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-rw-r--r--drivers/media/tuners/it913x.c1
-rw-r--r--drivers/media/tuners/mt2063.c30
-rw-r--r--drivers/media/tuners/r820t.c29
-rw-r--r--drivers/media/tuners/si2157.c3
4 files changed, 23 insertions, 40 deletions
diff --git a/drivers/media/tuners/it913x.c b/drivers/media/tuners/it913x.c
index 5c96da693289..6c3ef2181fcd 100644
--- a/drivers/media/tuners/it913x.c
+++ b/drivers/media/tuners/it913x.c
@@ -464,6 +464,7 @@ MODULE_DEVICE_TABLE(i2c, it913x_id_table);
static struct i2c_driver it913x_driver = {
.driver = {
.name = "it913x",
+ .suppress_bind_attrs = true,
},
.probe = it913x_probe,
.remove = it913x_remove,
diff --git a/drivers/media/tuners/mt2063.c b/drivers/media/tuners/mt2063.c
index 6457ac91ef09..7f0b9d5940db 100644
--- a/drivers/media/tuners/mt2063.c
+++ b/drivers/media/tuners/mt2063.c
@@ -24,6 +24,7 @@
#include <linux/module.h>
#include <linux/string.h>
#include <linux/videodev2.h>
+#include <linux/gcd.h>
#include "mt2063.h"
@@ -665,27 +666,6 @@ static u32 MT2063_ChooseFirstIF(struct MT2063_AvoidSpursData_t *pAS_Info)
}
/**
- * gcd() - Uses Euclid's algorithm
- *
- * @u, @v: Unsigned values whose GCD is desired.
- *
- * Returns THE greatest common divisor of u and v, if either value is 0,
- * the other value is returned as the result.
- */
-static u32 MT2063_gcd(u32 u, u32 v)
-{
- u32 r;
-
- while (v != 0) {
- r = u % v;
- u = v;
- v = r;
- }
-
- return u;
-}
-
-/**
* IsSpurInBand() - Checks to see if a spur will be present within the IF's
* bandwidth. (fIFOut +/- fIFBW, -fIFOut +/- fIFBW)
*
@@ -731,12 +711,12 @@ static u32 IsSpurInBand(struct MT2063_AvoidSpursData_t *pAS_Info,
** of f_LO1, f_LO2 and the edge value. Use the larger of this
** gcd-based scale factor or f_Scale.
*/
- lo_gcd = MT2063_gcd(f_LO1, f_LO2);
- gd_Scale = max((u32) MT2063_gcd(lo_gcd, d), f_Scale);
+ lo_gcd = gcd(f_LO1, f_LO2);
+ gd_Scale = max((u32) gcd(lo_gcd, d), f_Scale);
hgds = gd_Scale / 2;
- gc_Scale = max((u32) MT2063_gcd(lo_gcd, c), f_Scale);
+ gc_Scale = max((u32) gcd(lo_gcd, c), f_Scale);
hgcs = gc_Scale / 2;
- gf_Scale = max((u32) MT2063_gcd(lo_gcd, f), f_Scale);
+ gf_Scale = max((u32) gcd(lo_gcd, f), f_Scale);
hgfs = gf_Scale / 2;
n0 = DIV_ROUND_UP(f_LO2 - d, f_LO1 - f_LO2);
diff --git a/drivers/media/tuners/r820t.c b/drivers/media/tuners/r820t.c
index 6ab35e315fe7..08dca40356d2 100644
--- a/drivers/media/tuners/r820t.c
+++ b/drivers/media/tuners/r820t.c
@@ -337,20 +337,6 @@ static int r820t_xtal_capacitor[][2] = {
};
/*
- * measured with a Racal 6103E GSM test set at 928 MHz with -60 dBm
- * input power, for raw results see:
- * http://steve-m.de/projects/rtl-sdr/gain_measurement/r820t/
- */
-
-static const int r820t_lna_gain_steps[] = {
- 0, 9, 13, 40, 38, 13, 31, 22, 26, 31, 26, 14, 19, 5, 35, 13
-};
-
-static const int r820t_mixer_gain_steps[] = {
- 0, 5, 10, 10, 19, 9, 10, 25, 17, 10, 8, 16, 13, 6, 3, -8
-};
-
-/*
* I2C read/write code and shadow registers logic
*/
static void shadow_store(struct r820t_priv *priv, u8 reg, const u8 *val,
@@ -1216,6 +1202,21 @@ static int r820t_read_gain(struct r820t_priv *priv)
#if 0
/* FIXME: This routine requires more testing */
+
+/*
+ * measured with a Racal 6103E GSM test set at 928 MHz with -60 dBm
+ * input power, for raw results see:
+ * http://steve-m.de/projects/rtl-sdr/gain_measurement/r820t/
+ */
+
+static const int r820t_lna_gain_steps[] = {
+ 0, 9, 13, 40, 38, 13, 31, 22, 26, 31, 26, 14, 19, 5, 35, 13
+};
+
+static const int r820t_mixer_gain_steps[] = {
+ 0, 5, 10, 10, 19, 9, 10, 25, 17, 10, 8, 16, 13, 6, 3, -8
+};
+
static int r820t_set_gain_mode(struct r820t_priv *priv,
bool set_manual_gain,
int gain)
diff --git a/drivers/media/tuners/si2157.c b/drivers/media/tuners/si2157.c
index b07a681f3fbc..57b250847cd3 100644
--- a/drivers/media/tuners/si2157.c
+++ b/drivers/media/tuners/si2157.c
@@ -514,7 +514,8 @@ MODULE_DEVICE_TABLE(i2c, si2157_id_table);
static struct i2c_driver si2157_driver = {
.driver = {
- .name = "si2157",
+ .name = "si2157",
+ .suppress_bind_attrs = true,
},
.probe = si2157_probe,
.remove = si2157_remove,