linux-kernel - Re: [RFC V10 1/7] drivers:media:radio: wl128x: FM Driver common header file

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Date:	Tue, 11 Jan 2011 13:17:51 +0200
From:	Felipe Balbi <balbi@...com>
To:	manjunatha_halli@...com
Cc:	mchehab@...radead.org, hverkuil@...all.nl,
	linux-kernel@...r.kernel.org, linux-media@...r.kernel.org
Subject: Re: [RFC V10 1/7] drivers:media:radio: wl128x: FM Driver common
 header file

Hi,

On Tue, Jan 11, 2011 at 06:31:21AM -0500, manjunatha_halli@...com wrote:
> From: Manjunatha Halli <manjunatha_halli@...com>
> 
> These are common headers used in FM submodules (FM V4L2,
> FM common, FM Rx,and FM TX).
> 
> Signed-off-by: Manjunatha Halli <manjunatha_halli@...com>
> Reviewed-by: Hans Verkuil <hverkuil@...all.nl>

snip

> diff --git a/drivers/media/radio/wl128x/fmdrv.h b/drivers/media/radio/wl128x/fmdrv.h
> new file mode 100644
> index 0000000..392b62d
> --- /dev/null
> +++ b/drivers/media/radio/wl128x/fmdrv.h
> @@ -0,0 +1,244 @@
> +/*
> + *  FM Driver for Connectivity chip of Texas Instruments.
> + *
> + *  Common header for all FM driver sub-modules.
> + *
> + *  Copyright (C) 2011 Texas Instruments
> + *
> + *  This program is free software; you can redistribute it and/or modify
> + *  it under the terms of the GNU General Public License version 2 as
> + *  published by the Free Software Foundation.
> + *
> + *  This program is distributed in the hope that it will be useful,
> + *  but WITHOUT ANY WARRANTY; without even the implied warranty of
> + *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> + *  GNU General Public License for more details.
> + *
> + *  You should have received a copy of the GNU General Public License
> + *  along with this program; if not, write to the Free Software
> + *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
> + *
> + */
> +
> +#ifndef _FM_DRV_H
> +#define _FM_DRV_H
> +
> +#include <linux/skbuff.h>
> +#include <linux/interrupt.h>
> +#include <sound/core.h>
> +#include <sound/initval.h>
> +#include <linux/timer.h>
> +#include <linux/version.h>
> +#include <media/v4l2-ioctl.h>
> +#include <media/v4l2-common.h>
> +#include <media/v4l2-ctrls.h>
> +
> +#define FM_DRV_VERSION            "0.09"
> +/* Should match with FM_DRV_VERSION */
> +#define FM_DRV_RADIO_VERSION      KERNEL_VERSION(0, 0, 1)
> +#define FM_DRV_NAME               "ti_fmdrv"
> +#define FM_DRV_CARD_SHORT_NAME    "TI FM Radio"
> +#define FM_DRV_CARD_LONG_NAME     "Texas Instruments FM Radio"
> +
> +/* Flag info */
> +#define FM_INTTASK_RUNNING            0
> +#define FM_INTTASK_SCHEDULE_PENDING   1
> +#define FM_FW_DW_INPROGRESS     2
> +#define FM_CORE_READY                 3
> +#define FM_CORE_TRANSPORT_READY       4
> +#define FM_AF_SWITCH_INPROGRESS	      5
> +#define FM_CORE_TX_XMITING	      6
> +
> +#define FM_TUNE_COMPLETE	      0x1
> +#define FM_BAND_LIMIT		      0x2
> +
> +#define FM_DRV_TX_TIMEOUT      (5*HZ)	/* 5 seconds */
> +#define FM_DRV_RX_SEEK_TIMEOUT (20*HZ)	/* 20 seconds */
> +
> +#define NO_OF_ENTRIES_IN_ARRAY(array) (sizeof(array) / sizeof(array[0]))

this is called ARRAY_SIZE(), just use it.

> +
> +#define fmerr(format, ...) \
> +	printk(KERN_ERR "fmdrv: " format, ## __VA_ARGS__)
> +#define fmwarn(format, ...) \
> +	printk(KERN_WARNING "fmdrv: " format, ##__VA_ARGS__)
> +#ifdef DEBUG
> +#define fmdbg(format, ...) \
> +	printk(KERN_DEBUG "fmdrv: " format, ## __VA_ARGS__)
> +#else /* DEBUG */
> +#define fmdbg(format, ...)
> +#endif

why don't you use dev_dbg(), dev_err() and dev_warn() ??

-- 
balbi
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