diff options
| author | Anupam Roy <anupam.roy@stericsson.com> | 2012-02-06 10:25:38 +0530 |
|---|---|---|
| committer | Philippe Langlais <philippe.langlais@stericsson.com> | 2012-05-22 11:06:03 +0200 |
| commit | 7433881f47bafb6cb765a8e3b1e422449ac9d2ea (patch) | |
| tree | 58c138700b1093fe03246f54c3eb73127da7d6f8 /drivers/media/radio/CG2900/cg2900_fm_driver.h | |
| parent | d49bd9347fcf6da0addeb8b36aeb13dceeecfa72 (diff) | |
CG2900 FM Radio: Implement FMR_RP_Stereo_SetControl_BlendingRSSI
This implementation controls the stereo-threshold level
by adjusting the min and max RSSI levels. The threshold for
switching is optimized(lowered), which was by default
a bit too high.
ST-Ericsson Linux next: NA
ST-Ericsson ID: 410120
ST-Ericsson FOSS-OUT ID: Trivial
Change-Id: I35e4202de8066dff80f371285eb298caa23b9656
Signed-off-by: Anupam Roy <anupam.roy@stericsson.com>
Change-Id: Ibcec6ec65aef6f324810504415b530564ac942b2
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/49998
Reviewed-by: Anurag GUPTA-1 <anurag.gupta@stericsson.com>
Reviewed-by: Hemant GUPTA <hemant.gupta@stericsson.com>
Diffstat (limited to 'drivers/media/radio/CG2900/cg2900_fm_driver.h')
| -rw-r--r-- | drivers/media/radio/CG2900/cg2900_fm_driver.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/media/radio/CG2900/cg2900_fm_driver.h b/drivers/media/radio/CG2900/cg2900_fm_driver.h index b1ddda5f5a8..55ff60035c9 100644 --- a/drivers/media/radio/CG2900/cg2900_fm_driver.h +++ b/drivers/media/radio/CG2900/cg2900_fm_driver.h @@ -140,6 +140,12 @@ enum fmd_debug_levels { * This is just a hexadecimal number with no units. */ #define DEFAULT_PEAK_NOISE_VALUE 0x0035 +/* Defines the RF level (at the antenna pin) at which the stereo blending + * function will stop limiting the channel separation */ +#define STEREO_BLENDING_MIN_RSSI 0x0005 +/* Defines the RF level (at the antenna pin) at which the stereo blending + * function will start limiting the channel separation */ +#define STEREO_BLENDING_MAX_RSSI 0x0100 /* * Default Average Noise level for a channel to be considered valid for CG2900. * This is just a hexadecimal number with no units. @@ -186,6 +192,7 @@ enum fmd_debug_levels { #define CMD_FMR_RP_GET_RSSI 0x0083 #define CMD_FMR_RP_GET_STATE 0x0063 #define CMD_FMR_RP_STEREO_SET_MODE 0x0123 +#define CMD_FMR_RP_STEREO_SET_CONTROL_BLENDING_RSSI 0x0143 #define CMD_FMR_SET_ANTENNA 0x0663 #define CMD_FMR_SP_AF_SWITCH_GET_RESULT 0x0603 #define CMD_FMR_SP_AF_SWITCH_START 0x04A3 @@ -244,6 +251,7 @@ enum fmd_debug_levels { #define CMD_SP_TUNE_GET_CHANNEL_PARAM_LEN 0 #define CMD_SP_TUNE_GET_CHANNEL_RSP_PARAM_LEN 1 #define CMD_RP_STEREO_SET_MODE_PARAM_LEN 1 +#define CMD_RP_STEREO_SET_CONTROL_BLENDING_RSSI_PARAM_LEN 2 #define CMD_RP_GET_RSSI_PARAM_LEN 0 #define CMD_RP_GET_RSSI_RSP_PARAM_LEN 1 #define CMD_RP_GET_STATE_PARAM_LEN 0 @@ -800,6 +808,26 @@ int fmd_rx_set_stereo_mode( ); /** + * fmd_rx_set_stereo_ctrl_blending_rssi() - Sets the stereo blending control setting. + * + * @min_rssi: Defines the RF level (at the antenna pin) at which the stereo blending + * function will stop limiting the channel separation + * @max_rssi: Defines the RF level (at the antenna pin) at which the stereo blending + * function will start limiting the channel separation. + * + * Returns: + * 0, if no error. + * -EINVAL, if parameter is invalid. + * -ENOEXEC, if preconditions are violated. + * -EBUSY, if FM Driver is not in idle state. + * -EINVAL, if wrong response received from chip. + */ +int fmd_rx_set_stereo_ctrl_blending_rssi( + u16 min_rssi, + u16 max_rssi + ); + +/** * fmd_rx_get_stereo_mode() - Gets the currently used FM mode. * * FMD_STEREOMODE_MONO, FMD_STEREOMODE_STEREO and |