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Thu, 19 Sep 2019 00:38:35 -0700 (PDT) Received: from pi3 ([194.230.155.145]) by smtp.googlemail.com with ESMTPSA id t203sm6892411wmf.42.2019.09.19.00.38.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 19 Sep 2019 00:38:34 -0700 (PDT) Date: Thu, 19 Sep 2019 09:38:32 +0200 From: Krzysztof Kozlowski To: Sylwester Nawrocki Subject: Re: [PATCH v1 1/9] ASoC: wm8994: Do not register inapplicable controls for WM1811 Message-ID: <20190919073832.GA13195@pi3> References: <20190918104634.15216-1-s.nawrocki@samsung.com> <20190918104634.15216-2-s.nawrocki@samsung.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20190918104634.15216-2-s.nawrocki@samsung.com> User-Agent: Mutt/1.12.1 (2019-06-15) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190919_003837_469564_A0D73236 X-CRM114-Status: GOOD ( 14.84 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, alsa-devel@alsa-project.org, linux-samsung-soc@vger.kernel.org, ckeepax@opensource.cirrus.com, b.zolnierkie@samsung.com, sbkim73@samsung.com, patches@opensource.cirrus.com, lgirdwood@gmail.com, robh+dt@kernel.org, broonie@kernel.org, linux-arm-kernel@lists.infradead.org, m.szyprowski@samsung.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Sep 18, 2019 at 12:46:26PM +0200, Sylwester Nawrocki wrote: > In case of WM1811 device there are currently being registered controls > referring to registers not existing on that device. > It has been noticed when getting values of "AIF1ADC2 Volume", "AIF1DAC2 > Volume" controls was failing during ALSA state restoring at boot time: > "amixer: Mixer hw:0 load error: Device or resource busy" > > Reading some registers through I2C was failing with EBUSY error and indeed > those registers were not available according to the datasheet. > > To fix this controls not available on WM1811 are moved to a separate array > and registered only for WM8994 and WM8958. > > There are some further differences between WM8994 and WM1811, e.g. registers > 603h, 604h, 605h, which are not covered in this patch. > > Signed-off-by: Sylwester Nawrocki > --- > sound/soc/codecs/wm8994.c | 43 +++++++++++++++++++++++---------------- > 1 file changed, 26 insertions(+), 17 deletions(-) Acked-by: Krzysztof Kozlowski Best regards, Krzysztof _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel