The patch number 9926 was added via Mauro Carvalho Chehab <[email protected]>
to http://linuxtv.org/hg/v4l-dvb master development tree.
Kernel patches in this development tree may be modified to be backward
compatible with older kernels. Compatibility modifications will be
removed before inclusion into the mainstream Kernel
If anyone has any objections, please let us know by sending a message to:
[email protected]
------
From: Mauro Carvalho Chehab <[email protected]>
em28xx: Fix a bug that were putting xc2028/3028 tuner to sleep
The changeset 78aa52a159cf introduced a bug on em28xx: buffer setup should be
awaking xc3028. Instead, since we didn't specify the tuner mode, the device
were going to sleep, due to the lack of tuner mode when asking tuner to handle
VIDIOC_S_FREQUENCY:
xc2028 0-0061: Device is Xceive 3028 version 1.0, firmware version 2.7
xc2028 0-0061: divisor= 00 00 14 d0 (freq=83.250)
xc2028 0-0061: Putting xc2028/3028 into poweroff mode.
xc2028 0-0061: Printing sleep stack trace:
Pid: 10936, comm: mplayer Tainted: P M 2.6.27.8 #1
Call Trace:
[<ffffffffa0b759ea>] xc2028_sleep+0x89/0x1ab [tuner_xc2028]
[<ffffffffa0b48fb9>] tuner_s_frequency+0xf5/0x165 [tuner]
Priority: normal
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
---
linux/drivers/media/video/em28xx/em28xx-video.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff -r 1816d9214f1a -r 7cbc9624e807
linux/drivers/media/video/em28xx/em28xx-video.c
--- a/linux/drivers/media/video/em28xx/em28xx-video.c Sat Dec 20 08:17:10
2008 -0200
+++ b/linux/drivers/media/video/em28xx/em28xx-video.c Sat Dec 20 08:43:34
2008 -0200
@@ -397,9 +397,10 @@ buffer_setup(struct videobuf_queue *vq,
if (*count < EM28XX_MIN_BUF)
*count = EM28XX_MIN_BUF;
- /* Ask tuner to go to analog mode */
+ /* Ask tuner to go to analog or radio mode */
memset(&f, 0, sizeof(f));
f.frequency = dev->ctl_freq;
+ f.type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
em28xx_i2c_call_clients(dev, VIDIOC_S_FREQUENCY, &f);
---
Patch is available at:
http://linuxtv.org/hg/v4l-dvb/rev/7cbc9624e807ca346908f2be2f7de7f052f0cf15
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