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mfd:rk616:scaler:disable it before cfg finish

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This commit is contained in:
yxj
2013-05-27 18:17:46 +08:00
parent e556297119
commit c9cf7b3e7f
1 changed files with 9 additions and 4 deletions
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13
drivers/mfd/rk616-vif.c
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@@ -237,8 +237,10 @@ static int rk616_scaler_disable(struct mfd_rk616 *rk616)
val &= (~SCL_EN); //disable scaler
val |= (SCL_EN<<16);
ret = rk616->write_dev(rk616,SCL_REG0,&val);
dev_info(rk616->dev,"rk616 scaler disable\n");
return 0;
}
int rk616_scaler_cfg(struct mfd_rk616 *rk616,rk_screen *screen)
{
u32 scl_hor_mode,scl_ver_mode;
@@ -294,6 +296,8 @@ int rk616_scaler_cfg(struct mfd_rk616 *rk616,rk_screen *screen)
pll_id = 0;
else
pll_id = 1;
rk616_scaler_disable(rk616);
rk616_pll_set_rate(rk616,pll_id,dst->pll_cfg_val,dst->frac);
dst_frame_vst = dst->scl_vst;
dst_frame_hst = dst->scl_hst;
@@ -402,9 +406,7 @@ int rk616_scaler_cfg(struct mfd_rk616 *rk616,rk_screen *screen)
scl_reg7_value = dsp_hbor_end<<16 | dsp_hbor_st ;
//vbor register8
scl_reg8_value = dsp_vbor_end<<16 | dsp_vbor_st ;
rk616->write_dev(rk616,SCL_REG0,&scl_reg0_value);
rk616->write_dev(rk616,SCL_REG1,&scl_reg1_value);
rk616->write_dev(rk616,SCL_REG2,&scl_reg2_value);
rk616->write_dev(rk616,SCL_REG3,&scl_reg3_value);
@@ -412,7 +414,10 @@ int rk616_scaler_cfg(struct mfd_rk616 *rk616,rk_screen *screen)
rk616->write_dev(rk616,SCL_REG5,&scl_reg5_value);
rk616->write_dev(rk616,SCL_REG6,&scl_reg6_value);
rk616->write_dev(rk616,SCL_REG7,&scl_reg7_value);
rk616->write_dev(rk616,SCL_REG8,&scl_reg8_value);
rk616->write_dev(rk616,SCL_REG8,&scl_reg8_value);
rk616->write_dev(rk616,SCL_REG0,&scl_reg0_value);
dev_info(rk616->dev,"rk616 scaler enable\n");
#endif
return 0;