C++ (Cpp) fimc_ctx_state_is_setの例

コード例 #1

ファイル: fimc-m2m.c プロジェクト: ARMWorks/FA_2451_Linux_Kernel

static int fimc_m2m_streamon(struct file *file, void *fh,
			     enum v4l2_buf_type type)
{
	struct fimc_ctx *ctx = fh_to_ctx(fh);

	/* The source and target color format need to be set */
	if (V4L2_TYPE_IS_OUTPUT(type)) {
		if (!fimc_ctx_state_is_set(FIMC_SRC_FMT, ctx))
			return -EINVAL;
	} else if (!fimc_ctx_state_is_set(FIMC_DST_FMT, ctx)) {
		return -EINVAL;
	}

	return v4l2_m2m_streamon(file, ctx->m2m_ctx, type);
}

コード例 #2

ファイル: fimc-m2m.c プロジェクト: Lyude/linux

/* Complete the transaction which has been scheduled for execution. */
static void fimc_m2m_shutdown(struct fimc_ctx *ctx)
{
	struct fimc_dev *fimc = ctx->fimc_dev;

	if (!fimc_m2m_pending(fimc))
		return;

	fimc_ctx_state_set(FIMC_CTX_SHUT, ctx);

	wait_event_timeout(fimc->irq_queue,
			!fimc_ctx_state_is_set(FIMC_CTX_SHUT, ctx),
			FIMC_SHUTDOWN_TIMEOUT);
}

コード例 #3

ファイル: fimc-m2m.c プロジェクト: Niisp/MT6795.kernel

/* Complete the transaction which has been scheduled for execution. */
static int fimc_m2m_shutdown(struct fimc_ctx *ctx)
{
    struct fimc_dev *fimc = ctx->fimc_dev;
    int ret;

    if (!fimc_m2m_pending(fimc))
        return 0;

    fimc_ctx_state_set(FIMC_CTX_SHUT, ctx);

    ret = wait_event_timeout(fimc->irq_queue,
                             !fimc_ctx_state_is_set(FIMC_CTX_SHUT, ctx),
                             FIMC_SHUTDOWN_TIMEOUT);

    return ret == 0 ? -ETIMEDOUT : ret;
}

コード例 #4

ファイル: fimc-m2m.c プロジェクト: embest-amp/cycloneV_evm

static int fimc_m2m_s_crop(struct file *file, void *fh, const struct v4l2_crop *crop)
{
	struct fimc_ctx *ctx = fh_to_ctx(fh);
	struct fimc_dev *fimc = ctx->fimc_dev;
	struct v4l2_crop cr = *crop;
	struct fimc_frame *f;
	int ret;

	ret = fimc_m2m_try_crop(ctx, &cr);
	if (ret)
		return ret;

	f = (cr.type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) ?
		&ctx->s_frame : &ctx->d_frame;

	/* Check to see if scaling ratio is within supported range */
	if (fimc_ctx_state_is_set(FIMC_DST_FMT | FIMC_SRC_FMT, ctx)) {
		if (cr.type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
			ret = fimc_check_scaler_ratio(ctx, cr.c.width,
					cr.c.height, ctx->d_frame.width,
					ctx->d_frame.height, ctx->rotation);
		} else {
			ret = fimc_check_scaler_ratio(ctx, ctx->s_frame.width,
					ctx->s_frame.height, cr.c.width,
					cr.c.height, ctx->rotation);
		}
		if (ret) {
			v4l2_err(&fimc->m2m.vfd, "Out of scaler range\n");
			return -EINVAL;
		}
	}

	f->offs_h = cr.c.left;
	f->offs_v = cr.c.top;
	f->width  = cr.c.width;
	f->height = cr.c.height;

	fimc_ctx_state_set(FIMC_PARAMS, ctx);

	return 0;
}

コード例 #5

ファイル: fimc-core.c プロジェクト: 1DeMaCr/android_hd_kernel_samsung_codina

/* Complete the transaction which has been scheduled for execution. */
static void fimc_m2m_shutdown(struct fimc_ctx *ctx)
{
	struct fimc_dev *fimc = ctx->fimc_dev;
	int ret;

	if (!fimc_m2m_pending(fimc))
		return;

	fimc_ctx_state_lock_set(FIMC_CTX_SHUT, ctx);

	ret = wait_event_timeout(fimc->irq_queue,
			   !fimc_ctx_state_is_set(FIMC_CTX_SHUT, ctx),
			   FIMC_SHUTDOWN_TIMEOUT);
	/*
	 * In case of a timeout the buffers are not released in the interrupt
	 * handler so return them here with the error flag set, if there are
	 * any on the queue.
	 */
	if (ret == 0)
		fimc_m2m_job_finish(ctx, VB2_BUF_STATE_ERROR);
}