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Commit 3513a01c authored by Tatenda Chipeperekwa's avatar Tatenda Chipeperekwa
Browse files

drivers: soc: qcom: fix FSA4480 settings for DisplayPort orientation 



Fix the programming of the FSA4480 switch to enable DisplayPort
functionality based on orientation changes on the USB-C plug.

Change-Id: Id065b8ad4bc96d011549ff44a40b514671f5c4c0
Signed-off-by: default avatarTatenda Chipeperekwa <tatendac@codeaurora.org>
parent cb4febf1

drivers/soc/qcom/fsa4480-i2c.c

+19 −4
Original line number Diff line number Diff line
@@ -21,6 +21,7 @@ 


#define FSA4480_SWITCH_SETTINGS 0x04

#define FSA4480_SWITCH_CONTROL  0x05

#define FSA4480_SWITCH_STATUS1  0x07

#define FSA4480_SLOW_L          0x08

#define FSA4480_SLOW_R          0x09

#define FSA4480_SLOW_MIC        0x0A
@@ -198,6 +199,20 @@ int fsa4480_unreg_notifier(struct notifier_block *nb, 
}

EXPORT_SYMBOL(fsa4480_unreg_notifier);



static int fsa4480_validate_display_port_settings(struct fsa4480_priv *fsa_priv)

{

	u32 switch_status = 0;



	regmap_read(fsa_priv->regmap, FSA4480_SWITCH_STATUS1, &switch_status);



	if ((switch_status != 0x23) && (switch_status != 0x1C)) {

		pr_err("AUX SBU1/2 switch status is invalid = %u\n",

				switch_status);

		return -EIO;

	}



	return 0;

}

/*

 * fsa4480_switch_event - configure FSA switch position based on event

 *
@@ -233,11 +248,11 @@ int fsa4480_switch_event(struct device_node *node, 
		fsa4480_usbc_update_settings(fsa_priv, switch_control, 0x9F);

		break;

	case FSA_USBC_ORIENTATION_CC1:

		fsa4480_usbc_update_settings(fsa_priv, 0x78, 0xF8);

		break;

		fsa4480_usbc_update_settings(fsa_priv, 0x00, 0xE0);

		return fsa4480_validate_display_port_settings(fsa_priv);

	case FSA_USBC_ORIENTATION_CC2:

		fsa4480_usbc_update_settings(fsa_priv, 0x18, 0xF8);

		break;

		fsa4480_usbc_update_settings(fsa_priv, 0x60, 0xE0);

		return fsa4480_validate_display_port_settings(fsa_priv);

	default:

		break;

	}