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From:   Mickael GUENE <mickael.guene@st.com>
To:     Sakari Ailus <sakari.ailus@linux.intel.com>
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        Akinobu Mita <akinobu.mita@gmail.com>,
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Subject: Re: [PATCH v3 2/2] media:st-mipid02: MIPID02 CSI-2 to PARALLEL bridge
 driver
Thread-Topic: [PATCH v3 2/2] media:st-mipid02: MIPID02 CSI-2 to PARALLEL
 bridge driver
Thread-Index: AQHU47s4T23daefrHk6Z36vjlaOK2qYdtyWAgAAzRAA=
Date:   Tue, 26 Mar 2019 14:36:41 +0000
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Sakari,

>> +static int bpp_from_code(__u32 code)
>> +{
>> +	switch (code) {
>> +	case MEDIA_BUS_FMT_SBGGR8_1X8:
>> +	case MEDIA_BUS_FMT_SGBRG8_1X8:
>> +	case MEDIA_BUS_FMT_SGRBG8_1X8:
>> +	case MEDIA_BUS_FMT_SRGGB8_1X8:
>> +		return 8;
>> +	case MEDIA_BUS_FMT_SBGGR10_1X10:
>> +	case MEDIA_BUS_FMT_SGBRG10_1X10:
>> +	case MEDIA_BUS_FMT_SGRBG10_1X10:
>> +	case MEDIA_BUS_FMT_SRGGB10_1X10:
>> +		return 10;
>> +	case MEDIA_BUS_FMT_SBGGR12_1X12:
>> +	case MEDIA_BUS_FMT_SGBRG12_1X12:
>> +	case MEDIA_BUS_FMT_SGRBG12_1X12:
>> +	case MEDIA_BUS_FMT_SRGGB12_1X12:
>> +		return 12;
>> +	case MEDIA_BUS_FMT_UYVY8_2X8:
> 
> This is good for the parallel bus, but on CSI-2 side you should have
> MEDIA_BUS_FMT_UYVY8_1X16 instead. This isn't technically correct for a
> serial bus, but the custom is to use the one sample / pixel formats on the
> serial busses.
> 
 Should MEDIA_BUS_FMT_BGR888_1X24 be something like
MEDIA_BUS_FMT_BGR888_3X8 for parallel output bus ?

Rgs
Mickael