usb: usb251xb: Add 5,6,7 ports boost settings
USB electrical signaling drive strength boost bit is also supported by USB2517 hub. Since it got three addition ports, the designers needed to add one more register for initialization. It turned out to be formerly reserved 0xF7. As before we just initialize it with default zeros. Signed-off-by: Serge Semin <fancer.lancer@gmail.com> Acked-by: Richard Leitner <richard.leitner@skidata.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -94,8 +94,10 @@
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#define USB251XB_ADDR_BOOST_UP 0xF6
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#define USB251XB_DEF_BOOST_UP 0x00
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#define USB251XB_ADDR_BOOST_X 0xF8
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#define USB251XB_DEF_BOOST_X 0x00
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#define USB251XB_ADDR_BOOST_57 0xF7
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#define USB251XB_DEF_BOOST_57 0x00
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#define USB251XB_ADDR_BOOST_14 0xF8
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#define USB251XB_DEF_BOOST_14 0x00
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#define USB251XB_ADDR_PORT_SWAP 0xFA
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#define USB251XB_DEF_PORT_SWAP 0x00
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@ -148,7 +150,8 @@ struct usb251xb {
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char serial[USB251XB_STRING_BUFSIZE];
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u8 bat_charge_en;
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u8 boost_up;
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u8 boost_x;
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u8 boost_57;
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u8 boost_14;
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u8 port_swap;
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u8 port_map12;
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u8 port_map34;
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@ -279,7 +282,8 @@ static int usb251xb_connect(struct usb251xb *hub)
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USB251XB_STRING_BUFSIZE);
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i2c_wb[USB251XB_ADDR_BATTERY_CHARGING_ENABLE] = hub->bat_charge_en;
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i2c_wb[USB251XB_ADDR_BOOST_UP] = hub->boost_up;
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i2c_wb[USB251XB_ADDR_BOOST_X] = hub->boost_x;
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i2c_wb[USB251XB_ADDR_BOOST_57] = hub->boost_57;
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i2c_wb[USB251XB_ADDR_BOOST_14] = hub->boost_14;
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i2c_wb[USB251XB_ADDR_PORT_SWAP] = hub->port_swap;
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i2c_wb[USB251XB_ADDR_PORT_MAP_12] = hub->port_map12;
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i2c_wb[USB251XB_ADDR_PORT_MAP_34] = hub->port_map34;
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@ -519,7 +523,8 @@ static int usb251xb_get_ofdata(struct usb251xb *hub,
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hub->max_current_bp = USB251XB_DEF_MAX_CURRENT_BUS;
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hub->bat_charge_en = USB251XB_DEF_BATTERY_CHARGING_ENABLE;
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hub->boost_up = USB251XB_DEF_BOOST_UP;
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hub->boost_x = USB251XB_DEF_BOOST_X;
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hub->boost_57 = USB251XB_DEF_BOOST_57;
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hub->boost_14 = USB251XB_DEF_BOOST_14;
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hub->port_swap = USB251XB_DEF_PORT_SWAP;
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hub->port_map12 = USB251XB_DEF_PORT_MAP_12;
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hub->port_map34 = USB251XB_DEF_PORT_MAP_34;
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