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[35.227.180.227]) by smtp.gmail.com with UTF8SMTPSA id d9443c01a7336-215f8efcc70sm33915095ad.167.2024.12.06.15.38.47 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 06 Dec 2024 15:38:47 -0800 (PST) From: Abhishek Pandit-Subedi To: heikki.krogerus@linux.intel.com, tzungbi@kernel.org, linux-usb@vger.kernel.org, chrome-platform@lists.linux.dev Cc: akuchynski@google.com, pmalani@chromium.org, jthies@google.com, dmitry.baryshkov@linaro.org, badhri@google.com, rdbabiera@google.com, Abhishek Pandit-Subedi , Greg Kroah-Hartman , linux-kernel@vger.kernel.org Subject: [PATCH v4 3/7] usb: typec: Print err when displayport fails to enter Date: Fri, 6 Dec 2024 15:38:14 -0800 Message-ID: <20241206153813.v4.3.I6cff9d767b0f8ab6458d8940941e42c920902d49@changeid> X-Mailer: git-send-email 2.47.0.338.g60cca15819-goog In-Reply-To: <20241206233830.2401638-1-abhishekpandit@chromium.org> References: <20241206233830.2401638-1-abhishekpandit@chromium.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Print the error reason for typec_altmode_enter so users can understand why displayport failed to enter. Signed-off-by: Abhishek Pandit-Subedi --- (no changes since v1) drivers/usb/typec/altmodes/displayport.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/usb/typec/altmodes/displayport.c b/drivers/usb/typec/a= ltmodes/displayport.c index 3245e03d59e6..e292780ec309 100644 --- a/drivers/usb/typec/altmodes/displayport.c +++ b/drivers/usb/typec/altmodes/displayport.c @@ -252,7 +252,8 @@ static void dp_altmode_work(struct work_struct *work) case DP_STATE_ENTER: ret =3D typec_altmode_enter(dp->alt, NULL); if (ret && ret !=3D -EBUSY) - dev_err(&dp->alt->dev, "failed to enter mode\n"); + dev_err(&dp->alt->dev, "failed to enter mode: %d\n", + ret); break; case DP_STATE_ENTER_PRIME: ret =3D typec_cable_altmode_enter(dp->alt, TYPEC_PLUG_SOP_P, NULL); --=20 2.47.0.338.g60cca15819-goog