diff options
Diffstat (limited to 'drivers/media/radio/tef6862.c')
| -rw-r--r-- | drivers/media/radio/tef6862.c | 24 |
1 files changed, 6 insertions, 18 deletions
diff --git a/drivers/media/radio/tef6862.c b/drivers/media/radio/tef6862.c index 82c6c94..06ac692 100644 --- a/drivers/media/radio/tef6862.c +++ b/drivers/media/radio/tef6862.c @@ -25,14 +25,13 @@ #include <linux/slab.h> #include <media/v4l2-ioctl.h> #include <media/v4l2-device.h> -#include <media/v4l2-chip-ident.h> #define DRIVER_NAME "tef6862" #define FREQ_MUL 16000 -#define TEF6862_LO_FREQ (875 * FREQ_MUL / 10) -#define TEF6862_HI_FREQ (108 * FREQ_MUL) +#define TEF6862_LO_FREQ (875U * FREQ_MUL / 10) +#define TEF6862_HI_FREQ (108U * FREQ_MUL) /* Write mode sub addresses */ #define WM_SUB_BANDWIDTH 0x0 @@ -105,6 +104,7 @@ static int tef6862_s_frequency(struct v4l2_subdev *sd, const struct v4l2_frequen { struct tef6862_state *state = to_state(sd); struct i2c_client *client = v4l2_get_subdevdata(sd); + unsigned freq = f->frequency; u16 pll; u8 i2cmsg[3]; int err; @@ -112,7 +112,8 @@ static int tef6862_s_frequency(struct v4l2_subdev *sd, const struct v4l2_frequen if (f->tuner != 0) return -EINVAL; - pll = 1964 + ((f->frequency - TEF6862_LO_FREQ) * 20) / FREQ_MUL; + clamp(freq, TEF6862_LO_FREQ, TEF6862_HI_FREQ); + pll = 1964 + ((freq - TEF6862_LO_FREQ) * 20) / FREQ_MUL; i2cmsg[0] = (MODE_PRESET << MODE_SHIFT) | WM_SUB_PLLM; i2cmsg[1] = (pll >> 8) & 0xff; i2cmsg[2] = pll & 0xff; @@ -121,7 +122,7 @@ static int tef6862_s_frequency(struct v4l2_subdev *sd, const struct v4l2_frequen if (err != sizeof(i2cmsg)) return err < 0 ? err : -EIO; - state->freq = f->frequency; + state->freq = freq; return 0; } @@ -136,14 +137,6 @@ static int tef6862_g_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *f) return 0; } -static int tef6862_g_chip_ident(struct v4l2_subdev *sd, - struct v4l2_dbg_chip_ident *chip) -{ - struct i2c_client *client = v4l2_get_subdevdata(sd); - - return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_TEF6862, 0); -} - static const struct v4l2_subdev_tuner_ops tef6862_tuner_ops = { .g_tuner = tef6862_g_tuner, .s_tuner = tef6862_s_tuner, @@ -151,12 +144,7 @@ static const struct v4l2_subdev_tuner_ops tef6862_tuner_ops = { .g_frequency = tef6862_g_frequency, }; -static const struct v4l2_subdev_core_ops tef6862_core_ops = { - .g_chip_ident = tef6862_g_chip_ident, -}; - static const struct v4l2_subdev_ops tef6862_ops = { - .core = &tef6862_core_ops, .tuner = &tef6862_tuner_ops, }; |