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authorPatrick Boettcher <pb@linuxtv.org>2008-12-14 08:59:55 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2008-12-30 09:39:05 -0200
commit826c8b6092f3e1c98dd6236ad212a3c0e292d42e (patch)
tree5c11fb5a79fead7edf668f2e2623e8ca2b1b5081 /drivers/media/dvb/frontends/cx24113.c
parent1dc87b6e2fb29777f921c733d78df7eea31e6cc8 (diff)
downloadop-kernel-dev-826c8b6092f3e1c98dd6236ad212a3c0e292d42e.zip
op-kernel-dev-826c8b6092f3e1c98dd6236ad212a3c0e292d42e.tar.gz
V4L/DVB (9887): Minor fixes for cx24113-driver (codingstyle)
Fixed some minor coding style issues and some driver information printed when using the driver on a board. Signed-off-by: Patrick Boettcher <pb@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/dvb/frontends/cx24113.c')
-rw-r--r--drivers/media/dvb/frontends/cx24113.c70
1 files changed, 39 insertions, 31 deletions
diff --git a/drivers/media/dvb/frontends/cx24113.c b/drivers/media/dvb/frontends/cx24113.c
index e2e5df9..8850f23 100644
--- a/drivers/media/dvb/frontends/cx24113.c
+++ b/drivers/media/dvb/frontends/cx24113.c
@@ -50,46 +50,46 @@ struct cx24113_state {
u8 rev;
u8 ver;
- u8 icp_mode:1;
+ u8 icp_mode:1;
#define ICP_LEVEL1 0
#define ICP_LEVEL2 1
#define ICP_LEVEL3 2
#define ICP_LEVEL4 3
- u8 icp_man:2;
- u8 icp_auto_low:2;
- u8 icp_auto_mlow:2;
- u8 icp_auto_mhi:2;
- u8 icp_auto_hi:2;
- u8 icp_dig;
+ u8 icp_man:2;
+ u8 icp_auto_low:2;
+ u8 icp_auto_mlow:2;
+ u8 icp_auto_mhi:2;
+ u8 icp_auto_hi:2;
+ u8 icp_dig;
#define LNA_MIN_GAIN 0
#define LNA_MID_GAIN 1
#define LNA_MAX_GAIN 2
- u8 lna_gain:2;
+ u8 lna_gain:2;
- u8 acp_on:1;
+ u8 acp_on:1;
- u8 vco_mode:2;
- u8 vco_shift:1;
+ u8 vco_mode:2;
+ u8 vco_shift:1;
#define VCOBANDSEL_6 0x80
#define VCOBANDSEL_5 0x01
#define VCOBANDSEL_4 0x02
#define VCOBANDSEL_3 0x04
#define VCOBANDSEL_2 0x08
#define VCOBANDSEL_1 0x10
- u8 vco_band;
+ u8 vco_band;
#define VCODIV4 4
#define VCODIV2 2
u8 vcodiv;
- u8 bs_delay:4;
- u16 bs_freqcnt:13;
- u16 bs_rdiv;
- u8 prescaler_mode:1;
+ u8 bs_delay:4;
+ u16 bs_freqcnt:13;
+ u16 bs_rdiv;
+ u8 prescaler_mode:1;
- u8 rfvga_bias_ctrl;
+ u8 rfvga_bias_ctrl;
s16 tuner_gain_thres;
u8 gain_level;
@@ -345,12 +345,12 @@ static void cx24113_calc_pll_nf(struct cx24113_state *state, u16 *n, s32 *f)
}
F = freq_hz;
F *= (u64) (R * vcodiv * 262144);
- dprintk("1 N: %d, F: %lld, R: %d\n", N, F, R);
+ dprintk("1 N: %d, F: %lld, R: %d\n", N, F, R);
do_div(F, state->config->xtal_khz*1000 * factor * 2);
- dprintk("2 N: %d, F: %lld, R: %d\n", N, F, R);
+ dprintk("2 N: %d, F: %lld, R: %d\n", N, F, R);
F -= (N + 32) * 262144;
- dprintk("3 N: %d, F: %lld, R: %d\n", N, F, R);
+ dprintk("3 N: %d, F: %lld, R: %d\n", N, F, R);
if (state->Fwindow_enabled) {
if (F > (262144 / 2 - 1638))
@@ -392,21 +392,21 @@ static int cx24113_set_frequency(struct cx24113_state *state, u32 frequency)
u16 n = 6;
s32 f = 0;
- r = cx24113_readreg(state, 0x14);
+ r = cx24113_readreg(state, 0x14);
cx24113_writereg(state, 0x14, r & 0x3f);
- r = cx24113_readreg(state, 0x10);
- cx24113_writereg(state, 0x10, r & 0xbf);
+ r = cx24113_readreg(state, 0x10);
+ cx24113_writereg(state, 0x10, r & 0xbf);
state->frequency = frequency;
dprintk("tuning to frequency: %d\n", frequency);
- cx24113_calc_pll_nf(state, &n, &f);
- cx24113_set_nfr(state, n, f, state->refdiv);
+ cx24113_calc_pll_nf(state, &n, &f);
+ cx24113_set_nfr(state, n, f, state->refdiv);
r = cx24113_readreg(state, 0x18) & 0xbf;
- if (state->vcodiv != VCODIV2)
+ if (state->vcodiv != VCODIV2)
r |= 1 << 6;
cx24113_writereg(state, 0x18, r);
@@ -527,7 +527,7 @@ static int cx24113_release(struct dvb_frontend *fe)
{
struct cx24113_state *state = fe->tuner_priv;
dprintk("\n");
- fe->tuner_priv = NULL;
+ fe->tuner_priv = NULL;
kfree(state);
return 0;
}
@@ -557,6 +557,7 @@ struct dvb_frontend *cx24113_attach(struct dvb_frontend *fe,
/* allocate memory for the internal state */
struct cx24113_state *state =
kzalloc(sizeof(struct cx24113_state), GFP_KERNEL);
+ int rc;
if (state == NULL) {
err("Unable to kmalloc\n");
goto error;
@@ -572,15 +573,22 @@ struct dvb_frontend *cx24113_attach(struct dvb_frontend *fe,
* after power on */
cx24113_readreg(state, 0x00);
- switch (state->rev = cx24113_readreg(state, 0x00)) {
+ rc = cx24113_readreg(state, 0x00);
+ if (rc < 0) {
+ info("cx24113 not found.\n");
+ goto error;
+ }
+ state->rev = rc;
+
+ switch (rc) {
case 0x43:
- info("unknown device\n");
+ info("detected Cx24113 variant\n");
break;
case REV_CX24113:
- info("CX24113\n");
+ info("sucessfully detected\n");
break;
default:
- err("unsupported revision: %x\n", state->rev);
+ err("unsupported device id: %x\n", state->rev);
goto error;
}
state->ver = cx24113_readreg(state, 0x01);
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