Merge "tusb1064: enable usb3.1 mode" (b0bc7c6d) · Commits · e / devices / android_kernel_fairphone_FP3

drivers/misc/tusb1064.c

+47 −19

Original line number	Diff line number	Diff line
		@@ -34,6 +34,7 @@ struct tusb1064 {
		};

		static struct tusb1064 *pdata;
		static bool standalone_mode;

		static int tusb1064_read(struct i2c_client client, u8 reg, char buf, u32 size)
		{
		@@ -129,11 +130,16 @@ static int tusb1064_probe(struct i2c_client *client,
		/written usb sideEnable 4-lane DP with FLip and enable EQ_OVERRIDe /
		/tusb1064_write(pdata, 0x0A, 0x12); /

		/Enable 4-lane DP with FLip and enable EQ_OVERRIDe /
		if (standalone_mode) {
		/Enable 3.1 USB, no DP /
		if (tusb1064_write(pdata->i2c_client, 0x0A, 0x01) < 0)
		goto fail;
		} else {
		/Enable 4-lane DP with Flip and enable EQ_OVERRIDe /
		if (tusb1064_write(pdata->i2c_client, 0x0A, 0x02) < 0)
		goto fail;

		pr_debug("%s setting SBU1 to AUXN and SBU2 to AUXP\n", __func__);
		pr_debug("%s setting SBU1 to AUXN, SBU2 to AUXP\n", __func__);
		/AUXn->SBU2, AUXp->SBU1 /
		if (tusb1064_write(pdata->i2c_client, 0x13, 0x1F) < 0)
		goto fail;
		@@ -147,7 +153,7 @@ static int tusb1064_probe(struct i2c_client *client,
		goto fail;
		//pr_err("setting SBU1 to AUXp and SBU2 to AUXN\n");
		//tusb1064_write(pdata, 0x13, 0x8F);//Enable 4-lane DP

		}
		tusb1064_read(pdata->i2c_client, 0x0A, buf, 2);
		tusb1064_read(pdata->i2c_client, 0x13, buf, 2);
		tusb1064_read(pdata->i2c_client, 0x10, buf, 2);
		@@ -203,6 +209,28 @@ static struct i2c_driver tusb1064_i2c_driver = {
		},
		.id_table = tusb1064_id_table,
		};

		static int __init tusb1064_init(void)
		{
		char *cmdline;

		cmdline = strnstr(boot_command_line,
		"msm_drm.dsi_display0=dsi_sim_vid_display",
		strlen(boot_command_line));
		if (cmdline) {
		pr_debug("%s tethered mode cmdline:%s\n",
		__func__, cmdline);
		standalone_mode = false;
		} else {
		pr_debug("%s standalone mode cmdline:%s\n",
		__func__, cmdline);
		standalone_mode = true;
		}

		return 0;
		}

		device_initcall(tusb1064_init);
		module_i2c_driver(tusb1064_i2c_driver);
		MODULE_DEVICE_TABLE(i2c, tusb1064_id_table);
		MODULE_DESCRIPTION("TUSB1064 USB Bridge");