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authorMauro Carvalho Chehab <mchehab@redhat.com>2011-07-21 03:21:26 +0200
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-01-05 01:18:43 +0100
commit6d3d748a6265f156d14029237ffc3dbdc85d7e44 (patch)
tree0f3074eac567ee9b2a7539240e0ae3787c87fe53 /drivers/media/common/tuners/mt2063.c
parent[media] mt2063: get rid of compilation warnings (diff)
downloadlinux-6d3d748a6265f156d14029237ffc3dbdc85d7e44.tar.xz
linux-6d3d748a6265f156d14029237ffc3dbdc85d7e44.zip
[media] mt2063: Move data structures to the driver
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/common/tuners/mt2063.c')
-rw-r--r--drivers/media/common/tuners/mt2063.c529
1 files changed, 528 insertions, 1 deletions
diff --git a/drivers/media/common/tuners/mt2063.c b/drivers/media/common/tuners/mt2063.c
index 43e543e1efe2..0c4ae7f15c45 100644
--- a/drivers/media/common/tuners/mt2063.c
+++ b/drivers/media/common/tuners/mt2063.c
@@ -12,6 +12,534 @@
static unsigned int verbose;
module_param(verbose, int, 0644);
+/* Internal structures and types */
+
+#define DVBFE_TUNER_OPEN 99
+#define DVBFE_TUNER_SOFTWARE_SHUTDOWN 100
+#define DVBFE_TUNER_CLEAR_POWER_MASKBITS 101
+
+#define MT2063_ERROR (1 << 31)
+#define MT2063_USER_ERROR (1 << 30)
+
+/* Macro to be used to check for errors */
+#define MT2063_IS_ERROR(s) (((s) >> 30) != 0)
+#define MT2063_NO_ERROR(s) (((s) >> 30) == 0)
+
+#define MT2063_OK (0x00000000)
+
+/* Unknown error */
+#define MT2063_UNKNOWN (0x80000001)
+
+/* Error: Upconverter PLL is not locked */
+#define MT2063_UPC_UNLOCK (0x80000002)
+
+/* Error: Downconverter PLL is not locked */
+#define MT2063_DNC_UNLOCK (0x80000004)
+
+/* Error: Two-wire serial bus communications error */
+#define MT2063_COMM_ERR (0x80000008)
+
+/* Error: Tuner handle passed to function was invalid */
+#define MT2063_INV_HANDLE (0x80000010)
+
+/* Error: Function argument is invalid (out of range) */
+#define MT2063_ARG_RANGE (0x80000020)
+
+/* Error: Function argument (ptr to return value) was NULL */
+#define MT2063_ARG_NULL (0x80000040)
+
+/* Error: Attempt to open more than MT_TUNER_CNT tuners */
+#define MT2063_TUNER_CNT_ERR (0x80000080)
+
+/* Error: Tuner Part Code / Rev Code mismatches expected value */
+#define MT2063_TUNER_ID_ERR (0x80000100)
+
+/* Error: Tuner Initialization failure */
+#define MT2063_TUNER_INIT_ERR (0x80000200)
+
+#define MT2063_TUNER_OPEN_ERR (0x80000400)
+
+/* User-definable fields (see mt_userdef.h) */
+#define MT2063_USER_DEFINED1 (0x00001000)
+#define MT2063_USER_DEFINED2 (0x00002000)
+#define MT2063_USER_DEFINED3 (0x00004000)
+#define MT2063_USER_DEFINED4 (0x00008000)
+#define MT2063_USER_MASK (0x4000f000)
+#define MT2063_USER_SHIFT (12)
+
+/* Info: Mask of bits used for # of LO-related spurs that were avoided during tuning */
+#define MT2063_SPUR_CNT_MASK (0x001f0000)
+#define MT2063_SPUR_SHIFT (16)
+
+/* Info: Tuner timeout waiting for condition */
+#define MT2063_TUNER_TIMEOUT (0x00400000)
+
+/* Info: Unavoidable LO-related spur may be present in the output */
+#define MT2063_SPUR_PRESENT_ERR (0x00800000)
+
+/* Info: Tuner input frequency is out of range */
+#define MT2063_FIN_RANGE (0x01000000)
+
+/* Info: Tuner output frequency is out of range */
+#define MT2063_FOUT_RANGE (0x02000000)
+
+/* Info: Upconverter frequency is out of range (may be reason for MT_UPC_UNLOCK) */
+#define MT2063_UPC_RANGE (0x04000000)
+
+/* Info: Downconverter frequency is out of range (may be reason for MT_DPC_UNLOCK) */
+#define MT2063_DNC_RANGE (0x08000000)
+
+/*
+ * Data Types
+ */
+
+#define MAX_UDATA (4294967295) /* max value storable in u32 */
+
+/*
+ * Define an MTxxxx_CNT macro for each type of tuner that will be built
+ * into your application (e.g., MT2121, MT2060). MT_TUNER_CNT
+ * must be set to the SUM of all of the MTxxxx_CNT macros.
+ *
+ * #define MT2050_CNT (1)
+ * #define MT2060_CNT (1)
+ * #define MT2111_CNT (1)
+ * #define MT2121_CNT (3)
+ */
+
+
+#define MT2063_TUNER_CNT (1) /* total num of MicroTuner tuners */
+#define MT2063_I2C (0xC0)
+
+/*
+ * Constant defining the version of the following structure
+ * and therefore the API for this code.
+ *
+ * When compiling the tuner driver, the preprocessor will
+ * check against this version number to make sure that
+ * it matches the version that the tuner driver knows about.
+ */
+/* Version 010201 => 1.21 */
+#define MT2063_AVOID_SPURS_INFO_VERSION 010201
+
+/* DECT Frequency Avoidance */
+#define MT2063_DECT_AVOID_US_FREQS 0x00000001
+
+#define MT2063_DECT_AVOID_EURO_FREQS 0x00000002
+
+#define MT2063_EXCLUDE_US_DECT_FREQUENCIES(s) (((s) & MT2063_DECT_AVOID_US_FREQS) != 0)
+
+#define MT2063_EXCLUDE_EURO_DECT_FREQUENCIES(s) (((s) & MT2063_DECT_AVOID_EURO_FREQS) != 0)
+
+enum MT2063_DECT_Avoid_Type {
+ MT2063_NO_DECT_AVOIDANCE = 0, /* Do not create DECT exclusion zones. */
+ MT2063_AVOID_US_DECT = MT2063_DECT_AVOID_US_FREQS, /* Avoid US DECT frequencies. */
+ MT2063_AVOID_EURO_DECT = MT2063_DECT_AVOID_EURO_FREQS, /* Avoid European DECT frequencies. */
+ MT2063_AVOID_BOTH /* Avoid both regions. Not typically used. */
+};
+
+#define MT2063_MAX_ZONES 48
+
+struct MT2063_ExclZone_t;
+
+struct MT2063_ExclZone_t {
+ u32 min_;
+ u32 max_;
+ struct MT2063_ExclZone_t *next_;
+};
+
+/*
+ * Structure of data needed for Spur Avoidance
+ */
+struct MT2063_AvoidSpursData_t {
+ u32 nAS_Algorithm;
+ u32 f_ref;
+ u32 f_in;
+ u32 f_LO1;
+ u32 f_if1_Center;
+ u32 f_if1_Request;
+ u32 f_if1_bw;
+ u32 f_LO2;
+ u32 f_out;
+ u32 f_out_bw;
+ u32 f_LO1_Step;
+ u32 f_LO2_Step;
+ u32 f_LO1_FracN_Avoid;
+ u32 f_LO2_FracN_Avoid;
+ u32 f_zif_bw;
+ u32 f_min_LO_Separation;
+ u32 maxH1;
+ u32 maxH2;
+ enum MT2063_DECT_Avoid_Type avoidDECT;
+ u32 bSpurPresent;
+ u32 bSpurAvoided;
+ u32 nSpursFound;
+ u32 nZones;
+ struct MT2063_ExclZone_t *freeZones;
+ struct MT2063_ExclZone_t *usedZones;
+ struct MT2063_ExclZone_t MT2063_ExclZones[MT2063_MAX_ZONES];
+};
+
+/*
+ * Values returned by the MT2063's on-chip temperature sensor
+ * to be read/written.
+ */
+enum MT2063_Temperature {
+ MT2063_T_0C = 0, /* Temperature approx 0C */
+ MT2063_T_10C, /* Temperature approx 10C */
+ MT2063_T_20C, /* Temperature approx 20C */
+ MT2063_T_30C, /* Temperature approx 30C */
+ MT2063_T_40C, /* Temperature approx 40C */
+ MT2063_T_50C, /* Temperature approx 50C */
+ MT2063_T_60C, /* Temperature approx 60C */
+ MT2063_T_70C, /* Temperature approx 70C */
+ MT2063_T_80C, /* Temperature approx 80C */
+ MT2063_T_90C, /* Temperature approx 90C */
+ MT2063_T_100C, /* Temperature approx 100C */
+ MT2063_T_110C, /* Temperature approx 110C */
+ MT2063_T_120C, /* Temperature approx 120C */
+ MT2063_T_130C, /* Temperature approx 130C */
+ MT2063_T_140C, /* Temperature approx 140C */
+ MT2063_T_150C, /* Temperature approx 150C */
+};
+
+/*
+ * Parameters for selecting GPIO bits
+ */
+enum MT2063_GPIO_Attr {
+ MT2063_GPIO_IN,
+ MT2063_GPIO_DIR,
+ MT2063_GPIO_OUT,
+};
+
+enum MT2063_GPIO_ID {
+ MT2063_GPIO0,
+ MT2063_GPIO1,
+ MT2063_GPIO2,
+};
+
+/*
+ * Parameter for function MT2063_SetExtSRO that specifies the external
+ * SRO drive frequency.
+ *
+ * MT2063_EXT_SRO_OFF is the power-up default value.
+ */
+enum MT2063_Ext_SRO {
+ MT2063_EXT_SRO_OFF, /* External SRO drive off */
+ MT2063_EXT_SRO_BY_4, /* External SRO drive divide by 4 */
+ MT2063_EXT_SRO_BY_2, /* External SRO drive divide by 2 */
+ MT2063_EXT_SRO_BY_1 /* External SRO drive divide by 1 */
+};
+
+/*
+ * Parameter for function MT2063_SetPowerMask that specifies the power down
+ * of various sections of the MT2063.
+ */
+enum MT2063_Mask_Bits {
+ MT2063_REG_SD = 0x0040, /* Shutdown regulator */
+ MT2063_SRO_SD = 0x0020, /* Shutdown SRO */
+ MT2063_AFC_SD = 0x0010, /* Shutdown AFC A/D */
+ MT2063_PD_SD = 0x0002, /* Enable power detector shutdown */
+ MT2063_PDADC_SD = 0x0001, /* Enable power detector A/D shutdown */
+ MT2063_VCO_SD = 0x8000, /* Enable VCO shutdown */
+ MT2063_LTX_SD = 0x4000, /* Enable LTX shutdown */
+ MT2063_LT1_SD = 0x2000, /* Enable LT1 shutdown */
+ MT2063_LNA_SD = 0x1000, /* Enable LNA shutdown */
+ MT2063_UPC_SD = 0x0800, /* Enable upconverter shutdown */
+ MT2063_DNC_SD = 0x0400, /* Enable downconverter shutdown */
+ MT2063_VGA_SD = 0x0200, /* Enable VGA shutdown */
+ MT2063_AMP_SD = 0x0100, /* Enable AMP shutdown */
+ MT2063_ALL_SD = 0xFF73, /* All shutdown bits for this tuner */
+ MT2063_NONE_SD = 0x0000 /* No shutdown bits */
+};
+
+/*
+ * Parameter for function MT2063_GetParam & MT2063_SetParam that
+ * specifies the tuning algorithm parameter to be read/written.
+ */
+enum MT2063_Param {
+ /* tuner address set by MT2063_Open() */
+ MT2063_IC_ADDR,
+
+ /* max number of MT2063 tuners set by MT_TUNER_CNT in mt_userdef.h */
+ MT2063_MAX_OPEN,
+
+ /* current number of open MT2063 tuners set by MT2063_Open() */
+ MT2063_NUM_OPEN,
+
+ /* crystal frequency (default: 16000000 Hz) */
+ MT2063_SRO_FREQ,
+
+ /* min tuning step size (default: 50000 Hz) */
+ MT2063_STEPSIZE,
+
+ /* input center frequency set by MT2063_Tune() */
+ MT2063_INPUT_FREQ,
+
+ /* LO1 Frequency set by MT2063_Tune() */
+ MT2063_LO1_FREQ,
+
+ /* LO1 minimum step size (default: 250000 Hz) */
+ MT2063_LO1_STEPSIZE,
+
+ /* LO1 FracN keep-out region (default: 999999 Hz) */
+ MT2063_LO1_FRACN_AVOID_PARAM,
+
+ /* Current 1st IF in use set by MT2063_Tune() */
+ MT2063_IF1_ACTUAL,
+
+ /* Requested 1st IF set by MT2063_Tune() */
+ MT2063_IF1_REQUEST,
+
+ /* Center of 1st IF SAW filter (default: 1218000000 Hz) */
+ MT2063_IF1_CENTER,
+
+ /* Bandwidth of 1st IF SAW filter (default: 20000000 Hz) */
+ MT2063_IF1_BW,
+
+ /* zero-IF bandwidth (default: 2000000 Hz) */
+ MT2063_ZIF_BW,
+
+ /* LO2 Frequency set by MT2063_Tune() */
+ MT2063_LO2_FREQ,
+
+ /* LO2 minimum step size (default: 50000 Hz) */
+ MT2063_LO2_STEPSIZE,
+
+ /* LO2 FracN keep-out region (default: 374999 Hz) */
+ MT2063_LO2_FRACN_AVOID,
+
+ /* output center frequency set by MT2063_Tune() */
+ MT2063_OUTPUT_FREQ,
+
+ /* output bandwidth set by MT2063_Tune() */
+ MT2063_OUTPUT_BW,
+
+ /* min inter-tuner LO separation (default: 1000000 Hz) */
+ MT2063_LO_SEPARATION,
+
+ /* ID of avoid-spurs algorithm in use compile-time constant */
+ MT2063_AS_ALG,
+
+ /* max # of intra-tuner harmonics (default: 15) */
+ MT2063_MAX_HARM1,
+
+ /* max # of inter-tuner harmonics (default: 7) */
+ MT2063_MAX_HARM2,
+
+ /* # of 1st IF exclusion zones used set by MT2063_Tune() */
+ MT2063_EXCL_ZONES,
+
+ /* # of spurs found/avoided set by MT2063_Tune() */
+ MT2063_NUM_SPURS,
+
+ /* >0 spurs avoided set by MT2063_Tune() */
+ MT2063_SPUR_AVOIDED,
+
+ /* >0 spurs in output (mathematically) set by MT2063_Tune() */
+ MT2063_SPUR_PRESENT,
+
+ /* Receiver Mode for some parameters. 1 is DVB-T */
+ MT2063_RCVR_MODE,
+
+ /* directly set LNA attenuation, parameter is value to set */
+ MT2063_ACLNA,
+
+ /* maximum LNA attenuation, parameter is value to set */
+ MT2063_ACLNA_MAX,
+
+ /* directly set ATN attenuation. Paremeter is value to set. */
+ MT2063_ACRF,
+
+ /* maxium ATN attenuation. Paremeter is value to set. */
+ MT2063_ACRF_MAX,
+
+ /* directly set FIF attenuation. Paremeter is value to set. */
+ MT2063_ACFIF,
+
+ /* maxium FIF attenuation. Paremeter is value to set. */
+ MT2063_ACFIF_MAX,
+
+ /* LNA Rin */
+ MT2063_LNA_RIN,
+
+ /* Power Detector LNA level target */
+ MT2063_LNA_TGT,
+
+ /* Power Detector 1 level */
+ MT2063_PD1,
+
+ /* Power Detector 1 level target */
+ MT2063_PD1_TGT,
+
+ /* Power Detector 2 level */
+ MT2063_PD2,
+
+ /* Power Detector 2 level target */
+ MT2063_PD2_TGT,
+
+ /* Selects, which DNC is activ */
+ MT2063_DNC_OUTPUT_ENABLE,
+
+ /* VGA gain code */
+ MT2063_VGAGC,
+
+ /* VGA bias current */
+ MT2063_VGAOI,
+
+ /* TAGC, determins the speed of the AGC */
+ MT2063_TAGC,
+
+ /* AMP gain code */
+ MT2063_AMPGC,
+
+ /* Control setting to avoid DECT freqs (default: MT_AVOID_BOTH) */
+ MT2063_AVOID_DECT,
+
+ /* Cleartune filter selection: 0 - by IC (default), 1 - by software */
+ MT2063_CTFILT_SW,
+
+ MT2063_EOP /* last entry in enumerated list */
+};
+
+/*
+ * Parameter for selecting tuner mode
+ */
+enum MT2063_RCVR_MODES {
+ MT2063_CABLE_QAM = 0, /* Digital cable */
+ MT2063_CABLE_ANALOG, /* Analog cable */
+ MT2063_OFFAIR_COFDM, /* Digital offair */
+ MT2063_OFFAIR_COFDM_SAWLESS, /* Digital offair without SAW */
+ MT2063_OFFAIR_ANALOG, /* Analog offair */
+ MT2063_OFFAIR_8VSB, /* Analog offair */
+ MT2063_NUM_RCVR_MODES
+};
+
+/*
+ * Possible values for MT2063_DNC_OUTPUT
+ */
+enum MT2063_DNC_Output_Enable {
+ MT2063_DNC_NONE = 0,
+ MT2063_DNC_1,
+ MT2063_DNC_2,
+ MT2063_DNC_BOTH
+};
+
+/*
+** Two-wire serial bus subaddresses of the tuner registers.
+** Also known as the tuner's register addresses.
+*/
+enum MT2063_Register_Offsets {
+ MT2063_REG_PART_REV = 0, /* 0x00: Part/Rev Code */
+ MT2063_REG_LO1CQ_1, /* 0x01: LO1C Queued Byte 1 */
+ MT2063_REG_LO1CQ_2, /* 0x02: LO1C Queued Byte 2 */
+ MT2063_REG_LO2CQ_1, /* 0x03: LO2C Queued Byte 1 */
+ MT2063_REG_LO2CQ_2, /* 0x04: LO2C Queued Byte 2 */
+ MT2063_REG_LO2CQ_3, /* 0x05: LO2C Queued Byte 3 */
+ MT2063_REG_RSVD_06, /* 0x06: Reserved */
+ MT2063_REG_LO_STATUS, /* 0x07: LO Status */
+ MT2063_REG_FIFFC, /* 0x08: FIFF Center */
+ MT2063_REG_CLEARTUNE, /* 0x09: ClearTune Filter */
+ MT2063_REG_ADC_OUT, /* 0x0A: ADC_OUT */
+ MT2063_REG_LO1C_1, /* 0x0B: LO1C Byte 1 */
+ MT2063_REG_LO1C_2, /* 0x0C: LO1C Byte 2 */
+ MT2063_REG_LO2C_1, /* 0x0D: LO2C Byte 1 */
+ MT2063_REG_LO2C_2, /* 0x0E: LO2C Byte 2 */
+ MT2063_REG_LO2C_3, /* 0x0F: LO2C Byte 3 */
+ MT2063_REG_RSVD_10, /* 0x10: Reserved */
+ MT2063_REG_PWR_1, /* 0x11: PWR Byte 1 */
+ MT2063_REG_PWR_2, /* 0x12: PWR Byte 2 */
+ MT2063_REG_TEMP_STATUS, /* 0x13: Temp Status */
+ MT2063_REG_XO_STATUS, /* 0x14: Crystal Status */
+ MT2063_REG_RF_STATUS, /* 0x15: RF Attn Status */
+ MT2063_REG_FIF_STATUS, /* 0x16: FIF Attn Status */
+ MT2063_REG_LNA_OV, /* 0x17: LNA Attn Override */
+ MT2063_REG_RF_OV, /* 0x18: RF Attn Override */
+ MT2063_REG_FIF_OV, /* 0x19: FIF Attn Override */
+ MT2063_REG_LNA_TGT, /* 0x1A: Reserved */
+ MT2063_REG_PD1_TGT, /* 0x1B: Pwr Det 1 Target */
+ MT2063_REG_PD2_TGT, /* 0x1C: Pwr Det 2 Target */
+ MT2063_REG_RSVD_1D, /* 0x1D: Reserved */
+ MT2063_REG_RSVD_1E, /* 0x1E: Reserved */
+ MT2063_REG_RSVD_1F, /* 0x1F: Reserved */
+ MT2063_REG_RSVD_20, /* 0x20: Reserved */
+ MT2063_REG_BYP_CTRL, /* 0x21: Bypass Control */
+ MT2063_REG_RSVD_22, /* 0x22: Reserved */
+ MT2063_REG_RSVD_23, /* 0x23: Reserved */
+ MT2063_REG_RSVD_24, /* 0x24: Reserved */
+ MT2063_REG_RSVD_25, /* 0x25: Reserved */
+ MT2063_REG_RSVD_26, /* 0x26: Reserved */
+ MT2063_REG_RSVD_27, /* 0x27: Reserved */
+ MT2063_REG_FIFF_CTRL, /* 0x28: FIFF Control */
+ MT2063_REG_FIFF_OFFSET, /* 0x29: FIFF Offset */
+ MT2063_REG_CTUNE_CTRL, /* 0x2A: Reserved */
+ MT2063_REG_CTUNE_OV, /* 0x2B: Reserved */
+ MT2063_REG_CTRL_2C, /* 0x2C: Reserved */
+ MT2063_REG_FIFF_CTRL2, /* 0x2D: Fiff Control */
+ MT2063_REG_RSVD_2E, /* 0x2E: Reserved */
+ MT2063_REG_DNC_GAIN, /* 0x2F: DNC Control */
+ MT2063_REG_VGA_GAIN, /* 0x30: VGA Gain Ctrl */
+ MT2063_REG_RSVD_31, /* 0x31: Reserved */
+ MT2063_REG_TEMP_SEL, /* 0x32: Temperature Selection */
+ MT2063_REG_RSVD_33, /* 0x33: Reserved */
+ MT2063_REG_RSVD_34, /* 0x34: Reserved */
+ MT2063_REG_RSVD_35, /* 0x35: Reserved */
+ MT2063_REG_RSVD_36, /* 0x36: Reserved */
+ MT2063_REG_RSVD_37, /* 0x37: Reserved */
+ MT2063_REG_RSVD_38, /* 0x38: Reserved */
+ MT2063_REG_RSVD_39, /* 0x39: Reserved */
+ MT2063_REG_RSVD_3A, /* 0x3A: Reserved */
+ MT2063_REG_RSVD_3B, /* 0x3B: Reserved */
+ MT2063_REG_RSVD_3C, /* 0x3C: Reserved */
+ MT2063_REG_END_REGS
+};
+
+struct MT2063_Info_t {
+ void *handle;
+ void *hUserData;
+ u32 address;
+ u32 version;
+ u32 tuner_id;
+ struct MT2063_AvoidSpursData_t AS_Data;
+ u32 f_IF1_actual;
+ u32 rcvr_mode;
+ u32 ctfilt_sw;
+ u32 CTFiltMax[31];
+ u32 num_regs;
+ u8 reg[MT2063_REG_END_REGS];
+};
+typedef struct MT2063_Info_t *pMT2063_Info_t;
+
+enum MTTune_atv_standard {
+ MTTUNEA_UNKNOWN = 0,
+ MTTUNEA_PAL_B,
+ MTTUNEA_PAL_G,
+ MTTUNEA_PAL_I,
+ MTTUNEA_PAL_L,
+ MTTUNEA_PAL_MN,
+ MTTUNEA_PAL_DK,
+ MTTUNEA_DIGITAL,
+ MTTUNEA_FMRADIO,
+ MTTUNEA_DVBC,
+ MTTUNEA_DVBT
+};
+
+
+struct mt2063_state {
+ struct i2c_adapter *i2c;
+
+ const struct mt2063_config *config;
+ struct dvb_tuner_ops ops;
+ struct dvb_frontend *frontend;
+ struct tuner_state status;
+ struct MT2063_Info_t *MT2063_ht;
+ bool MT2063_init;
+
+ enum MTTune_atv_standard tv_type;
+ u32 frequency;
+ u32 srate;
+ u32 bandwidth;
+ u32 reference;
+};
/* Prototypes */
static void MT2063_AddExclZone(struct MT2063_AvoidSpursData_t *pAS_Info,
@@ -150,7 +678,6 @@ unsigned int tuner_MT2063_ClearPowerMaskBits(struct dvb_frontend *fe)
/*****************/
-
//i2c operation
static int mt2063_writeregs(struct mt2063_state *state, u8 reg1,
u8 * data, int len)