diff options
Diffstat (limited to 'drivers/media/v4l2-core')
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-dv-timings.c | 4 | ||||
| -rw-r--r-- | drivers/media/v4l2-core/videobuf2-core.c | 24 |
2 files changed, 26 insertions, 2 deletions
diff --git a/drivers/media/v4l2-core/v4l2-dv-timings.c b/drivers/media/v4l2-core/v4l2-dv-timings.c index 4ae54caadd0..ce1c9f5d9de 100644 --- a/drivers/media/v4l2-core/v4l2-dv-timings.c +++ b/drivers/media/v4l2-core/v4l2-dv-timings.c @@ -610,10 +610,10 @@ struct v4l2_fract v4l2_calc_aspect_ratio(u8 hor_landscape, u8 vert_portrait) aspect.denominator = 9; } else if (ratio == 34) { aspect.numerator = 4; - aspect.numerator = 3; + aspect.denominator = 3; } else if (ratio == 68) { aspect.numerator = 15; - aspect.numerator = 9; + aspect.denominator = 9; } else { aspect.numerator = hor_landscape + 99; aspect.denominator = 100; diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c index 349e659d75f..7c4489c4236 100644 --- a/drivers/media/v4l2-core/videobuf2-core.c +++ b/drivers/media/v4l2-core/videobuf2-core.c @@ -1200,6 +1200,30 @@ void vb2_buffer_done(struct vb2_buffer *vb, enum vb2_buffer_state state) EXPORT_SYMBOL_GPL(vb2_buffer_done); /** + * vb2_discard_done() - discard all buffers marked as DONE + * @q: videobuf2 queue + * + * This function is intended to be used with suspend/resume operations. It + * discards all 'done' buffers as they would be too old to be requested after + * resume. + * + * Drivers must stop the hardware and synchronize with interrupt handlers and/or + * delayed works before calling this function to make sure no buffer will be + * touched by the driver and/or hardware. + */ +void vb2_discard_done(struct vb2_queue *q) +{ + struct vb2_buffer *vb; + unsigned long flags; + + spin_lock_irqsave(&q->done_lock, flags); + list_for_each_entry(vb, &q->done_list, done_entry) + vb->state = VB2_BUF_STATE_ERROR; + spin_unlock_irqrestore(&q->done_lock, flags); +} +EXPORT_SYMBOL_GPL(vb2_discard_done); + +/** * __fill_vb2_buffer() - fill a vb2_buffer with information provided in a * v4l2_buffer by the userspace. The caller has already verified that struct * v4l2_buffer has a valid number of planes. |