[media] dvb-pll: Convert struct dvb_pll_desc uses to const
Convert the struct dvb_pll_desc uses to const and change the "entries" fixed array size from 12 to [] It saves a couple KB overall and remove ~5KB of data. $ size drivers/media/dvb-frontends/dvb-pll.o* text data bss dec hex filename 8520 1552 2120 12192 2fa0 drivers/media/dvb-frontends/dvb-pll.o.new 5624 6363 2120 14107 371b drivers/media/dvb-frontends/dvb-pll.o.old [PG] Patch taken from https://lkml.org/lkml/2015/6/24/721 with commit message updated. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Peter Griffin <peter.griffin@linaro.org> Reviewed-by: Michael Ira Krufky <m.krufky@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Joe Perches
Mauro Carvalho Chehab
Родитель
6930f6696e
Коммит
548146fbbc
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@ -34,7 +34,7 @@ struct dvb_pll_priv {
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struct i2c_adapter *i2c;
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/* the PLL descriptor */
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struct dvb_pll_desc *pll_desc;
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const struct dvb_pll_desc *pll_desc;
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/* cached frequency/bandwidth */
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u32 frequency;
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@ -57,7 +57,7 @@ MODULE_PARM_DESC(id, "force pll id to use (DEBUG ONLY)");
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/* ----------------------------------------------------------- */
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struct dvb_pll_desc {
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char *name;
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const char *name;
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u32 min;
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u32 max;
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u32 iffreq;
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@ -71,13 +71,13 @@ struct dvb_pll_desc {
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u32 stepsize;
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u8 config;
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u8 cb;
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} entries[12];
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} entries[];
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};
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/* ----------------------------------------------------------- */
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/* descriptions */
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static struct dvb_pll_desc dvb_pll_thomson_dtt7579 = {
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static const struct dvb_pll_desc dvb_pll_thomson_dtt7579 = {
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.name = "Thomson dtt7579",
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.min = 177000000,
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.max = 858000000,
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@ -99,7 +99,7 @@ static void thomson_dtt759x_bw(struct dvb_frontend *fe, u8 *buf)
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buf[3] |= 0x10;
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}
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static struct dvb_pll_desc dvb_pll_thomson_dtt759x = {
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static const struct dvb_pll_desc dvb_pll_thomson_dtt759x = {
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.name = "Thomson dtt759x",
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.min = 177000000,
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.max = 896000000,
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@ -123,7 +123,7 @@ static void thomson_dtt7520x_bw(struct dvb_frontend *fe, u8 *buf)
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buf[3] ^= 0x10;
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}
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static struct dvb_pll_desc dvb_pll_thomson_dtt7520x = {
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static const struct dvb_pll_desc dvb_pll_thomson_dtt7520x = {
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.name = "Thomson dtt7520x",
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.min = 185000000,
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.max = 900000000,
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@ -141,7 +141,7 @@ static struct dvb_pll_desc dvb_pll_thomson_dtt7520x = {
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},
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};
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static struct dvb_pll_desc dvb_pll_lg_z201 = {
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static const struct dvb_pll_desc dvb_pll_lg_z201 = {
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.name = "LG z201",
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.min = 174000000,
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.max = 862000000,
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@ -157,7 +157,7 @@ static struct dvb_pll_desc dvb_pll_lg_z201 = {
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},
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};
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static struct dvb_pll_desc dvb_pll_unknown_1 = {
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static const struct dvb_pll_desc dvb_pll_unknown_1 = {
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.name = "unknown 1", /* used by dntv live dvb-t */
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.min = 174000000,
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.max = 862000000,
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@ -179,7 +179,7 @@ static struct dvb_pll_desc dvb_pll_unknown_1 = {
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/* Infineon TUA6010XS
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* used in Thomson Cable Tuner
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*/
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static struct dvb_pll_desc dvb_pll_tua6010xs = {
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static const struct dvb_pll_desc dvb_pll_tua6010xs = {
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.name = "Infineon TUA6010XS",
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.min = 44250000,
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.max = 858000000,
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@ -193,7 +193,7 @@ static struct dvb_pll_desc dvb_pll_tua6010xs = {
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};
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/* Panasonic env57h1xd5 (some Philips PLL ?) */
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static struct dvb_pll_desc dvb_pll_env57h1xd5 = {
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static const struct dvb_pll_desc dvb_pll_env57h1xd5 = {
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.name = "Panasonic ENV57H1XD5",
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.min = 44250000,
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.max = 858000000,
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@ -217,7 +217,7 @@ static void tda665x_bw(struct dvb_frontend *fe, u8 *buf)
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buf[3] |= 0x08;
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}
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static struct dvb_pll_desc dvb_pll_tda665x = {
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static const struct dvb_pll_desc dvb_pll_tda665x = {
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.name = "Philips TDA6650/TDA6651",
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.min = 44250000,
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.max = 858000000,
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@ -251,7 +251,7 @@ static void tua6034_bw(struct dvb_frontend *fe, u8 *buf)
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buf[3] |= 0x08;
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}
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static struct dvb_pll_desc dvb_pll_tua6034 = {
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static const struct dvb_pll_desc dvb_pll_tua6034 = {
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.name = "Infineon TUA6034",
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.min = 44250000,
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.max = 858000000,
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@ -275,7 +275,7 @@ static void tded4_bw(struct dvb_frontend *fe, u8 *buf)
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buf[3] |= 0x04;
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}
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static struct dvb_pll_desc dvb_pll_tded4 = {
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static const struct dvb_pll_desc dvb_pll_tded4 = {
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.name = "ALPS TDED4",
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.min = 47000000,
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.max = 863000000,
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@ -293,7 +293,7 @@ static struct dvb_pll_desc dvb_pll_tded4 = {
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/* ALPS TDHU2
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* used in AverTVHD MCE A180
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*/
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static struct dvb_pll_desc dvb_pll_tdhu2 = {
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static const struct dvb_pll_desc dvb_pll_tdhu2 = {
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.name = "ALPS TDHU2",
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.min = 54000000,
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.max = 864000000,
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@ -310,7 +310,7 @@ static struct dvb_pll_desc dvb_pll_tdhu2 = {
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/* Samsung TBMV30111IN / TBMV30712IN1
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* used in Air2PC ATSC - 2nd generation (nxt2002)
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*/
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static struct dvb_pll_desc dvb_pll_samsung_tbmv = {
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static const struct dvb_pll_desc dvb_pll_samsung_tbmv = {
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.name = "Samsung TBMV30111IN / TBMV30712IN1",
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.min = 54000000,
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.max = 860000000,
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@ -329,7 +329,7 @@ static struct dvb_pll_desc dvb_pll_samsung_tbmv = {
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/*
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* Philips SD1878 Tuner.
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*/
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static struct dvb_pll_desc dvb_pll_philips_sd1878_tda8261 = {
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static const struct dvb_pll_desc dvb_pll_philips_sd1878_tda8261 = {
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.name = "Philips SD1878",
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.min = 950000,
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.max = 2150000,
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@ -395,7 +395,7 @@ static void opera1_bw(struct dvb_frontend *fe, u8 *buf)
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return;
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}
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static struct dvb_pll_desc dvb_pll_opera1 = {
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static const struct dvb_pll_desc dvb_pll_opera1 = {
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.name = "Opera Tuner",
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.min = 900000,
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.max = 2250000,
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@ -442,7 +442,7 @@ static void samsung_dtos403ih102a_set(struct dvb_frontend *fe, u8 *buf)
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}
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/* unknown pll used in Samsung DTOS403IH102A DVB-C tuner */
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static struct dvb_pll_desc dvb_pll_samsung_dtos403ih102a = {
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static const struct dvb_pll_desc dvb_pll_samsung_dtos403ih102a = {
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.name = "Samsung DTOS403IH102A",
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.min = 44250000,
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.max = 858000000,
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@ -462,7 +462,7 @@ static struct dvb_pll_desc dvb_pll_samsung_dtos403ih102a = {
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};
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/* Samsung TDTC9251DH0 DVB-T NIM, as used on AirStar 2 */
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static struct dvb_pll_desc dvb_pll_samsung_tdtc9251dh0 = {
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static const struct dvb_pll_desc dvb_pll_samsung_tdtc9251dh0 = {
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.name = "Samsung TDTC9251DH0",
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.min = 48000000,
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.max = 863000000,
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@ -476,7 +476,7 @@ static struct dvb_pll_desc dvb_pll_samsung_tdtc9251dh0 = {
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};
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/* Samsung TBDU18132 DVB-S NIM with TSA5059 PLL, used in SkyStar2 DVB-S 2.3 */
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static struct dvb_pll_desc dvb_pll_samsung_tbdu18132 = {
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static const struct dvb_pll_desc dvb_pll_samsung_tbdu18132 = {
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.name = "Samsung TBDU18132",
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.min = 950000,
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.max = 2150000, /* guesses */
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@ -497,7 +497,7 @@ static struct dvb_pll_desc dvb_pll_samsung_tbdu18132 = {
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};
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/* Samsung TBMU24112 DVB-S NIM with SL1935 zero-IF tuner */
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static struct dvb_pll_desc dvb_pll_samsung_tbmu24112 = {
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static const struct dvb_pll_desc dvb_pll_samsung_tbmu24112 = {
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.name = "Samsung TBMU24112",
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.min = 950000,
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.max = 2150000, /* guesses */
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@ -518,7 +518,7 @@ static struct dvb_pll_desc dvb_pll_samsung_tbmu24112 = {
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* 153 - 430 0 * 0 0 0 0 1 0 0x02
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* 430 - 822 0 * 0 0 1 0 0 0 0x08
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* 822 - 862 1 * 0 0 1 0 0 0 0x88 */
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static struct dvb_pll_desc dvb_pll_alps_tdee4 = {
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static const struct dvb_pll_desc dvb_pll_alps_tdee4 = {
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.name = "ALPS TDEE4",
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.min = 47000000,
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.max = 862000000,
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@ -534,7 +534,7 @@ static struct dvb_pll_desc dvb_pll_alps_tdee4 = {
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/* ----------------------------------------------------------- */
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static struct dvb_pll_desc *pll_list[] = {
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static const struct dvb_pll_desc *pll_list[] = {
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[DVB_PLL_UNDEFINED] = NULL,
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[DVB_PLL_THOMSON_DTT7579] = &dvb_pll_thomson_dtt7579,
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[DVB_PLL_THOMSON_DTT759X] = &dvb_pll_thomson_dtt759x,
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@ -564,7 +564,7 @@ static int dvb_pll_configure(struct dvb_frontend *fe, u8 *buf,
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const u32 frequency)
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{
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struct dvb_pll_priv *priv = fe->tuner_priv;
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struct dvb_pll_desc *desc = priv->pll_desc;
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const struct dvb_pll_desc *desc = priv->pll_desc;
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u32 div;
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int i;
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@ -758,7 +758,7 @@ struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe, int pll_addr,
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.buf = b1, .len = 1 };
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struct dvb_pll_priv *priv = NULL;
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int ret;
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struct dvb_pll_desc *desc;
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const struct dvb_pll_desc *desc;
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if ((id[dvb_pll_devcount] > DVB_PLL_UNDEFINED) &&
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(id[dvb_pll_devcount] < ARRAY_SIZE(pll_list)))
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