Re: [alsa-devel] [PATCH v3 1/2] ALSA: pcm: add SNDRV_PCM_FORMAT_{S, U}20
From: Takashi Iwai <hidden>
Date: 2017-11-27 20:28:49
Also in:
alsa-devel, lkml
On Mon, 27 Nov 2017 00:09:47 +0100, Maciej S. Szmigiero wrote:
quoted hunk ↗ jump to hunk
diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h index 58acd00cae19..d970879944fc 100644 --- a/include/sound/soc-dai.h +++ b/include/sound/soc-dai.h@@ -102,6 +102,8 @@ struct snd_compr_stream; SNDRV_PCM_FMTBIT_S16_BE |\ SNDRV_PCM_FMTBIT_S20_3LE |\ SNDRV_PCM_FMTBIT_S20_3BE |\ + SNDRV_PCM_FMTBIT_S20_LE |\ + SNDRV_PCM_FMTBIT_S20_BE |\ SNDRV_PCM_FMTBIT_S24_3LE |\ SNDRV_PCM_FMTBIT_S24_3BE |\ SNDRV_PCM_FMTBIT_S32_LE |\
Is it really safe to include them unconditionally...?
quoted hunk ↗ jump to hunk
diff --git a/include/uapi/sound/asound.h b/include/uapi/sound/asound.h index c227ccba60ae..7385024041d2 100644 --- a/include/uapi/sound/asound.h +++ b/include/uapi/sound/asound.h@@ -214,6 +214,11 @@ typedef int __bitwise snd_pcm_format_t; #define SNDRV_PCM_FORMAT_IMA_ADPCM ((__force snd_pcm_format_t) 22) #define SNDRV_PCM_FORMAT_MPEG ((__force snd_pcm_format_t) 23) #define SNDRV_PCM_FORMAT_GSM ((__force snd_pcm_format_t) 24) +#define SNDRV_PCM_FORMAT_S20_LE ((__force snd_pcm_format_t) 25) /* \ */ +#define SNDRV_PCM_FORMAT_S20_BE ((__force snd_pcm_format_t) 26) /* | */ +#define SNDRV_PCM_FORMAT_U20_LE ((__force snd_pcm_format_t) 27) /* | in four bytes, */ +#define SNDRV_PCM_FORMAT_U20_BE ((__force snd_pcm_format_t) 28) /* / LSB justified */
This style of comments is unusual, so I prefer rather a dumb style, even don't mind repeating the same text in each line. They'll be over 80 chars in anyway, so ignore what checkpatch complains.
+/* gap in the numbering for a future standard linear format */
This comment is good. thanks, Takashi