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([2600:8803:e7e4:1d00:b1ed:e5d7:8ea6:40e0]) by smtp.gmail.com with ESMTPSA id 006d021491bc7-607e7d11e1bsm324509eaf.10.2025.05.01.16.52.09 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 01 May 2025 16:52:10 -0700 (PDT) Message-ID: <741acf06-72b8-41e6-88ef-048273c3da26@baylibre.com> Date: Thu, 1 May 2025 18:52:08 -0500 Precedence: bulk X-Mailing-List: linux-input@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] HID: sensor-hub: Fix typo and improve documentation for sensor_hub_remove_callback() To: chelsy ratnawat Cc: jikos@kernel.org, jic23@kernel.org, srinivas.pandruvada@linux.intel.com, bentiss@kernel.org, linux-input@vger.kernel.org, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org References: <20250430182300.122896-1-chelsyratnawat2001@gmail.com> <1f8de7bd-7049-4933-82e3-8ce71685998e@baylibre.com> From: David Lechner Content-Language: en-US In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit On 5/1/25 6:33 PM, chelsy ratnawat wrote: > Hi,  Watch out for HTML mail! The mailing list and other automated tools will reject it, so some people won't see the whole conversation. > Thanks for the feedback. Regarding your comments: > > On Thu, May 1, 2025 at 12:47 AM David Lechner > wrote: > > On 4/30/25 1:23 PM, Chelsy Ratnawat wrote: > > Fixed a typo in "registered" and improved grammar for better readability > > and consistency with kernel-doc standards. No functional changes. > > > > Signed-off-by: Chelsy Ratnawat > > > --- > >  include/linux/hid-sensor-hub.h | 7 ++++--- > >  1 file changed, 4 insertions(+), 3 deletions(-) > > > > diff --git a/include/linux/hid-sensor-hub.h b/include/linux/hid-sensor-hub.h > > index c27329e2a5ad..5d2ac79429d4 100644 > > --- a/include/linux/hid-sensor-hub.h > > +++ b/include/linux/hid-sensor-hub.h > > @@ -130,10 +130,11 @@ int sensor_hub_register_callback(struct hid_sensor_hub_device *hsdev, > >  /** > >  * sensor_hub_remove_callback() - Remove client callbacks > > This says "callbacks", so is it possible to have more than one registered at a > time? > >     >    Regarding the use of "callback" instead of "callbacks", what I understand is-  >    - The function `sensor_hub_register_callback()` ensures that only one callback is registered for each `(hsdev, usage_id)` pair. If another callback is registered for the same `(hsdev, usage_id)`, it returns `-EINVAL`. >    - Therefore, `sensor_hub_remove_callback()` is designed to remove that single registered callback for a given `(hsdev, usage_id)` pair. The function does not need to handle multiple callbacks for the same pair, as only one >      callback is registered at a time.  >      >    Please let me know if my understanding is correct, or if you have any additional feedback or suggestions. Based on the reply from Srinivas, it sounds like you understand correctly.