staging: typec: fusb302: Set max supply voltage to 5V
authorHans de Goede <hdegoede@redhat.com>
Wed, 30 Aug 2017 09:48:06 +0000 (11:48 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 31 Aug 2017 16:23:12 +0000 (18:23 +0200)
Anything higher then 5V may damage hardware not capable of it, so
the only sane default here is 5V. If a board is able to handle a
higher voltage that should come from board specific data such as
device-tree and not be hard coded into the fusb302 code.

Cc: "Yueyao (Nathan) Zhu" <yueyao@google.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/typec/fusb302/fusb302.c

index 03a3809..6baed06 100644 (file)
@@ -1187,9 +1187,9 @@ static const struct tcpc_config fusb302_tcpc_config = {
        .nr_src_pdo = ARRAY_SIZE(src_pdo),
        .snk_pdo = snk_pdo,
        .nr_snk_pdo = ARRAY_SIZE(snk_pdo),
-       .max_snk_mv = 9000,
+       .max_snk_mv = 5000,
        .max_snk_ma = 3000,
-       .max_snk_mw = 27000,
+       .max_snk_mw = 15000,
        .operating_snk_mw = 2500,
        .type = TYPEC_PORT_DRP,
        .default_role = TYPEC_SINK,