From: Alex Riesen <alexander.riesen@cetitec.com> To: Kieran Bingham <kieran.bingham@ideasonboard.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org>, Mauro Carvalho Chehab <mchehab@kernel.org>, Hans Verkuil <hverkuil-cisco@xs4all.nl>, "Laurent Pinchart" <laurent.pinchart@ideasonboard.com>, Rob Herring <robh+dt@kernel.org>, Mark Rutland <mark.rutland@arm.com>, Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>, <devel@driverdev.osuosl.org>, <linux-media@vger.kernel.org>, <linux-kernel@vger.kernel.org>, <devicetree@vger.kernel.org>, <linux-renesas-soc@vger.kernel.org> Subject: [PATCH v5 7/9] media: adv748x: only activate DAI if it is described in device tree Date: Thu, 2 Apr 2020 20:34:59 +0200 [thread overview] Message-ID: <c3c8ece14c0fbc987dc201c9b61dd22d98f83056.1585852001.git.alexander.riesen@cetitec.com> (raw) In-Reply-To: <cover.1585852001.git.alexander.riesen@cetitec.com> To avoid setting it up even if the hardware is not actually connected to anything physically. Besides, the bindings explicitly notes that port definitions are "optional if they are not connected to anything at the hardware level". Signed-off-by: Alexander Riesen <alexander.riesen@cetitec.com> --- drivers/media/i2c/adv748x/adv748x-dai.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/media/i2c/adv748x/adv748x-dai.c b/drivers/media/i2c/adv748x/adv748x-dai.c index 185f78023e91..f9cc47fa9ad1 100644 --- a/drivers/media/i2c/adv748x/adv748x-dai.c +++ b/drivers/media/i2c/adv748x/adv748x-dai.c @@ -216,6 +216,11 @@ int adv748x_dai_init(struct adv748x_dai *dai) int ret; struct adv748x_state *state = adv748x_dai_to_state(dai); + if (!state->endpoints[ADV748X_PORT_I2S]) { + adv_info(state, "no I2S port, DAI disabled\n"); + ret = 0; + goto fail; + } dai->mclk_name = kasprintf(GFP_KERNEL, "%s.%s-i2s-mclk", state->dev->driver->name, dev_name(state->dev)); -- 2.25.1.25.g9ecbe7eb18
WARNING: multiple messages have this Message-ID (diff)
From: Alex Riesen <alexander.riesen@cetitec.com> To: Kieran Bingham <kieran.bingham@ideasonboard.com> Cc: Mark Rutland <mark.rutland@arm.com>, devel@driverdev.osuosl.org, Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Rob Herring <robh+dt@kernel.org>, Geert Uytterhoeven <geert@linux-m68k.org>, Laurent Pinchart <laurent.pinchart@ideasonboard.com>, Hans Verkuil <hverkuil-cisco@xs4all.nl>, Mauro Carvalho Chehab <mchehab@kernel.org>, linux-media@vger.kernel.org Subject: [PATCH v5 7/9] media: adv748x: only activate DAI if it is described in device tree Date: Thu, 2 Apr 2020 20:34:59 +0200 [thread overview] Message-ID: <c3c8ece14c0fbc987dc201c9b61dd22d98f83056.1585852001.git.alexander.riesen@cetitec.com> (raw) In-Reply-To: <cover.1585852001.git.alexander.riesen@cetitec.com> To avoid setting it up even if the hardware is not actually connected to anything physically. Besides, the bindings explicitly notes that port definitions are "optional if they are not connected to anything at the hardware level". Signed-off-by: Alexander Riesen <alexander.riesen@cetitec.com> --- drivers/media/i2c/adv748x/adv748x-dai.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/media/i2c/adv748x/adv748x-dai.c b/drivers/media/i2c/adv748x/adv748x-dai.c index 185f78023e91..f9cc47fa9ad1 100644 --- a/drivers/media/i2c/adv748x/adv748x-dai.c +++ b/drivers/media/i2c/adv748x/adv748x-dai.c @@ -216,6 +216,11 @@ int adv748x_dai_init(struct adv748x_dai *dai) int ret; struct adv748x_state *state = adv748x_dai_to_state(dai); + if (!state->endpoints[ADV748X_PORT_I2S]) { + adv_info(state, "no I2S port, DAI disabled\n"); + ret = 0; + goto fail; + } dai->mclk_name = kasprintf(GFP_KERNEL, "%s.%s-i2s-mclk", state->dev->driver->name, dev_name(state->dev)); -- 2.25.1.25.g9ecbe7eb18 _______________________________________________ devel mailing list devel@linuxdriverproject.org http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
next prev parent reply other threads:[~2020-04-02 18:59 UTC|newest] Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-04-02 18:33 [PATCH v5 0/9] media: adv748x: add support for HDMI audio Alex Riesen 2020-04-02 18:33 ` Alex Riesen 2020-04-02 18:34 ` [PATCH v5 1/9] media: adv748x: fix end-of-line terminators in diagnostic statements Alex Riesen 2020-04-02 18:34 ` Alex Riesen 2020-04-03 10:43 ` Kieran Bingham 2020-04-03 10:43 ` Kieran Bingham 2020-04-03 11:01 ` Alex Riesen 2020-04-03 11:01 ` Alex Riesen 2020-04-02 18:34 ` [PATCH v5 2/9] media: adv748x: include everything adv748x.h needs into the file Alex Riesen 2020-04-02 18:34 ` Alex Riesen 2020-04-03 10:48 ` Kieran Bingham 2020-04-03 10:48 ` Kieran Bingham 2020-04-03 11:02 ` Alex Riesen 2020-04-03 11:02 ` Alex Riesen 2020-04-02 18:34 ` [PATCH v5 3/9] media: adv748x: reduce amount of code for bitwise modifications of device registers Alex Riesen 2020-04-02 18:34 ` Alex Riesen 2020-04-03 19:09 ` Kieran Bingham 2020-04-03 19:09 ` Kieran Bingham 2020-04-02 18:34 ` [PATCH v5 4/9] media: adv748x: add definitions for audio output related registers Alex Riesen 2020-04-02 18:34 ` Alex Riesen 2020-04-07 16:21 ` Kieran Bingham 2020-04-07 16:21 ` Kieran Bingham 2020-04-07 17:13 ` Alex Riesen 2020-04-07 17:13 ` Alex Riesen 2020-04-07 18:44 ` Kieran Bingham 2020-04-07 18:44 ` Kieran Bingham 2020-04-07 18:55 ` Alex Riesen 2020-04-07 18:55 ` Alex Riesen 2020-04-02 18:34 ` [PATCH v5 5/9] media: adv748x: add support for HDMI audio Alex Riesen 2020-04-02 18:34 ` Alex Riesen 2020-04-02 18:34 ` [PATCH v5 6/9] media: adv748x: prepare/enable mclk when the audio is used Alex Riesen 2020-04-02 18:34 ` Alex Riesen 2020-06-18 16:23 ` Kieran Bingham 2020-06-18 16:23 ` Kieran Bingham 2020-06-19 8:51 ` Alex Riesen 2020-06-19 8:51 ` Alex Riesen 2020-04-02 18:34 ` Alex Riesen [this message] 2020-04-02 18:34 ` [PATCH v5 7/9] media: adv748x: only activate DAI if it is described in device tree Alex Riesen 2020-06-18 16:17 ` Kieran Bingham 2020-06-18 16:17 ` Kieran Bingham 2020-06-19 9:10 ` Alex Riesen 2020-06-19 9:10 ` Alex Riesen 2020-04-02 18:35 ` [PATCH v5 8/9] dt-bindings: adv748x: add information about serial audio interface (I2S/TDM) Alex Riesen 2020-04-02 18:35 ` Alex Riesen 2020-06-18 16:27 ` Kieran Bingham 2020-06-18 16:27 ` Kieran Bingham 2020-04-02 18:35 ` [PATCH v5 9/9] arm64: dts: renesas: salvator: add a connection from adv748x codec (HDMI input) to the R-Car SoC Alex Riesen 2020-04-02 18:35 ` Alex Riesen 2020-06-18 16:32 ` Kieran Bingham 2020-06-18 16:32 ` Kieran Bingham 2020-06-19 9:34 ` Alex Riesen 2020-06-19 9:34 ` Alex Riesen 2020-08-25 14:57 ` Kieran Bingham 2020-08-25 14:57 ` Kieran Bingham 2020-09-14 8:17 ` Alex Riesen 2020-09-14 8:17 ` Alex Riesen
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