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extcon: intel-cht-wc: Refactor cht_wc_extcon_get_charger()

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This is a preparation patch for adding support for registering
a power_supply class device.

Setting usbsrc to "CHT_WC_USBSRC_TYPE_SDP << CHT_WC_USBSRC_TYPE_SHIFT"
will make the following switch-case return EXTCON_CHG_USB_SDP
just as before, so there is no functional change.

Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
This commit is contained in:
Hans de Goede 2022-02-01 14:07:04 +01:00 committed by Sebastian Reichel
parent b7fa2cd357
commit 73b5ae3415
1 changed files with 8 additions and 7 deletions
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15
drivers/extcon/extcon-intel-cht-wc.c
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@ -153,14 +153,15 @@ static int cht_wc_extcon_get_charger(struct cht_wc_extcon_data *ext,
} while (time_before(jiffies, timeout));
if (status != CHT_WC_USBSRC_STS_SUCCESS) {
if (ignore_errors)
return EXTCON_CHG_USB_SDP; /* Save fallback */
if (!ignore_errors) {
if (status == CHT_WC_USBSRC_STS_FAIL)
dev_warn(ext->dev, "Could not detect charger type\n");
else
dev_warn(ext->dev, "Timeout detecting charger type\n");
}
if (status == CHT_WC_USBSRC_STS_FAIL)
dev_warn(ext->dev, "Could not detect charger type\n");
else
dev_warn(ext->dev, "Timeout detecting charger type\n");
return EXTCON_CHG_USB_SDP; /* Save fallback */
/* Safe fallback */
usbsrc = CHT_WC_USBSRC_TYPE_SDP << CHT_WC_USBSRC_TYPE_SHIFT;
}
usbsrc = (usbsrc & CHT_WC_USBSRC_TYPE_MASK) >> CHT_WC_USBSRC_TYPE_SHIFT;