diff options
Diffstat (limited to 'drivers/media/usb/cx231xx/cx231xx-pcb-cfg.c')
| -rw-r--r-- | drivers/media/usb/cx231xx/cx231xx-pcb-cfg.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/media/usb/cx231xx/cx231xx-pcb-cfg.c b/drivers/media/usb/cx231xx/cx231xx-pcb-cfg.c index 2a34ceee4802..3052c4c20229 100644 --- a/drivers/media/usb/cx231xx/cx231xx-pcb-cfg.c +++ b/drivers/media/usb/cx231xx/cx231xx-pcb-cfg.c @@ -654,8 +654,9 @@ static struct pcb_config cx231xx_Scenario[] = { /*****************************************************************/ -u32 initialize_cx231xx(struct cx231xx *dev) +int initialize_cx231xx(struct cx231xx *dev) { + int retval; u32 config_info = 0; struct pcb_config *p_pcb_info; u8 usb_speed = 1; /* from register,1--HS, 0--FS */ @@ -670,7 +671,10 @@ u32 initialize_cx231xx(struct cx231xx *dev) /* read board config register to find out which pcb config it is related to */ - cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, BOARD_CFG_STAT, data, 4); + retval = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, BOARD_CFG_STAT, + data, 4); + if (retval < 0) + return retval; config_info = le32_to_cpu(*((__le32 *)data)); usb_speed = (u8) (config_info & 0x1); @@ -767,7 +771,7 @@ u32 initialize_cx231xx(struct cx231xx *dev) cx231xx_info("bad senario!!!!!\n"); cx231xx_info("config_info=%x\n", (config_info & SELFPOWER_MASK)); - return 1; + return -ENODEV; } } |