linux-kernel - Re: [PATCH 30/98] hdspm.h: use __u8, __u32 and _

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Message-ID: <s5ha8wl8blx.wl-tiwai@suse.de>
Date:	Sun, 31 May 2015 09:11:54 +0200
From:	Takashi Iwai <tiwai@...e.de>
To:	Mikko Rapeli <mikko.rapeli@....fi>
Cc:	linux-kernel@...r.kernel.org, Jaroslav Kysela <perex@...ex.cz>,
	alsa-devel@...a-project.org, linux-api@...r.kernel.org
Subject: Re: [PATCH 30/98] hdspm.h: use __u8, __u32 and __u64 from linux/types.h

At Sat, 30 May 2015 17:38:22 +0200,
Mikko Rapeli wrote:
> 
> Fixes userspace compilation errors like:
> 
> sound/hdspm.h:43:2: error: unknown type name ‘uint32_t’

Hmm, how do you get this error at all?
The header includes stdint.h for user-space.


thanks,

Takashi

> 
> Signed-off-by: Mikko Rapeli <mikko.rapeli@....fi>
> ---
>  include/uapi/sound/hdspm.h | 40 ++++++++++++++++++----------------------
>  1 file changed, 18 insertions(+), 22 deletions(-)
> 
> diff --git a/include/uapi/sound/hdspm.h b/include/uapi/sound/hdspm.h
> index 5737332..c4db6f5 100644
> --- a/include/uapi/sound/hdspm.h
> +++ b/include/uapi/sound/hdspm.h
> @@ -20,11 +20,7 @@
>   *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
>   */
>  
> -#ifdef __KERNEL__
>  #include <linux/types.h>
> -#else
> -#include <stdint.h>
> -#endif
>  
>  /* Maximum channels is 64 even on 56Mode you have 64playbacks to matrix */
>  #define HDSPM_MAX_CHANNELS      64
> @@ -46,15 +42,15 @@ enum hdspm_speed {
>  /* -------------------- IOCTL Peak/RMS Meters -------------------- */
>  
>  struct hdspm_peak_rms {
> -	uint32_t input_peaks[64];
> -	uint32_t playback_peaks[64];
> -	uint32_t output_peaks[64];
> +	__u32 input_peaks[64];
> +	__u32 playback_peaks[64];
> +	__u32 output_peaks[64];
>  
> -	uint64_t input_rms[64];
> -	uint64_t playback_rms[64];
> -	uint64_t output_rms[64];
> +	__u64 input_rms[64];
> +	__u64 playback_rms[64];
> +	__u64 output_rms[64];
>  
> -	uint8_t speed; /* enum {ss, ds, qs} */
> +	__u8 speed; /* enum {ss, ds, qs} */
>  	int status2;
>  };
>  
> @@ -155,21 +151,21 @@ enum hdspm_syncsource {
>  };
>  
>  struct hdspm_status {
> -	uint8_t card_type; /* enum hdspm_io_type */
> +	__u8 card_type; /* enum hdspm_io_type */
>  	enum hdspm_syncsource autosync_source;
>  
> -	uint64_t card_clock;
> -	uint32_t master_period;
> +	__u64 card_clock;
> +	__u32 master_period;
>  
>  	union {
>  		struct {
> -			uint8_t sync_wc; /* enum hdspm_sync */
> -			uint8_t sync_madi; /* enum hdspm_sync */
> -			uint8_t sync_tco; /* enum hdspm_sync */
> -			uint8_t sync_in; /* enum hdspm_sync */
> -			uint8_t madi_input; /* enum hdspm_madi_input */
> -			uint8_t channel_format; /* enum hdspm_madi_channel_format */
> -			uint8_t frame_format; /* enum hdspm_madi_frame_format */
> +			__u8 sync_wc; /* enum hdspm_sync */
> +			__u8 sync_madi; /* enum hdspm_sync */
> +			__u8 sync_tco; /* enum hdspm_sync */
> +			__u8 sync_in; /* enum hdspm_sync */
> +			__u8 madi_input; /* enum hdspm_madi_input */
> +			__u8 channel_format; /* enum hdspm_madi_channel_format */
> +			__u8 frame_format; /* enum hdspm_madi_frame_format */
>  		} madi;
>  	} card_specific;
>  };
> @@ -184,7 +180,7 @@ struct hdspm_status {
>  #define HDSPM_ADDON_TCO 1
>  
>  struct hdspm_version {
> -	uint8_t card_type; /* enum hdspm_io_type */
> +	__u8 card_type; /* enum hdspm_io_type */
>  	char cardname[20];
>  	unsigned int serial;
>  	unsigned short firmware_rev;
> -- 
> 2.1.4
> 
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