linux-kernel - Re: [PATCH] radio-bcm2048: Fix region selection

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Message-ID: <20150518105232.GA15632@amd>
Date:	Mon, 18 May 2015 12:52:32 +0200
From:	Pavel Machek <pavel@....cz>
To:	Jan Roemisch <maxx@...ceboyz.net>
Cc:	Greg KH <gregkh@...uxfoundation.org>, pali.rohar@...il.com,
	Mauro Carvalho Chehab <mchehab@....samsung.com>,
	Hans Verkuil <hans.verkuil@...co.com>,
	linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] radio-bcm2048: Fix region selection

On Sat 2015-05-16 17:20:50, Jan Roemisch wrote:
> Removed "Japan wide band" region since this is impossible to do just
> like that. Additionally it's now possible to go back to non-Japanese regions
> without having to reload the module.

Acked-by: Pavel Machek <pavel@....cz>

But note that you'll probably need to do one more resend, with

Signed-off-by:

line.

Thanks and best regards,
									Pavel

> Greetings
> Jan Roemisch
> 
> On Sat, May 16, 2015 at 07:06:17AM -0700, Greg KH wrote:
> > On Sat, May 16, 2015 at 01:22:27PM +0200, Jan Roemisch wrote:
> > > Oh sorry, the real name is Jan Roemisch.
> > 
> > Ok, thanks, can someone please fix up the patches and resend them?
> > 
> > greg k-h
> > 

> diff --git a/drivers/staging/media/bcm2048/radio-bcm2048.c b/drivers/staging/media/bcm2048/radio-bcm2048.c
> index 5382506..d2e7f1e 100644
> --- a/drivers/staging/media/bcm2048/radio-bcm2048.c
> +++ b/drivers/staging/media/bcm2048/radio-bcm2048.c
> @@ -342,14 +342,6 @@ static struct region_info region_configs[] = {
>  		.deemphasis		= 50,
>  		.region			= 3,
>  	},
> -	/* Japan wide band */
> -	{
> -		.channel_spacing	= 10,
> -		.bottom_frequency	= 76000,
> -		.top_frequency		= 108000,
> -		.deemphasis		= 50,
> -		.region			= 4,
> -	},
>  };
>  
>  /*
> @@ -741,6 +733,18 @@ static int bcm2048_set_region(struct bcm2048_device *bdev, u8 region)
>  
>  	mutex_lock(&bdev->mutex);
>  	bdev->region_info = region_configs[region];
> +
> +	if (region_configs[region].bottom_frequency < 87500)
> +		bdev->cache_fm_ctrl |= BCM2048_BAND_SELECT;
> +	else
> +		bdev->cache_fm_ctrl &= ~BCM2048_BAND_SELECT;
> +
> +	err = bcm2048_send_command(bdev, BCM2048_I2C_FM_CTRL,
> +					bdev->cache_fm_ctrl);
> +	if (err) {
> +		mutex_unlock(&bdev->mutex);
> +		goto done;
> +	}
>  	mutex_unlock(&bdev->mutex);
>  
>  	if (bdev->frequency < region_configs[region].bottom_frequency ||


-- 
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