diff options
Diffstat (limited to 'drivers/media/i2c/adv748x')
| -rw-r--r-- | drivers/media/i2c/adv748x/adv748x-hdmi.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/media/i2c/adv748x/adv748x-hdmi.c b/drivers/media/i2c/adv748x/adv748x-hdmi.c index 47688d1b6833..400d71c2745c 100644 --- a/drivers/media/i2c/adv748x/adv748x-hdmi.c +++ b/drivers/media/i2c/adv748x/adv748x-hdmi.c @@ -283,6 +283,16 @@ static int adv748x_hdmi_query_dv_timings(struct v4l2_subdev *sd, memset(timings, 0, sizeof(struct v4l2_dv_timings)); + /* + * If the pattern generator is enabled the device shall not be queried + * for timings. Instead the timings programmed shall be reported as they + * are the ones being used to generate the pattern. + */ + if (cp_read(state, ADV748X_CP_PAT_GEN) & ADV748X_CP_PAT_GEN_EN) { + *timings = hdmi->timings; + return 0; + } + if (!adv748x_hdmi_has_signal(state)) return -ENOLINK; |