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usb: typec: fusb302: Fold fusb302_set_cc_pull into tcpm_set_cc
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After the recent cleanups, tcpm_set_cc is the only caller of
fusb302_set_cc_pull, fold fusb302_set_cc_pull directly into
tcpm_set_cc for a nice cleanup.

Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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jwrdegoede authored and gregkh committed Mar 19, 2019
1 parent daf81d0 commit 4995bb1
Showing 1 changed file with 13 additions and 38 deletions.
51 changes: 13 additions & 38 deletions drivers/usb/typec/tcpm/fusb302.c
Original file line number Diff line number Diff line change
Expand Up @@ -518,31 +518,6 @@ static int tcpm_get_current_limit(struct tcpc_dev *dev)
return current_limit;
}

static int fusb302_set_cc_pull(struct fusb302_chip *chip,
bool pull_up, bool pull_down)
{
int ret = 0;
u8 data = 0x00;
u8 mask = FUSB_REG_SWITCHES0_CC1_PU_EN |
FUSB_REG_SWITCHES0_CC2_PU_EN |
FUSB_REG_SWITCHES0_CC1_PD_EN |
FUSB_REG_SWITCHES0_CC2_PD_EN;

if (pull_up)
data |= (chip->cc_polarity == TYPEC_POLARITY_CC1) ?
FUSB_REG_SWITCHES0_CC1_PU_EN :
FUSB_REG_SWITCHES0_CC2_PU_EN;
if (pull_down)
data |= FUSB_REG_SWITCHES0_CC1_PD_EN |
FUSB_REG_SWITCHES0_CC2_PD_EN;
ret = fusb302_i2c_mask_write(chip, FUSB_REG_SWITCHES0,
mask, data);
if (ret < 0)
return ret;

return ret;
}

static int fusb302_set_src_current(struct fusb302_chip *chip,
enum src_current_status status)
{
Expand Down Expand Up @@ -674,27 +649,30 @@ static int tcpm_set_cc(struct tcpc_dev *dev, enum typec_cc_status cc)
{
struct fusb302_chip *chip = container_of(dev, struct fusb302_chip,
tcpc_dev);
u8 switches0_mask = FUSB_REG_SWITCHES0_CC1_PU_EN |
FUSB_REG_SWITCHES0_CC2_PU_EN |
FUSB_REG_SWITCHES0_CC1_PD_EN |
FUSB_REG_SWITCHES0_CC2_PD_EN;
u8 switches0_data = 0x00;
int ret = 0;
bool pull_up, pull_down;
enum toggling_mode mode;

mutex_lock(&chip->lock);
switch (cc) {
case TYPEC_CC_OPEN:
pull_up = false;
pull_down = false;
mode = TOGGLING_MODE_OFF;
break;
case TYPEC_CC_RD:
pull_up = false;
pull_down = true;
switches0_data |= FUSB_REG_SWITCHES0_CC1_PD_EN |
FUSB_REG_SWITCHES0_CC2_PD_EN;
mode = TOGGLING_MODE_SNK;
break;
case TYPEC_CC_RP_DEF:
case TYPEC_CC_RP_1_5:
case TYPEC_CC_RP_3_0:
pull_up = true;
pull_down = false;
switches0_data |= (chip->cc_polarity == TYPEC_POLARITY_CC1) ?
FUSB_REG_SWITCHES0_CC1_PU_EN :
FUSB_REG_SWITCHES0_CC2_PU_EN;
mode = TOGGLING_MODE_SRC;
break;
default:
Expand All @@ -706,13 +684,10 @@ static int tcpm_set_cc(struct tcpc_dev *dev, enum typec_cc_status cc)

fusb302_log(chip, "cc := %s", typec_cc_status_name[cc]);

ret = fusb302_set_cc_pull(chip, pull_up, pull_down);
ret = fusb302_i2c_mask_write(chip, FUSB_REG_SWITCHES0,
switches0_mask, switches0_data);
if (ret < 0) {
fusb302_log(chip,
"cannot set cc pulling up %s, down %s, ret = %d",
pull_up ? "True" : "False",
pull_down ? "True" : "False",
ret);
fusb302_log(chip, "cannot set pull-up/-down, ret = %d", ret);
goto done;
}
/* reset the cc status */
Expand Down

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