FUNCTIONS
------------------------------------------------------------------------------*/
-/*============================================================================*/
-/*============================================================================*/
-/*== Channel Scan Functions ==================================================*/
-/*============================================================================*/
-/*============================================================================*/
-
-#ifndef DRX_EXCLUDE_SCAN
-
-/* Prototype of default scanning function */
-static int
-scan_function_default(void *scan_context,
- enum drx_scan_command scan_command,
- struct drx_channel *scan_channel, bool *get_next_channel);
-
-/**
-* \brief Get pointer to scanning function.
-* \param demod: Pointer to demodulator instance.
-* \return drx_scan_func_t.
-*/
-static drx_scan_func_t get_scan_function(struct drx_demod_instance *demod)
-{
- struct drx_common_attr *common_attr = (struct drx_common_attr *) (NULL);
- drx_scan_func_t scan_func = (drx_scan_func_t) (NULL);
-
- /* get scan function from common attributes */
- common_attr = (struct drx_common_attr *) demod->my_common_attr;
- scan_func = common_attr->scan_function;
-
- if (scan_func != NULL) {
- /* return device-specific scan function if it's not NULL */
- return scan_func;
- }
- /* otherwise return default scan function in core driver */
- return &scan_function_default;
-}
-
-/**
-* \brief Get Context pointer.
-* \param demod: Pointer to demodulator instance.
-* \param scan_context: Context Pointer.
-* \return drx_scan_func_t.
-*/
-static void *get_scan_context(struct drx_demod_instance *demod, void *scan_context)
-{
- struct drx_common_attr *common_attr = (struct drx_common_attr *) (NULL);
-
- /* get scan function from common attributes */
- common_attr = (struct drx_common_attr *) demod->my_common_attr;
- scan_context = common_attr->scan_context;
-
- if (scan_context == NULL)
- scan_context = (void *)demod;
-
- return scan_context;
-}
-
-/**
-* \brief Wait for lock while scanning.
-* \param demod: Pointer to demodulator instance.
-* \param lock_stat: Pointer to bool indicating if end result is lock or not.
-* \return int.
-* \retval 0: Success
-* \retval -EIO: I2C failure or bsp function failure.
-*
-* Wait until timeout, desired lock or NEVER_LOCK.
-* Assume:
-* - lock function returns : at least DRX_NOT_LOCKED and a lock state
-* higher than DRX_NOT_LOCKED.
-* - BSP has a clock function to retrieve a millisecond ticker value.
-* - BSP has a sleep function to enable sleep of n millisecond.
-*
-* In case DRX_NEVER_LOCK is returned the poll-wait will be aborted.
-*
-*/
-static int scan_wait_for_lock(struct drx_demod_instance *demod, bool *is_locked)
-{
- bool done_waiting = false;
- enum drx_lock_status lock_state = DRX_NOT_LOCKED;
- enum drx_lock_status desired_lock_state = DRX_NOT_LOCKED;
- u32 timeout_value = 0;
- u32 start_time_lock_stage = 0;
- u32 current_time = 0;
- u32 timer_value = 0;
-
- *is_locked = false;
- timeout_value = (u32) demod->my_common_attr->scan_demod_lock_timeout;
- desired_lock_state = demod->my_common_attr->scan_desired_lock;
- start_time_lock_stage = drxbsp_hst_clock();
-
- /* Start polling loop, checking for lock & timeout */
- while (!done_waiting) {
- if (drx_ctrl(demod, DRX_CTRL_LOCK_STATUS, &lock_state))
- return -EIO;
-
- current_time = drxbsp_hst_clock();
-
- timer_value = current_time - start_time_lock_stage;
- if (lock_state >= desired_lock_state) {
- *is_locked = true;
- done_waiting = true;
- } else if (lock_state == DRX_NEVER_LOCK) {
- done_waiting = true;
- } else if (timer_value > timeout_value) {
- /* lock_state == DRX_NOT_LOCKED and timeout */
- done_waiting = true;
- } else {
- if (drxbsp_hst_sleep(10) != 0)
- return -EIO;
- }
- }
-
- return 0;
-}
-
-/*============================================================================*/
-
-/**
-* \brief Determine next frequency to scan.
-* \param demod: Pointer to demodulator instance.
-* \param skip : Minimum frequency step to take.
-* \return int.
-* \retval 0: Succes.
-* \retval -EINVAL: Invalid frequency plan.
-*
-* Helper function for ctrl_scan_next() function.
-* Compute next frequency & index in frequency plan.
-* Check if scan is ready.
-*
-*/
-static int
-scan_prepare_next_scan(struct drx_demod_instance *demod, s32 skip)
-{
- struct drx_common_attr *common_attr = (struct drx_common_attr *) (NULL);
- u16 table_index = 0;
- u16 frequency_plan_size = 0;
- struct drx_frequency_plan *frequency_plan = (struct drx_frequency_plan *) (NULL);
- s32 next_frequency = 0;
- s32 tuner_min_frequency = 0;
- s32 tuner_max_frequency = 0;
-
- common_attr = (struct drx_common_attr *) demod->my_common_attr;
- table_index = common_attr->scan_freq_plan_index;
- frequency_plan = common_attr->scan_param->frequency_plan;
- next_frequency = common_attr->scan_next_frequency;
- tuner_min_frequency = common_attr->tuner_min_freq_rf;
- tuner_max_frequency = common_attr->tuner_max_freq_rf;
-
- do {
- /* Search next frequency to scan */
-
- /* always take at least one step */
- (common_attr->scan_channels_scanned)++;
- next_frequency += frequency_plan[table_index].step;
- skip -= frequency_plan[table_index].step;
-
- /* and then as many steps necessary to exceed 'skip'
- without exceeding end of the band */
- while ((skip > 0) &&
- (next_frequency <= frequency_plan[table_index].last)) {
- (common_attr->scan_channels_scanned)++;
- next_frequency += frequency_plan[table_index].step;
- skip -= frequency_plan[table_index].step;
- }
- /* reset skip, in case we move to the next band later */
- skip = 0;
-
- if (next_frequency > frequency_plan[table_index].last) {
- /* reached end of this band */
- table_index++;
- frequency_plan_size =
- common_attr->scan_param->frequency_plan_size;
- if (table_index >= frequency_plan_size) {
- /* reached end of frequency plan */
- common_attr->scan_ready = true;
- } else {
- next_frequency = frequency_plan[table_index].first;
- }
- }
- if (next_frequency > (tuner_max_frequency)) {
- /* reached end of tuner range */
- common_attr->scan_ready = true;
- }
- } while ((next_frequency < tuner_min_frequency) &&
- (!common_attr->scan_ready));
-
- /* Store new values */
- common_attr->scan_freq_plan_index = table_index;
- common_attr->scan_next_frequency = next_frequency;
-
- return 0;
-}
-
-/*============================================================================*/
-
-/**
-* \brief Default DTV scanning function.
-*
-* \param demod: Pointer to demodulator instance.
-* \param scan_command: Scanning command: INIT, NEXT or STOP.
-* \param scan_channel: Channel to check: frequency and bandwidth, others AUTO
-* \param get_next_channel: Return true if next frequency is desired at next call
-*
-* \return int.
-* \retval 0: Channel found, DRX_CTRL_GET_CHANNEL can be used
-* to retrieve channel parameters.
-* \retval -EBUSY: Channel not found (yet).
-* \retval -EIO: Something went wrong.
-*
-* scan_channel and get_next_channel will be NULL for INIT and STOP.
-*/
-static int
-scan_function_default(void *scan_context,
- enum drx_scan_command scan_command,
- struct drx_channel *scan_channel, bool *get_next_channel)
-{
- struct drx_demod_instance *demod = scan_context;
- int status;
- bool is_locked = false;
-
- /* just return OK if not doing "scan next" */
- if (scan_command != DRX_SCAN_COMMAND_NEXT)
- return 0;
-
- *get_next_channel = false;
-
- status = drx_ctrl(demod, DRX_CTRL_SET_CHANNEL, scan_channel);
- if (status)
- return status;
-
- status = scan_wait_for_lock(demod, &is_locked);
- if (status)
- return status;
-
- /* done with this channel, move to next one */
- *get_next_channel = true;
-
- if (!is_locked)
- return -EBUSY; /* no channel found */
-
- /* channel found */
- return 0;
-}
-
-/*============================================================================*/
-
-/**
-* \brief Initialize for channel scan.
-* \param demod: Pointer to demodulator instance.
-* \param scan_param: Pointer to scan parameters.
-* \return int.
-* \retval 0: Initialized for scan.
-* \retval -EIO: No overlap between frequency plan and tuner
-* range.
-* \retval -EINVAL: Wrong parameters.
-*
-* This function should be called before starting a complete channel scan.
-* It will prepare everything for a complete channel scan.
-* After calling this function the DRX_CTRL_SCAN_NEXT control function can be
-* used to perform the actual scanning. Scanning will start at the first
-* center frequency of the frequency plan that is within the tuner range.
-*
-*/
-static int
-ctrl_scan_init(struct drx_demod_instance *demod, struct drx_scan_param *scan_param)
-{
- struct drx_common_attr *common_attr = (struct drx_common_attr *) (NULL);
- s32 max_tuner_freq = 0;
- s32 min_tuner_freq = 0;
- u16 nr_channels_in_plan = 0;
- u16 i = 0;
- void *scan_context = NULL;
-
- common_attr = (struct drx_common_attr *) demod->my_common_attr;
- common_attr->scan_active = true;
-
- /* invalidate a previous SCAN_INIT */
- common_attr->scan_param = NULL;
- common_attr->scan_next_frequency = 0;
-
- /* Check parameters */
- if (((demod->my_tuner == NULL) &&
- (scan_param->num_tries != 1)) ||
- (scan_param == NULL) ||
- (scan_param->num_tries == 0) ||
- (scan_param->frequency_plan == NULL) ||
- (scan_param->frequency_plan_size == 0)
- ) {
- common_attr->scan_active = false;
- return -EINVAL;
- }
-
- /* Check frequency plan contents */
- max_tuner_freq = common_attr->tuner_max_freq_rf;
- min_tuner_freq = common_attr->tuner_min_freq_rf;
- for (i = 0; i < (scan_param->frequency_plan_size); i++) {
- s32 width = 0;
- s32 step = scan_param->frequency_plan[i].step;
- s32 first_freq = scan_param->frequency_plan[i].first;
- s32 last_freq = scan_param->frequency_plan[i].last;
- s32 min_freq = 0;
- s32 max_freq = 0;
-
- if (step <= 0) {
- /* Step must be positive and non-zero */
- common_attr->scan_active = false;
- return -EINVAL;
- }
-
- if (first_freq > last_freq) {
- /* First center frequency is higher than last center frequency */
- common_attr->scan_active = false;
- return -EINVAL;
- }
-
- width = last_freq - first_freq;
-
- if ((width % step) != 0) {
- /* Difference between last and first center frequency is not
- an integer number of steps */
- common_attr->scan_active = false;
- return -EINVAL;
- }
-
- /* Check if frequency plan entry intersects with tuner range */
- if (last_freq >= min_tuner_freq) {
- if (first_freq <= max_tuner_freq) {
- if (first_freq >= min_tuner_freq) {
- min_freq = first_freq;
- } else {
- s32 n = 0;
-
- n = (min_tuner_freq - first_freq) / step;
- if (((min_tuner_freq - first_freq) % step) != 0)
- n++;
- min_freq = first_freq + n * step;
- }
-
- if (last_freq <= max_tuner_freq) {
- max_freq = last_freq;
- } else {
- s32 n = 0;
-
- n = (last_freq - max_tuner_freq) / step;
- if (((last_freq - max_tuner_freq) % step) != 0)
- n++;
- max_freq = last_freq - n * step;
- }
- }
- }
-
- /* Keep track of total number of channels within tuner range
- in this frequency plan. */
- if ((min_freq != 0) && (max_freq != 0)) {
- nr_channels_in_plan +=
- (u16) (((max_freq - min_freq) / step) + 1);
-
- /* Determine first frequency (within tuner range) to scan */
- if (common_attr->scan_next_frequency == 0) {
- common_attr->scan_next_frequency = min_freq;
- common_attr->scan_freq_plan_index = i;
- }
- }
-
- } /* for ( ... ) */
-
- if (nr_channels_in_plan == 0) {
- /* Tuner range and frequency plan ranges do not overlap */
- common_attr->scan_active = false;
- return -EIO;
- }
-
- /* Store parameters */
- common_attr->scan_ready = false;
- common_attr->scan_max_channels = nr_channels_in_plan;
- common_attr->scan_channels_scanned = 0;
- common_attr->scan_param = scan_param; /* SCAN_NEXT is now allowed */
-
- scan_context = get_scan_context(demod, scan_context);
-
- /*
- * FIXME: Should we really ignore the result of the scan function?
- */
- (*(get_scan_function(demod)))(scan_context, DRX_SCAN_COMMAND_INIT, NULL, NULL);
-
- common_attr->scan_active = false;
-
- return 0;
-}
-
-/*============================================================================*/
-
-/**
-* \brief Stop scanning.
-* \param demod: Pointer to demodulator instance.
-* \return int.
-* \retval 0: Scan stopped.
-* \retval -EIO: Something went wrong.
-* \retval -EINVAL: Wrong parameters.
-*/
-static int ctrl_scan_stop(struct drx_demod_instance *demod)
-{
- int status = -EIO;
- struct drx_common_attr *common_attr = (struct drx_common_attr *) (NULL);
- void *scan_context = NULL;
-
- common_attr = (struct drx_common_attr *) demod->my_common_attr;
- common_attr->scan_active = true;
-
- if ((common_attr->scan_param == NULL) ||
- (common_attr->scan_max_channels == 0)) {
- /* Scan was not running, just return OK */
- common_attr->scan_active = false;
- return 0;
- }
-
- /* Call default or device-specific scanning stop function */
- scan_context = get_scan_context(demod, scan_context);
-
- status = (*(get_scan_function(demod)))
- (scan_context, DRX_SCAN_COMMAND_STOP, NULL, NULL);
-
- /* All done, invalidate scan-init */
- common_attr->scan_param = NULL;
- common_attr->scan_max_channels = 0;
- common_attr->scan_active = false;
-
- return status;
-}
-
-/*============================================================================*/
-
-/**
-* \brief Scan for next channel.
-* \param demod: Pointer to demodulator instance.
-* \param scan_progress: Pointer to scan progress.
-* \return int.
-* \retval 0: Channel found, DRX_CTRL_GET_CHANNEL can be used
-* to retrieve channel parameters.
-* \retval -EBUSY: Tried part of the channels, as specified in
-* num_tries field of scan parameters. At least one
-* more call to DRX_CTRL_SCAN_NEXT is needed to
-* complete scanning.
-* \retval -ERANGE: Reached end of scan range.
-* \retval -EIO: Something went wrong.
-* \retval -EINVAL: Wrong parameters. The scan_progress may be NULL.
-*
-* Progress indication will run from 0 upto DRX_SCAN_MAX_PROGRESS during scan.
-*
-*/
-static int ctrl_scan_next(struct drx_demod_instance *demod, u16 *scan_progress)
-{
- struct drx_common_attr *common_attr = (struct drx_common_attr *) (NULL);
- bool *scan_ready = (bool *)(NULL);
- u16 max_progress = DRX_SCAN_MAX_PROGRESS;
- u32 num_tries = 0;
- u32 i = 0;
-
- common_attr = (struct drx_common_attr *) demod->my_common_attr;
-
- /* Check scan parameters */
- if (scan_progress == NULL) {
- common_attr->scan_active = false;
- return -EINVAL;
- }
-
- *scan_progress = 0;
- common_attr->scan_active = true;
- if ((common_attr->scan_param == NULL) ||
- (common_attr->scan_max_channels == 0)) {
- /* ctrl_scan_init() was not called succesfully before ctrl_scan_next() */
- common_attr->scan_active = false;
- return -EIO;
- }
-
- *scan_progress = (u16) (((common_attr->scan_channels_scanned) *
- ((u32) (max_progress))) /
- (common_attr->scan_max_channels));
-
- /* Scan */
- num_tries = common_attr->scan_param->num_tries;
- scan_ready = &(common_attr->scan_ready);
-
- for (i = 0; ((i < num_tries) && (!(*scan_ready))); i++) {
- struct drx_channel scan_channel = { 0 };
- int status = -EIO;
- struct drx_frequency_plan *freq_plan = (struct drx_frequency_plan *) (NULL);
- bool next_channel = false;
- void *scan_context = NULL;
-
- /* Next channel to scan */
- freq_plan =
- &(common_attr->scan_param->
- frequency_plan[common_attr->scan_freq_plan_index]);
- scan_channel.frequency = common_attr->scan_next_frequency;
- scan_channel.bandwidth = freq_plan->bandwidth;
- scan_channel.mirror = DRX_MIRROR_AUTO;
- scan_channel.constellation = DRX_CONSTELLATION_AUTO;
- scan_channel.hierarchy = DRX_HIERARCHY_AUTO;
- scan_channel.priority = DRX_PRIORITY_HIGH;
- scan_channel.coderate = DRX_CODERATE_AUTO;
- scan_channel.guard = DRX_GUARD_AUTO;
- scan_channel.fftmode = DRX_FFTMODE_AUTO;
- scan_channel.classification = DRX_CLASSIFICATION_AUTO;
- scan_channel.symbolrate = 0;
- scan_channel.interleavemode = DRX_INTERLEAVEMODE_AUTO;
- scan_channel.ldpc = DRX_LDPC_AUTO;
- scan_channel.carrier = DRX_CARRIER_AUTO;
- scan_channel.framemode = DRX_FRAMEMODE_AUTO;
- scan_channel.pilot = DRX_PILOT_AUTO;
-
- /* Call default or device-specific scanning function */
- scan_context = get_scan_context(demod, scan_context);
-
- status = (*(get_scan_function(demod)))
- (scan_context, DRX_SCAN_COMMAND_NEXT, &scan_channel,
- &next_channel);
-
- /* Proceed to next channel if requested */
- if (next_channel) {
- int next_status = -EIO;
- s32 skip = 0;
-
- if (status == 0) {
- /* a channel was found, so skip some frequency steps */
- skip = common_attr->scan_param->skip;
- }
- next_status = scan_prepare_next_scan(demod, skip);
-
- /* keep track of progress */
- *scan_progress =
- (u16) (((common_attr->scan_channels_scanned) *
- ((u32) (max_progress))) /
- (common_attr->scan_max_channels));
-
- if (next_status != 0) {
- common_attr->scan_active = false;
- return next_status;
- }
- }
- if (status != -EBUSY) {
- /* channel found or error */
- common_attr->scan_active = false;
- return status;
- }
- } /* for ( i = 0; i < ( ... num_tries); i++) */
-
- if ((*scan_ready)) {
- /* End of scan reached: call stop-scan, ignore any error */
- ctrl_scan_stop(demod);
- common_attr->scan_active = false;
- return -ERANGE;
- }
-
- common_attr->scan_active = false;
-
- return -EBUSY;
-}
-
-#endif /* #ifndef DRX_EXCLUDE_SCAN */
-
-/*============================================================================*/
-
-/**
-* \brief Program tuner.
-* \param demod: Pointer to demodulator instance.
-* \param tunerChannel: Pointer to tuning parameters.
-* \return int.
-* \retval 0: Tuner programmed successfully.
-* \retval -EIO: Something went wrong.
-* \retval -EINVAL: Wrong parameters.
-*
-* tunerChannel passes parameters to program the tuner,
-* but also returns the actual RF and IF frequency from the tuner.
-*
-*/
-static int
-ctrl_program_tuner(struct drx_demod_instance *demod, struct drx_channel *channel)
-{
- struct drx_common_attr *common_attr = (struct drx_common_attr *) (NULL);
- enum drx_standard standard = DRX_STANDARD_UNKNOWN;
- u32 tuner_mode = 0;
- int status = -EIO;
- s32 if_frequency = 0;
- bool tuner_slow_mode = false;
-
- /* can't tune without a tuner */
- if (demod->my_tuner == NULL)
- return -EINVAL;
-
- common_attr = demod->my_common_attr;
-
- /* select analog or digital tuner mode based on current standard */
- if (drx_ctrl(demod, DRX_CTRL_GET_STANDARD, &standard))
- return -EIO;
-
- if (DRX_ISATVSTD(standard))
- tuner_mode |= TUNER_MODE_ANALOG;
- else
-
- tuner_mode |= TUNER_MODE_DIGITAL; /* also for unknown standard */
-
- /* select tuner bandwidth */
- switch (channel->bandwidth) {
- case DRX_BANDWIDTH_6MHZ:
- tuner_mode |= TUNER_MODE_6MHZ;
- break;
- case DRX_BANDWIDTH_7MHZ:
- tuner_mode |= TUNER_MODE_7MHZ;
- break;
- case DRX_BANDWIDTH_8MHZ:
- tuner_mode |= TUNER_MODE_8MHZ;
- break;
- default: /* note: also for unknown bandwidth */
- return -EINVAL;
- }
-
- tuner_slow_mode = DRX_ATTR_TUNERSLOWMODE(demod);
-
- /* select fast (switch) or slow (lock) tuner mode */
- if (tuner_slow_mode)
- tuner_mode |= TUNER_MODE_LOCK;
- else
- tuner_mode |= TUNER_MODE_SWITCH;
-
- if (common_attr->tuner_port_nr == 1) {
- bool bridge_closed = true;
- int status_bridge = -EIO;
-
- status_bridge = drx_ctrl(demod, DRX_CTRL_I2C_BRIDGE,
- &bridge_closed);
- if (status_bridge)
- return status_bridge;
- }
-
- status = drxbsp_tuner_set_frequency(demod->my_tuner,
- tuner_mode, channel->frequency);
-
- /* attempt restoring bridge before checking status of set_frequency */
- if (common_attr->tuner_port_nr == 1) {
- bool bridge_closed = false;
- int status_bridge = -EIO;
-
- status_bridge =
- drx_ctrl(demod, DRX_CTRL_I2C_BRIDGE, &bridge_closed);
- if (status_bridge)
- return status_bridge;
- }
-
- /* now check status of drxbsp_tuner_set_frequency */
- if (status)
- return status;
-
- /* get actual RF and IF frequencies from tuner */
- status = drxbsp_tuner_get_frequency(demod->my_tuner,
- tuner_mode,
- &(channel->frequency),
- &(if_frequency));
- if (status)
- return status;
-
- /* update common attributes with information available from this function;
- TODO: check if this is required and safe */
- DRX_ATTR_INTERMEDIATEFREQ(demod) = if_frequency;
-
- return 0;
-}
-
-/*============================================================================*/
-
-/**
-* \brief function to do a register dump.
-* \param demod: Pointer to demodulator instance.
-* \param registers: Registers to dump.
-* \return int.
-* \retval 0: Dump executed successfully.
-* \retval -EIO: Something went wrong.
-* \retval -EINVAL: Wrong parameters.
-*
-*/
-static int ctrl_dump_registers(struct drx_demod_instance *demod,
- struct drx_reg_dump *registers)
-{
- u16 i = 0;
-
- if (registers == NULL)
- return -EINVAL; /* registers not supplied */
-
- /* start dumping registers */
- while (registers[i].address) {
- int status = -EIO;
- u16 value = 0;
- u32 data = 0;
-
- status = demod->my_access_funct->read_reg16func(demod->my_i2c_dev_addr,
- registers[i].address,
- &value, 0);
-
- data = (u32) value;
-
- /*
- * On error: no breakouts;
- * depending on device ID, some HW blocks might not be available
- */
- if (status)
- data |= ((u32) status) << 16;
- registers[i].data = data;
- i++;
- }
-
- /* all done, all OK (any errors are saved inside data) */
- return 0;
-}
-
/*============================================================================*/
/*============================================================================*/
/*===Microcode related functions==============================================*/
/*============================================================================*/
/*============================================================================*/
-/**
-* \brief This function is obsolete.
-* \param demods: Don't care, parameter is ignored.
-* \return int Return status.
-* \retval 0: Initialization completed.
-*
-* This function is obsolete, prototype available for backward compatability.
-*
-*/
-
-int drx_init(struct drx_demod_instance *demods[])
-{
- return 0;
-}
-
-/*============================================================================*/
-
-/**
-* \brief This function is obsolete.
-* \return int Return status.
-* \retval 0: Terminated driver successful.
-*
-* This function is obsolete, prototype available for backward compatability.
-*
-*/
-
-int drx_term(void)
-{
- return 0;
-}
-
-/*============================================================================*/
-
/**
* \brief Open a demodulator instance.
* \param demod: A pointer to a demodulator instance.
}
break;
-#ifndef DRX_EXCLUDE_SCAN
- /*===================================================================*/
- case DRX_CTRL_SCAN_INIT:
- {
- return ctrl_scan_init(demod,
- (struct drx_scan_param *) ctrl_data);
- }
- break;
-
- /*===================================================================*/
- case DRX_CTRL_SCAN_NEXT:
- {
- return ctrl_scan_next(demod, (u16 *)ctrl_data);
- }
- break;
-
- /*===================================================================*/
- case DRX_CTRL_SCAN_STOP:
- {
- return ctrl_scan_stop(demod);
- }
- break;
-#endif /* #ifndef DRX_EXCLUDE_SCAN */
-
- /*===================================================================*/
- case DRX_CTRL_PROGRAM_TUNER:
- {
- return ctrl_program_tuner(demod,
- (struct drx_channel *)
- ctrl_data);
- }
- break;
-
- /*===================================================================*/
- case DRX_CTRL_DUMP_REGISTERS:
- {
- return ctrl_dump_registers(demod,
- (struct drx_reg_dump *)
- ctrl_data);
- }
- break;
-
/*===================================================================*/
default:
+ pr_err("control %d not supported\n", ctrl);
return -ENOTSUPP;
}
} else {
projects / linux-beck.git / commitdiff