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 -- To unsubscribe from this list: send the line "unsubscribe linux-fbdev" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html