Am Dienstag, den 19.07.2016, 18:10 -0700 schrieb Steve Longerbeam:
> Adds the Video Deinterlacer (VDIC) unit.
>
> Signed-off-by: Steve Longerbeam <steve_longerbeam@xxxxxxxxxx>
[...]
> +++ b/drivers/gpu/ipu-v3/ipu-vdi.c
[...]
> +static void __ipu_vdi_set_top_field_man(struct ipu_vdi *vdi, bool top_field_0)
> +{
> + u32 reg;
> +
> + reg = ipu_vdi_read(vdi, VDI_C);
> + if (top_field_0)
> + reg &= ~VDI_C_TOP_FIELD_MAN_1;
> + else
> + reg |= VDI_C_TOP_FIELD_MAN_1;
> + ipu_vdi_write(vdi, reg, VDI_C);
> +}
[...]
> +void ipu_vdi_toggle_top_field_man(struct ipu_vdi *vdi)
> +{
> + unsigned long flags;
> + u32 reg;
> + u32 mask_reg;
> +
> + spin_lock_irqsave(&vdi->lock, flags);
> +
> + reg = ipu_vdi_read(vdi, VDI_C);
> + mask_reg = reg & VDI_C_TOP_FIELD_MAN_1;
> + if (mask_reg == VDI_C_TOP_FIELD_MAN_1)
> + reg &= ~VDI_C_TOP_FIELD_MAN_1;
> + else
> + reg |= VDI_C_TOP_FIELD_MAN_1;
> +
> + ipu_vdi_write(vdi, reg, VDI_C);
> +
> + spin_unlock_irqrestore(&vdi->lock, flags);
> +}
> +EXPORT_SYMBOL_GPL(ipu_vdi_toggle_top_field_man);
Why not export set top field man? Does it make sense to keep the user of
this API in the dark about the current setting?
regards
Philipp
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