From: Jan Roemisch <maxx@xxxxxxxxxxxxx>
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@xxxxxxxxxxxxx>
Acked-by: Pali Rohár <pali.rohar@xxxxxxxxx>
---
drivers/staging/media/bcm2048/radio-bcm2048.c | 20 ++++++++++++--------
1 file changed, 12 insertions(+), 8 deletions(-)
diff --git a/drivers/staging/media/bcm2048/radio-bcm2048.c b/drivers/staging/media/bcm2048/radio-bcm2048.c
index e9d0691..134e2af 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 ||
--
1.7.10.4
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