diff options
| -rw-r--r-- | drivers/media/usb/stkwebcam/stk-webcam.c | 56 |
1 files changed, 46 insertions, 10 deletions
diff --git a/drivers/media/usb/stkwebcam/stk-webcam.c b/drivers/media/usb/stkwebcam/stk-webcam.c index 52296f7ec966..4cbab085e348 100644 --- a/drivers/media/usb/stkwebcam/stk-webcam.c +++ b/drivers/media/usb/stkwebcam/stk-webcam.c @@ -28,6 +28,7 @@ #include <linux/errno.h> #include <linux/slab.h> +#include <linux/dmi.h> #include <linux/usb.h> #include <linux/mm.h> #include <linux/vmalloc.h> @@ -38,12 +39,12 @@ #include "stk-webcam.h" -static bool hflip; -module_param(hflip, bool, 0444); +static int hflip = -1; +module_param(hflip, int, 0444); MODULE_PARM_DESC(hflip, "Horizontal image flip (mirror). Defaults to 0"); -static bool vflip; -module_param(vflip, bool, 0444); +static int vflip = -1; +module_param(vflip, int, 0444); MODULE_PARM_DESC(vflip, "Vertical image flip. Defaults to 0"); static int debug; @@ -62,6 +63,19 @@ static struct usb_device_id stkwebcam_table[] = { }; MODULE_DEVICE_TABLE(usb, stkwebcam_table); +/* The stk webcam laptop module is mounted upside down in some laptops :( */ +static const struct dmi_system_id stk_upside_down_dmi_table[] = { + { + .ident = "ASUS G1", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "G1") + } + }, + {} +}; + + /* * Basic stuff */ @@ -817,10 +831,16 @@ static int stk_vidioc_g_ctrl(struct file *filp, c->value = dev->vsettings.brightness; break; case V4L2_CID_HFLIP: - c->value = dev->vsettings.hflip; + if (dmi_check_system(stk_upside_down_dmi_table)) + c->value = !dev->vsettings.hflip; + else + c->value = dev->vsettings.hflip; break; case V4L2_CID_VFLIP: - c->value = dev->vsettings.vflip; + if (dmi_check_system(stk_upside_down_dmi_table)) + c->value = !dev->vsettings.vflip; + else + c->value = dev->vsettings.vflip; break; default: return -EINVAL; @@ -837,10 +857,16 @@ static int stk_vidioc_s_ctrl(struct file *filp, dev->vsettings.brightness = c->value; return stk_sensor_set_brightness(dev, c->value >> 8); case V4L2_CID_HFLIP: - dev->vsettings.hflip = c->value; + if (dmi_check_system(stk_upside_down_dmi_table)) + dev->vsettings.hflip = !c->value; + else + dev->vsettings.hflip = c->value; return 0; case V4L2_CID_VFLIP: - dev->vsettings.vflip = c->value; + if (dmi_check_system(stk_upside_down_dmi_table)) + dev->vsettings.vflip = !c->value; + else + dev->vsettings.vflip = c->value; return 0; default: return -EINVAL; @@ -1276,8 +1302,18 @@ static int stk_camera_probe(struct usb_interface *interface, dev->interface = interface; usb_get_intf(interface); - dev->vsettings.vflip = vflip; - dev->vsettings.hflip = hflip; + if (hflip != -1) + dev->vsettings.hflip = hflip; + else if (dmi_check_system(stk_upside_down_dmi_table)) + dev->vsettings.hflip = 1; + else + dev->vsettings.hflip = 0; + if (vflip != -1) + dev->vsettings.vflip = vflip; + else if (dmi_check_system(stk_upside_down_dmi_table)) + dev->vsettings.vflip = 1; + else + dev->vsettings.vflip = 0; dev->n_sbufs = 0; set_present(dev); |