Re: [PATCH v3 1/3] cec-follower: fix bugs for tuner emulation

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Hi Jiunn,

On 9/30/19 6:30 AM, Jiunn Chang wrote:
> Fix some typos for tuner emulation:
>   - analog_tuner_init() store ana_freq in hex
>   - analog_get_nearest_freq() temp variable check

The patch is fine, but this commit log is wrong.

"store ana_freq in hex" is meaningless. What you mean is "store ana_freq as multiples of 62.5 kHz"
and the second line gives the wrong function name and doesn't really explain the issue.

Regards,

	Hans

> 
> Signed-off-by: Jiunn Chang <c0d1n61at3@xxxxxxxxx>
> ---
>  utils/cec-follower/cec-tuner.cpp | 8 +++++---
>  1 file changed, 5 insertions(+), 3 deletions(-)
> 
> diff --git a/utils/cec-follower/cec-tuner.cpp b/utils/cec-follower/cec-tuner.cpp
> index acc3fd00..2f6e3425 100644
> --- a/utils/cec-follower/cec-tuner.cpp
> +++ b/utils/cec-follower/cec-tuner.cpp
> @@ -92,13 +92,15 @@ static unsigned int analog_freqs_khz[3][9][NUM_ANALOG_FREQS] =
>  
>  void analog_tuner_init(struct cec_op_tuner_device_info *info)
>  {
> +	unsigned int freq_khz =
> +		analog_freqs_khz[info->analog.ana_bcast_type][info->analog.bcast_system][0];
> +
>  	info->rec_flag = CEC_OP_REC_FLAG_NOT_USED;
>  	info->tuner_display_info = CEC_OP_TUNER_DISPLAY_INFO_ANALOGUE;
>  	info->is_analog = true;
>  	info->analog.ana_bcast_type = CEC_OP_ANA_BCAST_TYPE_CABLE;
>  	info->analog.bcast_system = CEC_OP_BCAST_SYSTEM_PAL_BG;
> -	info->analog.ana_freq =
> -		analog_freqs_khz[info->analog.ana_bcast_type][info->analog.bcast_system][0];
> +	info->analog.ana_freq = (freq_khz * 10) / 625;
>  }
>  
>  static unsigned int analog_get_nearest_freq(__u8 ana_bcast_type, __u8 ana_bcast_system,
> @@ -123,7 +125,7 @@ static bool analog_set_tuner_dev_info(struct node *node, struct cec_msg *msg)
>  	__u8 system;
>  
>  	cec_ops_select_analogue_service(msg, &type, &freq, &system);
> -	if (info->analog.ana_bcast_type < 3 && info->analog.bcast_system < 9) {
> +	if (type < 3 && system < 9) {
>  		int freq_khz = (freq * 625) / 10;
>  		unsigned int nearest = analog_get_nearest_freq(type, system,
>  							       freq_khz);
> 




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