[PATCH v4 5/8] drm/mediatek: hdmi: add v2 support

[CK Hu (胡俊光)]

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Hi, Guillaume:

On Mon, 2023-05-29 at 16:31 +0200, Guillaume Ranquet wrote:
>  	 
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>  Adds hdmi and hdmi-ddc support for v2 IP.
> 
> Signed-off-by: Guillaume Ranquet <granquet at baylibre.com>
> ---
>  

[snip]

> +
> +static unsigned char vddc_read(struct mtk_hdmi_ddc *ddc, unsigned
> int u4_clk_div,
> +       unsigned char uc_dev, unsigned int u4_addr,

Remove the type style in naming,

u4_addr => addr

Regards,
CK

> +       enum sif_bit_t_hdmi uc_addr_type,
> +       unsigned char *puc_value, unsigned int u4_count)
> +{
> +unsigned int u4_read_count = 0;
> +unsigned char uc_return_value = 0;
> +
> +if (!puc_value || !u4_count || !u4_clk_div ||
> +    uc_addr_type > SIF_16_BIT_HDMI ||
> +    (uc_addr_type == SIF_8_BIT_HDMI && u4_addr > 255) ||
> +    (uc_addr_type == SIF_16_BIT_HDMI && u4_addr > 65535)) {
> +return 0;
> +}
> +
> +if (uc_addr_type == SIF_8_BIT_HDMI)
> +u4_read_count = 255 - u4_addr + 1;
> +else if (uc_addr_type == SIF_16_BIT_HDMI)
> +u4_read_count = 65535 - u4_addr + 1;
> +
> +u4_read_count = (u4_read_count > u4_count) ? u4_count :
> u4_read_count;
> +uc_return_value = ddcm_read_hdmi(ddc, u4_clk_div, uc_dev, u4_addr,
> + uc_addr_type, puc_value, u4_read_count);
> +return uc_return_value;
> +}
> +
>