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[media] radio-bcm2048: Fix region selection 

This patch fixes region selection for lower bottom_frequency in BCM2048 FM
receiver. It also removes "Japan wide band" region since this is impossible
to do just like that.

Signed-off-by: Jan Roemisch <maxx@spaceboyz.net>
Acked-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Jan Roemisch 2015-06-09 08:44:33 -03:00 committed by Mauro Carvalho Chehab
parent d9b8252202
commit e6cf0c409b
1 changed files with 12 additions and 8 deletions
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20
drivers/staging/media/bcm2048/radio-bcm2048.c
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@ -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 ||