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authorMauro Carvalho Chehab <mchehab@osg.samsung.com>2016-03-15 07:48:28 -0300
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2016-03-15 07:48:28 -0300
commit8331c055b23c4155b896a2c3791704ae68992d2b (patch)
tree7b8055caa7363b2194dd33de8ba27ee96a9d2505 /drivers/media/dvb-frontends/si2165.c
parentb562e44f507e863c6792946e4e1b1449fbbac85d (diff)
parent840f5b0572ea9ddaca2bf5540a171013e92c97bd (diff)
downloadblackbird-op-linux-8331c055b23c4155b896a2c3791704ae68992d2b.tar.gz
blackbird-op-linux-8331c055b23c4155b896a2c3791704ae68992d2b.zip
Merge commit '840f5b0572ea' into v4l_for_linus
* commit '840f5b0572ea': (381 commits) media: au0828 disable tuner to demod link in au0828_media_device_register() [media] touptek: cast char types on %x printk [media] touptek: don't DMA at the stack [media] mceusb: use %*ph for small buffer dumps [media] v4l: exynos4-is: Drop unneeded check when setting up fimc-lite links [media] v4l: vsp1: Check if an entity is a subdev with the right function [media] hide unused functions for !MEDIA_CONTROLLER [media] em28xx: fix Terratec Grabby AC97 codec detection [media] media: add prefixes to interface types [media] media: rc: nuvoton: switch attribute wakeup_data to text [media] v4l2-ioctl: fix YUV422P pixel format description [media] media: fix null pointer dereference in v4l_vb2q_enable_media_source() [media] v4l2-mc.h: fix yet more compiler errors [media] staging/media: add missing TODO files [media] media.h: always start with 1 for the audio entities [media] sound/usb: Use meaninful names for goto labels [media] v4l2-mc.h: fix compiler warnings [media] media: au0828 audio mixer isn't connected to decoder [media] sound/usb: Use Media Controller API to share media resources [media] dw2102: add support for TeVii S662 ...
Diffstat (limited to 'drivers/media/dvb-frontends/si2165.c')
-rw-r--r--drivers/media/dvb-frontends/si2165.c28
1 files changed, 12 insertions, 16 deletions
diff --git a/drivers/media/dvb-frontends/si2165.c b/drivers/media/dvb-frontends/si2165.c
index 2b93241d4bc1..8bf716a8ea58 100644
--- a/drivers/media/dvb-frontends/si2165.c
+++ b/drivers/media/dvb-frontends/si2165.c
@@ -225,22 +225,18 @@ static int si2165_writereg32(struct si2165_state *state, const u16 reg, u32 val)
static int si2165_writereg_mask8(struct si2165_state *state, const u16 reg,
u8 val, u8 mask)
{
- int ret;
- u8 tmp;
-
if (mask != 0xff) {
- ret = si2165_readreg8(state, reg, &tmp);
+ u8 tmp;
+ int ret = si2165_readreg8(state, reg, &tmp);
+
if (ret < 0)
- goto err;
+ return ret;
val &= mask;
tmp &= ~mask;
val |= tmp;
}
-
- ret = si2165_writereg8(state, reg, val);
-err:
- return ret;
+ return si2165_writereg8(state, reg, val);
}
#define REG16(reg, val) { (reg), (val) & 0xff }, { (reg)+1, (val)>>8 & 0xff }
@@ -825,19 +821,19 @@ static int si2165_set_frontend_dvbt(struct dvb_frontend *fe)
struct si2165_state *state = fe->demodulator_priv;
u32 dvb_rate = 0;
u16 bw10k;
+ u32 bw_hz = p->bandwidth_hz;
dprintk("%s: called\n", __func__);
if (!state->has_dvbt)
return -EINVAL;
- if (p->bandwidth_hz > 0) {
- dvb_rate = p->bandwidth_hz * 8 / 7;
- bw10k = p->bandwidth_hz / 10000;
- } else {
- dvb_rate = 8 * 8 / 7;
- bw10k = 800;
- }
+ /* no bandwidth auto-detection */
+ if (bw_hz == 0)
+ return -EINVAL;
+
+ dvb_rate = bw_hz * 8 / 7;
+ bw10k = bw_hz / 10000;
ret = si2165_adjust_pll_divl(state, 12);
if (ret < 0)
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