); @@ -2233,12 +2253,21 @@ static int cafe_pci_resume(struct pci_dev *pdev) if (ret) return ret; ret = pci_enable_device(pdev); + if (ret) { cam_warn(cam, "Unable to re-enable device on resume!\n"); return ret; } cafe_ctlr_init(cam); - cafe_ctlr_power_up(cam); + cafe_ctlr_power_down(cam); + + mutex_lock(&cam->s_mutex); + if (cam->users > 0) { + cafe_ctlr_power_up(cam); + __cafe_cam_reset(cam); + } + mutex_unlock(&cam->s_mutex); + set_bit(CF_CONFIG_NEEDED, &cam->flags); if (cam->state == S_SPECREAD) cam->state = S_IDLE; /* Don't bother restarting */ diff --git a/drivers/media/video/ivtv/ivtv-ioctl.c b/drivers/media/video/ivtv/ivtv-ioctl.c index 047624b9e27..5977a79619c 100644 --- a/drivers/media/video/ivtv/ivtv-ioctl.c +++ b/drivers/media/video/ivtv/ivtv-ioctl.c @@ -1190,6 +1190,7 @@ int ivtv_v4l2_ioctls(struct ivtv *itv, struct file *filp, unsigned int cmd, void itv->osd_global_alpha_state = (fb->flags & V4L2_FBUF_FLAG_GLOBAL_ALPHA) != 0; itv->osd_local_alpha_state = (fb->flags & V4L2_FBUF_FLAG_LOCAL_ALPHA) != 0; itv->osd_color_key_state = (fb->flags & V4L2_FBUF_FLAG_CHROMAKEY) != 0; + ivtv_set_osd_alpha(itv); break; } @@ -1234,7 +1235,7 @@ int ivtv_v4l2_ioctls(struct ivtv *itv, struct file *filp, unsigned int cmd, void IVTV_INFO("Tuner: %s\n", test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags) ? "Radio" : "TV"); cx2341x_log_status(&itv->params, itv->name); - IVTV_INFO("Status flags: 0x%08lx\n", itv->i_flags); + IVTV_INFO("Version: %s Status flags: 0x%08lx\n", IVTV_VERSION, itv->i_flags); for (i = 0; i < IVTV_MAX_STREAMS; i++) { struct ivtv_stream *s = &itv->streams[i]; diff --git a/drivers/media/video/ov7670.c b/drivers/media/video/ov7670.c index f8f21ddd984..c4c5bd67f79 100644 --- a/drivers/media/video/ov7670.c +++ b/drivers/media/video/ov7670.c @@ -416,7 +416,10 @@ static int ov7670_read(struct i2c_client *c, unsigned char reg, static int ov7670_write(struct i2c_client *c, unsigned char reg, unsigned char value) { - return i2c_smbus_write_byte_data(c, reg, value); + int ret = i2c_smbus_write_byte_data(c, reg, value); + if (reg == REG_COM7 && (value & COM7_RESET)) + msleep(2); /* Wait for reset to run */ + return ret; } |