On Tue, Aug 02, 2016 at 03:05:07PM +0300, Jyri Sarha wrote:
> @@ -787,19 +792,13 @@ tda998x_configure_audio(struct tda998x_priv *priv,
> reg_clear(priv, REG_AIP_CNTRL_0, AIP_CNTRL_0_RST_CTS);
>
> /* Write the channel status */
> - buf[0] = IEC958_AES0_CON_NOT_COPYRIGHT;
> - buf[1] = 0x00;
> - buf[2] = IEC958_AES3_CON_FS_NOTID;
> - buf[3] = IEC958_AES4_CON_ORIGFS_NOTID |
> - IEC958_AES4_CON_MAX_WORDLEN_24;
> - reg_write_range(priv, REG_CH_STAT_B(0), buf, 4);
> + reg_write_range(priv, REG_CH_STAT_B(0), params->status, 4);
Take a close look at the code you are replacing here - the buffer
contents is not AES bytes 0, 1, 2, 3, 4, but AES bytes 0, 1, 3, 4
- byte 2 is not present in this array. I don't think you've noticed
this as your second patch merely copies verboten the IEC status:
+ memcpy(audio.status, params->iec.status,
+ min(sizeof(audio.status), sizeof(params->iec.status)));
assuming that it is bytes 0-3. Byte 2 is stored separately for each
I2S channel in the following registers.
> diff --git a/include/drm/i2c/tda998x.h b/include/drm/i2c/tda998x.h
> index 3e419d9..24be7aa 100644
> --- a/include/drm/i2c/tda998x.h
> +++ b/include/drm/i2c/tda998x.h
> @@ -1,6 +1,19 @@
> #ifndef __DRM_I2C_TDA998X_H__
> #define __DRM_I2C_TDA998X_H__
>
> +#define AFMT_UNUSED 0
> +#define AFMT_SPDIF 1
> +#define AFMT_I2S 2
I'd prefer this to stay an enum please.
> +struct tda998x_audio_params {
> + u8 config;
> + u8 format;
> + unsigned sample_width;
> + unsigned sample_rate;
> + struct hdmi_audio_infoframe cea;
With this addition, this file will need to include linux/hdmi.h.
> + u8 status[4];
A comment here about the missing byte 2 would probably be a good idea.
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