From 77e97ba2da47fe75bb9a835bb43a29e046c60f99 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Sat, 1 Nov 2014 10:06:12 -0300 Subject: [media] cx231xx: disable I2C errors during i2c_scan Otherwise, it would produce lots of useless messages like: cx231xx: cx231xx_send_usb_command: failed with status --32 After this patch, I2C scan will produce an useful report: [ 9494.050807] cx231xx: i2c_scan: checking for I2C devices on port=0 .. [ 9494.074928] cx231xx: i2c scan: Completed Checking for I2C devices on port=0. [ 9494.074936] cx231xx: i2c_scan: checking for I2C devices on port=3 .. [ 9494.098934] cx231xx: i2c scan: Completed Checking for I2C devices on port=3. [ 9494.098942] cx231xx: i2c_scan: checking for I2C devices on port=2 .. [ 9494.118440] cx231xx: i2c scan: Completed Checking for I2C devices on port=2. [ 9494.118448] cx231xx: i2c_scan: checking for I2C devices on port=4 .. [ 9494.141889] cx231xx: i2c scan: Completed Checking for I2C devices on port=4. [ 9494.060182] cx231xx: i2c scan: found device @ 0x40 [???] [ 9494.062953] cx231xx: i2c scan: found device @ 0x60 [colibri] [ 9494.066071] cx231xx: i2c scan: found device @ 0x88 [hammerhead] [ 9494.067383] cx231xx: i2c scan: found device @ 0x98 [???] [ 9494.090113] cx231xx: i2c scan: found device @ 0xa0 [eeprom] [ 9494.106463] cx231xx: i2c scan: found device @ 0x60 [colibri] [ 9494.113762] cx231xx: i2c scan: found device @ 0xc0 [tuner] [ 9494.121882] cx231xx: i2c scan: found device @ 0x20 [???] Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Mauro Carvalho Chehab --- drivers/media/usb/cx231xx/cx231xx.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/media/usb/cx231xx/cx231xx.h') diff --git a/drivers/media/usb/cx231xx/cx231xx.h b/drivers/media/usb/cx231xx/cx231xx.h index aeee721a8eef..253f2437c0f1 100644 --- a/drivers/media/usb/cx231xx/cx231xx.h +++ b/drivers/media/usb/cx231xx/cx231xx.h @@ -610,6 +610,8 @@ struct cx231xx { unsigned int has_audio_class:1; unsigned int has_alsa_audio:1; + unsigned int i2c_scan_running:1; /* true only during i2c_scan */ + struct cx231xx_fmt *format; struct v4l2_device v4l2_dev; -- cgit v1.2.3-59-g8ed1b