diff options
Diffstat (limited to 'drivers/media/dvb-frontends/dib7000p.c')
| -rw-r--r-- | drivers/media/dvb-frontends/dib7000p.c | 27 |
1 files changed, 15 insertions, 12 deletions
diff --git a/drivers/media/dvb-frontends/dib7000p.c b/drivers/media/dvb-frontends/dib7000p.c index 55bee50aa871..7d3a994b7cc4 100644 --- a/drivers/media/dvb-frontends/dib7000p.c +++ b/drivers/media/dvb-frontends/dib7000p.c @@ -13,7 +13,7 @@ #include <linux/mutex.h> #include <asm/div64.h> -#include <media/dvb_math.h> +#include <linux/int_log.h> #include <media/dvb_frontend.h> #include "dib7000p.h" @@ -32,11 +32,6 @@ MODULE_PARM_DESC(buggy_sfn_workaround, "Enable work-around for buggy SFNs (defau __func__, ##arg); \ } while (0) -struct i2c_device { - struct i2c_adapter *i2c_adap; - u8 i2c_addr; -}; - struct dib7000p_state { struct dvb_frontend demod; struct dib7000p_config cfg; @@ -497,7 +492,7 @@ static int dib7000p_update_pll(struct dvb_frontend *fe, struct dibx000_bandwidth prediv = reg_1856 & 0x3f; loopdiv = (reg_1856 >> 6) & 0x3f; - if ((bw != NULL) && (bw->pll_prediv != prediv || bw->pll_ratio != loopdiv)) { + if (loopdiv && bw && (bw->pll_prediv != prediv || bw->pll_ratio != loopdiv)) { dprintk("Updating pll (prediv: old = %d new = %d ; loopdiv : old = %d new = %d)\n", prediv, bw->pll_prediv, loopdiv, bw->pll_ratio); reg_1856 &= 0xf000; reg_1857 = dib7000p_read_word(state, 1857); @@ -1188,8 +1183,8 @@ static int dib7000p_autosearch_is_irq(struct dvb_frontend *demod) static void dib7000p_spur_protect(struct dib7000p_state *state, u32 rf_khz, u32 bw) { - static s16 notch[] = { 16143, 14402, 12238, 9713, 6902, 3888, 759, -2392 }; - static u8 sine[] = { 0, 2, 3, 5, 6, 8, 9, 11, 13, 14, 16, 17, 19, 20, 22, + static const s16 notch[] = { 16143, 14402, 12238, 9713, 6902, 3888, 759, -2392 }; + static const u8 sine[] = { 0, 2, 3, 5, 6, 8, 9, 11, 13, 14, 16, 17, 19, 20, 22, 24, 25, 27, 28, 30, 31, 33, 34, 36, 38, 39, 41, 42, 44, 45, 47, 48, 50, 51, 53, 55, 56, 58, 59, 61, 62, 64, 65, 67, 68, 70, 71, 73, 74, 76, 77, 79, 80, 82, 83, 85, 86, 88, 89, 91, 92, 94, 95, 97, 98, 99, 101, 102, 104, 105, @@ -2198,6 +2193,8 @@ static int w7090p_tuner_write_serpar(struct i2c_adapter *i2c_adap, struct i2c_ms struct dib7000p_state *state = i2c_get_adapdata(i2c_adap); u8 n_overflow = 1; u16 i = 1000; + if (msg[0].len < 3) + return -EOPNOTSUPP; u16 serpar_num = msg[0].buf[0]; while (n_overflow == 1 && i) { @@ -2217,6 +2214,8 @@ static int w7090p_tuner_read_serpar(struct i2c_adapter *i2c_adap, struct i2c_msg struct dib7000p_state *state = i2c_get_adapdata(i2c_adap); u8 n_overflow = 1, n_empty = 1; u16 i = 1000; + if (msg[0].len < 1 || msg[1].len < 2) + return -EOPNOTSUPP; u16 serpar_num = msg[0].buf[0]; u16 read_word; @@ -2261,8 +2260,12 @@ static int dib7090p_rw_on_apb(struct i2c_adapter *i2c_adap, u16 word; if (num == 1) { /* write */ + if (msg[0].len < 3) + return -EOPNOTSUPP; dib7000p_write_word(state, apb_address, ((msg[0].buf[1] << 8) | (msg[0].buf[2]))); } else { + if (msg[1].len < 2) + return -EOPNOTSUPP; word = dib7000p_read_word(state, apb_address); msg[1].buf[0] = (word >> 8) & 0xff; msg[1].buf[1] = (word) & 0xff; @@ -2635,7 +2638,7 @@ static int dib7090_set_output_mode(struct dvb_frontend *fe, int mode) dib7090_configMpegMux(state, 3, 1, 1); dib7090_setHostBusMux(state, MPEG_ON_HOSTBUS); } else {/* Use Smooth block */ - dprintk("setting output mode TS_SERIAL using Smooth bloc\n"); + dprintk("setting output mode TS_SERIAL using Smooth block\n"); dib7090_setHostBusMux(state, DEMOUT_ON_HOSTBUS); outreg |= (2<<6) | (0 << 1); } @@ -2659,7 +2662,7 @@ static int dib7090_set_output_mode(struct dvb_frontend *fe, int mode) outreg |= (1<<6); break; - case OUTMODE_MPEG2_FIFO: /* Using Smooth block because not supported by new Mpeg Mux bloc */ + case OUTMODE_MPEG2_FIFO: /* Using Smooth block because not supported by new Mpeg Mux block */ dprintk("setting output mode TS_FIFO using Smooth block\n"); dib7090_setHostBusMux(state, DEMOUT_ON_HOSTBUS); outreg |= (5<<6); @@ -2822,7 +2825,7 @@ void *dib7000p_attach(struct dib7000p_ops *ops) return ops; } -EXPORT_SYMBOL(dib7000p_attach); +EXPORT_SYMBOL_GPL(dib7000p_attach); static const struct dvb_frontend_ops dib7000p_ops = { .delsys = { SYS_DVBT }, |